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Class   523SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES
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This Class 523 is considered to be an integral part of Class 520 (see the Class 520 schedule for the position of this Class in schedule hierarchy). This Class retains all pertinent definitions and class lines of Class 520
     SYNTHETIC RESINS (CLASS 520, SUBCLASS 1)
[List of Pre Grant Publications for class 523 subclass 1][List of Patents for class 523 subclass 1]1 Subclass 1 indent level is 1 PROCESSES OF PREPARING A DESIRED OR INTENTIONAL COMPOSITION OF AT LEAST ONE NONREACTANT MATERIAL AND AT LEAST ONE SOLID POLYMER OR SPECIFIED INTERMEDIATE CONDENSATION PRODUCT, OR PRODUCT THEREOF
[List of Pre Grant Publications for class 523 subclass 100][List of Patents for class 523 subclass 100]100 Subclass 100 indent level is 2 Food or tobacco contact composition or process of preparing
 [List of Pre Grant Publications for class 523 subclass 102][List of Patents for class 523 subclass 102]102 Subclass 102 indent level is 2 Odor masked, odor reduced or perfumed composition or process of preparing
 [List of Pre Grant Publications for class 523 subclass 103][List of Patents for class 523 subclass 103]103 Subclass 103 indent level is 2 Composition having reduced health risks upon exposure thereto during incidental handling or body contact or process of preparing; other than fricton elements
[List of Pre Grant Publications for class 523 subclass 105][List of Patents for class 523 subclass 105]105 Subclass 105 indent level is 2 Nonmedicated composition specifically intended for contact with living animal tissue or process of preparing; other than apparel
 [List of Pre Grant Publications for class 523 subclass 122][List of Patents for class 523 subclass 122]122 Subclass 122 indent level is 2 Composition having ingredient providing biocidal or biostatic protection thereto or process of preparing
 [List of Pre Grant Publications for class 523 subclass 123][List of Patents for class 523 subclass 123]123 Subclass 123 indent level is 2 Plant receptacle composition or process of preparing
[List of Pre Grant Publications for class 523 subclass 124][List of Patents for class 523 subclass 124]124 Subclass 124 indent level is 2 Composition containing an additive which enhances degradation by environmental stimuli or process of preparing
 [List of Pre Grant Publications for class 523 subclass 129][List of Patents for class 523 subclass 129]129 Subclass 129 indent level is 2 Composition containing nonresinous organic material derived from municipal solid waste disposal system or process of preparing
[List of Pre Grant Publications for class 523 subclass 130][List of Patents for class 523 subclass 130]130 Subclass 130 indent level is 2 Composition for plugging pores in wells or other subterranean formations; consolidating formations in wells or cementing a well or process of preparing
 [List of Pre Grant Publications for class 523 subclass 132][List of Patents for class 523 subclass 132]132 Subclass 132 indent level is 2 Composition for in situ soil conditioning or treating or process of preparing
 [List of Pre Grant Publications for class 523 subclass 134][List of Patents for class 523 subclass 134]134 Subclass 134 indent level is 2 Battery container or battery container cover composition or process of preparing
 [List of Pre Grant Publications for class 523 subclass 135][List of Patents for class 523 subclass 135]135 Subclass 135 indent level is 2 Solar energy absorption or solar reflection composition or process of preparing
 [List of Pre Grant Publications for class 523 subclass 136][List of Patents for class 523 subclass 136]136 Subclass 136 indent level is 2 Composition sensitive to or resistant to radioactive material or cathode rays (e.g., electron bombardment, etc.) or process of preparing
 [List of Pre Grant Publications for class 523 subclass 137][List of Patents for class 523 subclass 137]137 Subclass 137 indent level is 2 Electromagnetic wave absorbing composition or process of preparing (excludes visible, IR or UV portions of spectrum)
 [List of Pre Grant Publications for class 523 subclass 138][List of Patents for class 523 subclass 138]138 Subclass 138 indent level is 2 Composition for contact with hot propulsion or exhaust gas or process of preparing
[List of Pre Grant Publications for class 523 subclass 139][List of Patents for class 523 subclass 139]139 Subclass 139 indent level is 2 Composition related to metal foundry molding or metallurgical furnace or process of preparing
[List of Pre Grant Publications for class 523 subclass 149][List of Patents for class 523 subclass 149]149 Subclass 149 indent level is 2 Friction element composition or process of preparing
 [List of Pre Grant Publications for class 523 subclass 160][List of Patents for class 523 subclass 160]160 Subclass 160 indent level is 2 Printing ink composition for glass or ceramic substrate or process of preparing
 [List of Pre Grant Publications for class 523 subclass 161][List of Patents for class 523 subclass 161]161 Subclass 161 indent level is 2 Invisible, ballpoint, or typewriter ink compositions or process of preparing; or composition for correction ribbons or correction fluids or process of preparing
 [List of Pre Grant Publications for class 523 subclass 164][List of Patents for class 523 subclass 164]164 Subclass 164 indent level is 2 Lead pencil or marking crayon composition or process of preparing
 [List of Pre Grant Publications for class 523 subclass 166][List of Patents for class 523 subclass 166]166 Subclass 166 indent level is 2 Composition for puncture proof tire liner or in emergency tire repair (e.g., tire inflation, etc.) or process of preparing
 [List of Pre Grant Publications for class 523 subclass 167][List of Patents for class 523 subclass 167]167 Subclass 167 indent level is 2 Composition utilized in the manufacturing or repairing of shoes (excluding shoe heels or soles or polish) or process of preparing
 [List of Pre Grant Publications for class 523 subclass 168][List of Patents for class 523 subclass 168]168 Subclass 168 indent level is 2 Optical glass cementing or slide mounting composition or process of preparing
 [List of Pre Grant Publications for class 523 subclass 169][List of Patents for class 523 subclass 169]169 Subclass 169 indent level is 2 Antifogging or water repellent composition for optical or windshield application or process of preparing
 [List of Pre Grant Publications for class 523 subclass 170][List of Patents for class 523 subclass 170]170 Subclass 170 indent level is 2 Glass enamel composition or process of preparing
 [List of Pre Grant Publications for class 523 subclass 171][List of Patents for class 523 subclass 171]171 Subclass 171 indent level is 2 Composition having opalescent, pearlescent, or variegated color or process of preparing
 [List of Pre Grant Publications for class 523 subclass 172][List of Patents for class 523 subclass 172]172 Subclass 172 indent level is 2 Pavement or sign marking or reflex reflecting composition or process of preparing
 [List of Pre Grant Publications for class 523 subclass 173][List of Patents for class 523 subclass 173]173 Subclass 173 indent level is 2 Cable filling or flooding composition or process of preparing
 [List of Pre Grant Publications for class 523 subclass 174][List of Patents for class 523 subclass 174]174 Subclass 174 indent level is 2 Phonograph record molding composition or process of preparing
 [List of Pre Grant Publications for class 523 subclass 175][List of Patents for class 523 subclass 175]175 Subclass 175 indent level is 2 Liquid-solid drag reduction composition or process of preparing
 [List of Pre Grant Publications for class 523 subclass 176][List of Patents for class 523 subclass 176]176 Subclass 176 indent level is 2 Anaerobic adhesive or thread sealing composition or process of preparing
 [List of Pre Grant Publications for class 523 subclass 177][List of Patents for class 523 subclass 177]177 Subclass 177 indent level is 2 Coating or adhesive composition for application to a wet or contaminated surface (e.g., underwater or oil-contaminated, etc.) or process of preparing
 [List of Pre Grant Publications for class 523 subclass 179][List of Patents for class 523 subclass 179]179 Subclass 179 indent level is 2 Intumescent coating or ablative composition or process of preparing
 [List of Pre Grant Publications for class 523 subclass 180][List of Patents for class 523 subclass 180]180 Subclass 180 indent level is 2 Solid propellant binder composition or process of preparing
 [List of Pre Grant Publications for class 523 subclass 181][List of Patents for class 523 subclass 181]181 Subclass 181 indent level is 2 Composition devoid of magnetic materials and suitable for preparation of magnetic tape recording or process of preparing
[List of Pre Grant Publications for class 523 subclass 200][List of Patents for class 523 subclass 200]200 Subclass 200 indent level is 2 Process of forming a composition of a solid polymer or solid polymer forming system by admixing a product in the form of a surface coated, impregnated, encapsulated, or surface modified fiber, sheet, particle, or web, with a material; or composition which is the result of said admixing
[List of Pre Grant Publications for class 523 subclass 218][List of Patents for class 523 subclass 218]218 Subclass 218 indent level is 2 Process of forming a composition having a nonreactant material selected for its special void characteristic; or composition containing same, e.g., syntactic foam, etc.
[List of Pre Grant Publications for class 523 subclass 220][List of Patents for class 523 subclass 220]220 Subclass 220 indent level is 2 Process of forming a composition having two or more solid materials having defined physical dimensions or surface areas; or composition containing same
 [List of Pre Grant Publications for class 523 subclass 222][List of Patents for class 523 subclass 222]222 Subclass 222 indent level is 2 Process of forming a composition having a fiber which is twisted, coiled, or involves specific mechanically interengaged fibers other than fibers solely of glass; or composition containing same, e.g., textiles, cloth, fiber bundles, mats, etc.
 [List of Pre Grant Publications for class 523 subclass 223][List of Patents for class 523 subclass 223]223 Subclass 223 indent level is 2 Process of forming a composition of a spheroidal material having physical dimension or composition containing same
 [List of Pre Grant Publications for class 523 subclass 300][List of Patents for class 523 subclass 300]300 Subclass 300 indent level is 2 Utilizing direct application of magnetic, electrical, or wave energy
 [List of Pre Grant Publications for class 523 subclass 303][List of Patents for class 523 subclass 303]303 Subclass 303 indent level is 2 Controlling process in response to a stated measurement or test
 [List of Pre Grant Publications for class 523 subclass 305][List of Patents for class 523 subclass 305]305 Subclass 305 indent level is 2 Adding material to maintain a stated equilibrium condition wherein the added material does not merely displace an equal amount from the treatment zone
 [List of Pre Grant Publications for class 523 subclass 306][List of Patents for class 523 subclass 306]306 Subclass 306 indent level is 2 Utilizing energy potential described as obtained as waste or by-product from a prior or concurrent operation
[List of Pre Grant Publications for class 523 subclass 307][List of Patents for class 523 subclass 307]307 Subclass 307 indent level is 2 Utilizing a temperature greater than 250 degrees C (482 degrees F) or less than 0 degrees C
 [List of Pre Grant Publications for class 523 subclass 310][List of Patents for class 523 subclass 310]310 Subclass 310 indent level is 2 Utilizing an ion exchanger or a solid sorptive material or semipermeable membrane
 [List of Pre Grant Publications for class 523 subclass 312][List of Patents for class 523 subclass 312]312 Subclass 312 indent level is 2 Utilizing quiescent treatment condition
 [List of Pre Grant Publications for class 523 subclass 313][List of Patents for class 523 subclass 313]313 Subclass 313 indent level is 2 Utilizing mixing in a manner designed to avoid or minimize turbulence or shear, e.g., laminar flow, etc.
 [List of Pre Grant Publications for class 523 subclass 315][List of Patents for class 523 subclass 315]315 Subclass 315 indent level is 2 Utilizing streams or masses moving relative to each other at a described angle of coincidence other than mere pouring, e.g., counter-current mixing, etc.
 [List of Pre Grant Publications for class 523 subclass 318][List of Patents for class 523 subclass 318]318 Subclass 318 indent level is 2 Utilizing stream or mass moving in a described attitude of presentment relative to a zone, vessel, or another apparently stationary mass or stream, excluding mere "pouring into", e.g., from above, below, tangentially, etc.
[List of Pre Grant Publications for class 523 subclass 319][List of Patents for class 523 subclass 319]319 Subclass 319 indent level is 2 Utilizing treating or forming motion described by numerical data other than mere temperature, pressure, time, or amounts of material
 [List of Pre Grant Publications for class 523 subclass 324][List of Patents for class 523 subclass 324]324 Subclass 324 indent level is 2 Utilizing a treatment zone specifically described by shape (other than nominally helical) or at least a part of which zone is specifically described by dimension, material, proportion, or angle or orientation
[List of Pre Grant Publications for class 523 subclass 326][List of Patents for class 523 subclass 326]326