1. CPC Sections
  2. CPC Section C
  3. CPC Class C01
  4. CPC Subclass C01P
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CPC
COOPERATIVE PATENT CLASSIFICATION
​
C01P
INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS [2013-01]
NOTES

  • This subclass constitutes an internal scheme for indexing only.
  • The indexing scheme is used to identify structural and physical aspects of solid inorganic compounds, already classified in class C01 or subclass C09C.
C01P 2002/00
Crystal-structural characteristics [2013-01]
C01P 2002/01
.
depicted by a TEM-image [2013-01]
C01P 2002/02
.
Amorphous compounds [2013-01]
C01P 2002/04
.
Compounds with a limited amount of crystallinty, e.g. as indicated by a crystallinity index [2013-01]
C01P 2002/08
.
Intercalated structures, i.e. with atoms or molecules intercalated in their structure [2013-01]
C01P 2002/10
.
One-dimensional structures [2013-01]
C01P 2002/20
.
Two-dimensional structures [2013-01]
C01P 2002/22
. .
layered hydroxide-type, e.g. of the hydrotalcite-type [2013-01]
C01P 2002/30
.
Three-dimensional structures [2013-01]
C01P 2002/32
. .
spinel-type (AB2O4) [2013-01]
C01P 2002/34
. .
perovskite-type (ABO3) [2013-01]
C01P 2002/36
. .
pyrochlore-type (A2B2O7) [2013-01]
C01P 2002/50
.
Solid solutions [2013-01]
C01P 2002/52
. .
containing elements as dopants [2013-01]
C01P 2002/54
. . .
one element only [2013-01]
C01P 2002/60
.
Compounds characterised by their crystallite size [2013-01]
C01P 2002/70
.
defined by measured X-ray, neutron or electron diffraction data [2013-01]
C01P 2002/72
. .
by d-values or two theta-values, e.g. as X-ray diagram [2013-01]
C01P 2002/74
. .
by peak-intensities or a ratio thereof only [2013-01]
C01P 2002/76
. .
by a space-group or by other symmetry indications [2013-01]
C01P 2002/77
. .
by unit-cell parameters, atom positions or structure diagrams [2013-01]
C01P 2002/78
. .
by stacking-plane distances or stacking sequences [2013-01]
C01P 2002/80
.
defined by measured data other than those specified in group C01P 2002/70 [2013-01]
C01P 2002/82
. .
by IR- or Raman-data [2013-01]
C01P 2002/84
. .
by UV- or VIS- data [2013-01]
C01P 2002/85
. .
by XPS, EDX or EDAX data [2013-01]
C01P 2002/86
. .
by NMR- or ESR-data [2013-01]
C01P 2002/87
. .
by chromatography data, e.g. HPLC, gas chromatography [2013-01]
C01P 2002/88
. .
by thermal analysis data, e.g. TGA, DTA, DSC [2013-01]
C01P 2002/89
. .
by mass-spectroscopy [2013-01]
C01P 2002/90
.
Other crystal-structural characteristics not specified above [2013-01]
C01P 2004/00
Particle morphology [2013-01]
C01P 2004/01
.
depicted by an image [2013-01]
C01P 2004/02
. .
obtained by optical microscopy [2013-01]
C01P 2004/03
. .
obtained by SEM [2013-01]
C01P 2004/04
. .
obtained by TEM, STEM, STM or AFM [2013-01]
C01P 2004/10
.
extending in one dimension, e.g. needle-like [2013-01]
C01P 2004/11
. .
with a prismatic shape [2013-01]
C01P 2004/12
. .
with a cylindrical shape [2013-01]
C01P 2004/13
. .
Nanotubes [2013-01]
C01P 2004/133
. . .
Multiwall nanotubes [2013-01]
C01P 2004/136
. . .
Nanoscrolls, i.e. tubes having a spiral section [2013-01]
C01P 2004/16
. .
Nanowires or nanorods, i.e. solid nanofibres with two nearly equal dimensions between 1-100 nanometer [2017-08]
C01P 2004/17
. .
Nanostrips, nanoribbons or nanobelts, i.e. solid nanofibres with two significantly differing dimensions between 1-100 nanometer [2017-08]
C01P 2004/20
.
extending in two dimensions, e.g. plate-like [2013-01]
C01P 2004/22
. .
with a polygonal circumferential shape [2013-01]
C01P 2004/24
. .
Nanoplates, i.e. plate-like particles with a thickness from 1-100 nanometer [2013-01]
C01P 2004/30
.
extending in three dimensions [2013-01]
C01P 2004/32
. .
Spheres [2013-01]
C01P 2004/34
. . .
hollow [2013-01]
C01P 2004/36
. . .
fragmented [2013-01]
C01P 2004/38
. .
cube-like [2013-01]
C01P 2004/39
. .
parallelepiped-like [2013-01]
C01P 2004/40
. .
prism-like [2013-01]
C01P 2004/41
. .
octahedron-like [2013-01]
C01P 2004/42
. .
(bi)pyramid-like [2013-01]
C01P 2004/45
. .
Aggregated particles or particles with an intergrown morphology [2013-01]
C01P 2004/50
.
Agglomerated particles [2013-01]
C01P 2004/51
.
Particles with a specific particle size distribution [2013-01]
C01P 2004/52
. .
highly monodisperse size distribution [2013-01]
C01P 2004/53
. .
bimodal size distribution [2013-01]
C01P 2004/54
.
Particles characterised by their aspect ratio, i.e. the ratio of sizes in the longest to the shortest dimension [2013-01]
C01P 2004/60
.
Particles characterised by their size [2013-01]
C01P 2004/61
. .
Micrometer sized, i.e. from 1-100 micrometer [2013-01]
C01P 2004/62
. .
Submicrometer sized, i.e. from 0.1-1 micrometer [2013-01]
C01P 2004/64
. .
Nanometer sized, i.e. from 1-100 nanometer [2013-01]
C01P 2004/80
.
Particles consisting of a mixture of two or more inorganic phases [2013-01]
C01P 2004/82
. .
two phases having the same anion, e.g. both oxidic phases [2013-01]
C01P 2004/84
. . .
one phase coated with the other [2013-01]
C01P 2004/86
. . . .
Thin layer coatings, i.e. the coating thickness being less than 0.1 time the particle radius [2013-01]
C01P 2004/88
. . . .
Thick layer coatings [2013-01]
C01P 2004/90
.
Other morphology not specified above [2013-01]
​
C01P 2006/00
Physical properties of inorganic compounds [2013-01]
NOTES

  • Compounds having molecular sieve properties are classified in C01B 37/00, C01B 39/00.
  • The following codes are only to be used for physical values deviating significantly from the average usual values.
C01P 2006/10
.
Solid density [2013-01]
C01P 2006/11
.
Powder tap density [2013-01]
C01P 2006/12
.
Surface area [2013-01]
C01P 2006/13
. .
thermal stability thereof at high temperatures [2013-01]
C01P 2006/14
.
Pore volume [2013-01]
C01P 2006/16
.
Pore diameter [2013-01]
C01P 2006/17
. .
Pore diameter distribution [2013-01]
C01P 2006/19
.
Oil-absorption capacity, e.g. DBP values [2013-01]
C01P 2006/20
.
Powder free flowing behaviour [2013-01]
C01P 2006/21
.
Attrition-index or crushing strength of granulates [2013-01]
C01P 2006/22
.
Rheological behaviour as dispersion, e.g. viscosity, sedimentation stability [2013-01]
C01P 2006/32
.
Thermal properties [2013-01]
C01P 2006/33
. .
Phase transition temperatures [2013-01]
C01P 2006/34
. . .
Melting temperatures [2013-01]
C01P 2006/35
. . .
Boiling temperatures [2013-01]
C01P 2006/36
. . .
Solid to solid transition temperatures [2013-01]
C01P 2006/37
. .
Stability against thermal decomposition [2013-01]
C01P 2006/40
.
Electric properties [2013-01]
C01P 2006/42
.
Magnetic properties [2013-01]
C01P 2006/44
.
Alpha, beta or gamma radiation related properties [2013-01]
C01P 2006/60
.
Optical properties, e.g. expressed in CIELAB-values [2013-01]
C01P 2006/62
. .
L* (lightness axis) [2013-01]
C01P 2006/63
. .
a* (red-green axis) [2013-01]
C01P 2006/64
. .
b* (yellow-blue axis) [2013-01]
C01P 2006/65
. .
Chroma (C*) [2013-01]
C01P 2006/66
. .
Hue (H*) [2013-01]
C01P 2006/80
.
Compositional purity [2013-01]
C01P 2006/82
. .
water content [2013-01]
C01P 2006/88
.
Isotope composition differing from the natural occurrence [2017-02]
C01P 2006/90
.
Other properties not specified above [2013-01]