Disclaimers

   4,668,747 -- Jeffrey S. Cadel, Camillus; Eric H. Larson, Marcellus,
both of N.Y. PREPARATION OF WATER SOLUBLE CATIONIC ACRYLAMIDE POLYMER
AND PRODUCT USING WEAK ACID TO ADJUST PH. Patent dated May 26, 1987.
Disclaimer filed March 10, 1997, by the assignee, S.N.F.

   Hereby enters this disclaimer to all claims of said patent.

   4,808,668 -- John V. Carioti, Baldwinsville; Richard M. Jobbins,
Marcellus, both of N.Y. CARBOXYLATE POLYMERS AND PROCESSES FOR THEIR
PREPARATION AND USE. Patent dated Feb. 28, 1989. Disclaimer filed March
10, 1997, by the assignee, S.N.F.

   Hereby enters this disclaimer to all claims of said patent.

   4,981,936 -- Frederick J. Good, Jr., Camillus; Ronald E. Highsmith,
Skaneateles, both of N.Y. TERPOLYMER OF OXYALKYENE ACRYLATES,
ACRYLAMIDES AND QUATERNARY MONOMERS. Patent dated Jan. 1, 1991.
Disclaimer filed March 10, 1997, by the assignee, S.N.F.

   Hereby enters this disclaimer to all claims of said patent.

   4,988,442 -- Ronald E. Highsmith, Skaneateles; Frederick J. Good, Jr.,
Camillus, both of N.Y.; Francis S. Lupton, Evanston, Ill.; Kenneth P.
Kehrer, Lancaster, Pa.; Glenn E. Petrie, Bartlett, Ill. PROCESS FOR
DEWATERING OF BIOLOGICAL SLUDGE. Patent dated Jan. 29, 1991. Disclaimer
filed March 10, 1997, by the assignee, S.N.F.

   Hereby enters this disclaimer to all claims of said patent.

   5,008,319 -- Ronald E. Highsmith, Skaneateles; Eric H. Larson,
Marcellus, both of N.Y. HOMOGENEOUS MIXTURES OF SOLID ORGANIC AND SOLID
CATIONIC ESTER-BASED POLYMER FLOCCULANTS. Patent dated April 16, 1991.
Disclaimer filed March 10, 1997, by the assignee, S.N.F.

   Hereby enters this disclaimer to all claims of said patent.

   5,008,444 -- William G. Chiang, Fayetteville; Richard M. Jobbins,
Marcellus; Michael P. Popule, Syracuse, all of N.Y. PROCESS FOR THE
PRODUCTION OF SUBSTITUTED ACRYLOYLOXYHYDROXYPROPYLTRIALKYLAMMONIUM
CHLORIDE. Patent dated April 16, 1991. Disclaimer filed March 10, 1997,
by the assignee, S.N.F.

   Hereby enters this disclaimer to all claims of said patent.

   5,019,275 -- Frederick J. Good, Jr., Camillus; Ronald E. Highsmith,
Skaneateles, both of N.Y. METHOD OF FLOCCULATION WITH CATIONIC
TERPOLYMER FLOCCULANTS. Patent dated May 28, 1991. Disclaimer filed
March 10, 1997, by the assignee, S.N.F.

   Hereby enters this disclaimer to all claims of said patent.

   5,132,383 -- Eric H. Larson, Marcellus; Benjamin Shultes, III,
Liverpool; William G. Chiang, Fayetteville, all of N.Y. COPOLYMERS OF
3-METHACRYLOYLOXY-2-HYDROXYPROPYL TRIMETHYLAMMONIUM CHLORIDE MONOMER AND
VINYL MONOMER. Patent dated July 21, 1992. Disclaimer filed March 10,
1997, by the assignee, S.N.F.

   Hereby enters this disclaimer to all claims of said patent.

   5,193,417 -- Tsunefumi Niiyama, Noboru Sekine, both of Saitama;
Takamichi Shimada, Tokyo; Hiroyuki Shimada, Saitama; Kaoru Kajikawa,
Tokyo, all of Japan. TRANSMISSION WITH ONE-WAY CLUTCHES AND FAILSAFE
METHOD OF AND APPARATUS FOR CONTROLLING THE TRANSMISSION. Patent dated
March 16, 1993. Disclaimer filed July 30, 1996, by the assignee, Honda
Giken Kogyo Kabushiki Kaisha.

   Hereby enters this disclaimer to claims 12 and 13 of said patent.