Assignee
POLYPURE INC
US·7 granted patents·125 citations·filing 1988–1990
Top patents by PatentIndex Score
7 records- 0190US4981936ATerpolymer of oxyalkyene acrylates, acrylamides and quaternary monomersPOLYPURE INC·Filed 1989·Granted Jan 1, 1991·62 cites·9 claims
- 0278US4988442AProcess for dewatering of biological sludgePOLYPURE INC·Filed 1988·Granted Jan 29, 1991·28 cites·15 claims
- 0357US5019275AMethod of flocculation with cationic terpolymer flocculantsPOLYPURE INC·Filed 1990·Granted May 28, 1991·12 cites·10 claims
- 0457US5008319AHomogeneous mixtures of solid organic acids and solid cationic ester-based polymer flocculantsPOLYPURE INC·Filed 1990·Granted Apr 16, 1991·10 cites·8 claims
- 0556US5132383ACopolymers of 3-methacryloyloxy-2-hydroxypropyl trimethylammonium chloride monomer and vinyl monomerPOLYPURE INC·Filed 1989·Granted Jul 21, 1992·11 cites·22 claims
- 0627US5008444AProcess for the production of substituted acryloyloxyhydroxypropyltrialkylammonium chloridePOLYPURE INC·Filed 1989·Granted Apr 16, 1991·0 cites·29 claims
- 0725US4888396ANovel cationic acrylamide polymers and processes for their preparationPOLYPURE INC·Filed 1988·Granted Dec 19, 1989·2 cites·28 claims
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