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POLYPURE INC

Overview
  • Total Patents
    12
About

POLYPURE INC has a total of 12 patent applications. Its first patent ever was published in 1985. It filed its patents most often in United States, Canada and EPO (European Patent Office). Its main competitors in its focus markets macromolecular chemistry and polymers, environmental technology and organic fine chemistry are SINOPEC SICHUAN VINYLON FACTORY, ANHUI WANWEI UPDATED HIGH-TECH MAT CO LTD and EYANG CHEMICAL CO LTD.

Patent filings in countries

World map showing POLYPURE INCs patent filings in countries
# Country Total Patents
#1 United States 7
#2 Canada 4
#3 EPO (European Patent Office) 1

Patent filings per year

Chart showing POLYPURE INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Highsmith Ronald E 6
#2 Larson Eric H 4
#3 Good Jr Frederick J 3
#4 Chiang William G 3
#5 Jobbins Richard M 2
#6 Jobbins Richard Mcintyre 1
#7 Petrie Glenn E 1
#8 Popule Michael P 1
#9 Good Frederick J Jr 1
#10 Carioti John V 1

Latest patents

Publication Filing date Title
US5019275A Method of flocculation with cationic terpolymer flocculants
CA2022181A1 Terpolymer flocculants
US5008319A Homogeneous mixtures of solid organic acids and solid cationic ester-based polymer flocculants
US5008444A Process for the production of substituted acryloyloxyhydroxypropyltrialkylammonium chloride
EP0371823A1 Crystalline 3-methacryloyloxy-2-hydroxypropyl-trimethylammonium chloride monomer
US4981936A Terpolymer of oxyalkyene acrylates, acrylamides and quaternary monomers
US4988442A Process for dewatering of biological sludge
US4888396A Novel cationic acrylamide polymers and processes for their preparation