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.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 7 | |
#2 | Canada | 4 | |
#3 | EPO (European Patent Office) | 1 |
# | Industry | |
---|---|---|
#1 | Macromolecular chemistry and polymers | |
#2 | Environmental technology | |
#3 | Organic fine chemistry | |
#4 | Machines | |
#5 | Basic materials chemistry |
# | 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 |
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 |