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GREGOR HARRY P

Overview
  • Total Patents
    24
About

GREGOR HARRY P has a total of 24 patent applications. Its first patent ever was published in 1965. It filed its patents most often in United States, Canada and Germany. Its main competitors in its focus markets chemical engineering, biotechnology and machines are SULFATREAT COMPANY, NATRIX SEPARATIONS INC and MERCK MILLIPORE LTD.

Patent filings in countries

World map showing GREGOR HARRY Ps patent filings in countries

Patent filings per year

Chart showing GREGOR HARRY Ps patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Gregor Harry P 15
#2 Dalven Paul I 5
#3 Samuelsen Edgar 4
#4 Gregor Charles D 4
#5 Gregor Harry P Dr 3
#6 Harii Pii Guregaa 3
#7 Hodgins Leonard T 3
#8 Samuelson Edgar 2
#9 Burshteyn Alexander 2
#10 Kassotis John 2

Latest patents

Publication Filing date Title
US5280078A Homopolymers and copolymers of acrylamide N-substituted acrylamide or N-substituted methacrylamide solid state cross-linked with polyamines or polyols
US5059659A Surface treatments to impart hydrophilicity
CA1303785C Post-cross-linked polymeric gels
EP0240586A1 Post-cross-linked polymeric gels
US4596858A Solid state cross-linked polymer
US4705753A Biologically active acrylonitrile-based copolymeric membrane
US4033817A Pressure-driven enzyme-coupled membranes
US4033822A Enzyme-coupled ultrafiltration membranes
US4163714A Separating substances with pressure-driven affinity sorption membranes
US4012324A Crosslinked, interpolymer fixed-charge membranes
US3483036A Fuel cell with ion exchange electrolyte
US3434979A Oleophilic-hydrophilic ion exchange resins