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PCR

Overview
  • Total Patents
    80
About

PCR has a total of 80 patent applications. Its first patent ever was published in 1968. It filed its patents most often in United States, Japan and Canada. Its main competitors in its focus markets organic fine chemistry, pharmaceuticals and materials and metallurgy are YAN XUEWEN, RUETGERS CHEMICALS AG and FEDERALNOE GOSUDARSTVENNOE UNITARNOE PREDPRIYATIE INSTITUT KHIM REAKTIVOV I OSOBO CHISTYKH KHIM VESH.

Patent filings per year

Chart showing PCRs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Schuman Paul D 14
#2 Legrow Gary E 10
#3 Wilson Michael E 7
#4 Westmoreland Geraldine 7
#5 Alty Adam Charles 6
#6 Sellers Simon F 5
#7 Anderson Roy 5
#8 Latham Iii William I 4
#9 Tarrant Paul 4
#10 De Pasquale Ralph J 4

Latest patents

Publication Filing date Title
US5914420A Perfluorinated organo substituted cyylosiloxanes and copolymers prepared from these cyclosiloxahes
US5892086A Perfluorinated ether organo substituted cyclosiloxanes and copolymers prepared from these cyclosiloxanes
US5892084A Aminoorganofunctionalsiloxanes
US5847179A High purity alkoxytrimethylsilane fluids
US5932231A High purity branched alkylsilsesquioxane fluids
US5679822A High purity branched phenylsiloxane fluids
US5466850A Process for the preparation of fluorosilanes
JPH02261900A Solvent composition for cleaning semiconductor wafer or the like and cleaning method
US4889747A Hydrophobic expanded perlite compositions and process for preparing the same
US4877654A Buffered silane emulsions for rendering porous substrates water repellent
US4828751A Solvent composition for cleaning silicon wafers
US4814407A Composition for waterproofing silica-ceramic insulation bodies
US4769495A Perfluoro-keto-ylids as precursors of polychloroketones, 1,2-diketones and quinoxalines
US4738892A Silica filler for epoxy encapsulants and epoxy encapsulants containing same
US4898936A 2-deoxyuridines and riboside precursors
CH647512A5 2,4,5-Trifluoropyrimidine, process for its preparation, and its use for preparing 5-fluorouracil
US4408048A Process for making 5-fluorouracil
JPS56140920A Antitumor
DE3007777A1 5-Tri:fluoromethyl-2'-desoxy-cytidine antitumour agents - releases tri:fluoro:thymidine slowly in situ and effective against tumours with high cytidine deaminase content
US4299961A 2,4,5 Trifluoro pyrimidine and process for preparing