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SHEREX CHEM

Overview
  • Total Patents
    156
About

SHEREX CHEM has a total of 156 patent applications. Its first patent ever was published in 1972. It filed its patents most often in United States, Canada and EPO (European Patent Office). Its main competitors in its focus markets organic fine chemistry, basic materials chemistry and chemical engineering are CHEM Y, CARGO FLEET CHEMICAL CO and KAO CORP SA.

Patent filings per year

Chart showing SHEREX CHEMs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Keys Robert O 15
#2 Earl Gary W 15
#3 Egan Richard R 14
#4 Fuller James G 13
#5 Whittlinger David E 12
#6 Portwood Owen 10
#7 Cotton Joe W 9
#8 Gefvert David L 7
#9 Wozniak Don Steven 7
#10 Wozniak Don S 6

Latest patents

Publication Filing date Title
US5734069A Biodegradable amidoaminoesters
US5256187A Separation of precious metals by an ion exchange process
US5284633A Solvent extraction of precious metals with hydroxyquinoline and stripping with acidified thiourea
GB9222697D0 Fabric softener
US5223628A Process for making high solids fabric softeners using low amounts of solvents and no side reactions
US5221794A Process and composition for multicomponent one hundred percent solid fabric softeners
US5182033A Polyamide salts
US5128053A Composition and process for treating fabrics in clothes dryers
US5128473A Nitrogen-heterocyclic compounds and quaternary salts thereof
CA2035238A1 Process for making high solids fabric softeners using low amounts of solvents and eliminating side reactions
CA2035193A1 Process and composition for multicomponent 100% solid fabric softeners
US5019610A Process for the production of polymer-modified asphalts and asphalts emulsions
US5200097A Process for making a particulate water dispersible free flowing fabric softener composition
US5071899A Anti-stat for polyvinyl chloride polymers
US4967008A Polyamines and their preparation
CA2007328A1 Adhesion and paintability improvements in pvc plastisols at low bake temperatures
US5015412A Alkaline tolerant sulfobetaine amphoteric surfactants
US4982000A Process for preparing quaternary ammonium compounds
US4990264A Ore dewatering process and compositions therefor
US4906681A Anti-stat for polyvinyl chloride polymers