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WITCO CORP

Overview
  • Total Patents
    547
About

WITCO CORP has a total of 547 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 macromolecular chemistry and polymers, basic materials chemistry and organic fine chemistry are WITCO CHEMICAL CORP, ATLAS CHEM IND and ROEHM & HAAS CO.

Patent filings per year

Chart showing WITCO CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Frenkel Peter 31
#2 Muir Ronald J 27
#3 Fisch Michael H 22
#4 Keys Robert O 21
#5 Chang Wally L 20
#6 Abma Charles 17
#7 Rasheed Khalid 16
#8 Friedli Floyd 14
#9 Eckard Alan D 14
#10 Reyes-Gavilan Jose L 14

Latest patents

Publication Filing date Title
US6211345B1 Synthesis of cyclic sulfur silanes
WO0075426A1 Paper softner/debonders compositions
US6054625A Heteropolyacids as catalysts for a synthesis of ketone peroxides
CA2272816A1 Hydrophilic siloxane latex emulsions
CA2270315A1 Dialkylquat and triakylquat benzoate and salicylate salts
BR9901304A Tertiary bis-silyl-amines
US6521683B1 Antistatic agents and resin compositions incorporated therein
ZA9900372B Novel quaternary ammonium compounds, compositions containing them, and uses thereof.
WO9935120A1 Novel quaternary ammonium compounds, compositions containing them, and uses thereof
US6660781B1 Process for preparing polyurethane foam
US6001907A Latex sealants containing epoxysilanes
SG66501A1 Silicone terpolymers with high refractive indices
US5998540A Polyurethane dispersions useful for preparing thin wall articles
WO0021918A1 Polyester polyquaternary compounds, compositions containing them, and uses thereof
WO9910400A1 Polyurethane polymers having excellent hydrolytic stability and solvent resistance
US6107259A Oil soluble calcite overbased detergents and engine oils containing same
US5939574A Aminosiloxanes with 4-amino-3,3-dialkylbutyl groups
US6103847A Siloxane-polyether copolymers with unsaturated functionalities, and process for making them
US6039800A Production of foamed compositions containing gypsum
CA2236488A1 Quaternary ammonium-based compositions from canola and process for making them