Assignee
WITCO CHEMICAL CORP
US·64 granted patents·1,315 citations·filing 1973–1987
Top patents by PatentIndex Score
64 records- 0190US4647387ASuccinic anhydride promoter overbased magnesium sulfonates and oils containing sameWITCO CHEMICAL CORP·Filed 1985·Granted Mar 3, 1987·39 cites·29 claims
- 0290US4335029AAqueous polyurethane compositionsWITCO CHEMICAL CORP·Filed 1980·Granted Jun 15, 1982·53 cites·18 claims
- 0389US4560489AHigh performance calcium borate modified overbased calcium sulfonate complex greasesWITCO CHEMICAL CORP·Filed 1983·Granted Dec 24, 1985·87 cites·20 claims
- 0489US4248975ARigid shrink stable polyurethane foam derived from an adduct of an alkylene oxide having at least three carbon atoms and a polyol having at least four hydroxy groups and blown with a fluorinated-chlorinated alkaneWITCO CHEMICAL CORP·Filed 1978·Granted Feb 3, 1981·54 cites·11 claims
- 0588US4110268APolyether polyols and polyurethane foams made therefromWITCO CHEMICAL CORP·Filed 1976·Granted Aug 29, 1978·64 cites·24 claims
- 0686US4052440AMethod for preparing mercapto propionic acid esters and polythio dipropionic acid estersWITCO CHEMICAL CORP·Filed 1975·Granted Oct 4, 1977·32 cites·20 claims
- 0783US4155995APetroleum based mosquito larvicideWITCO CHEMICAL CORP·Filed 1977·Granted May 22, 1979·30 cites·6 claims
- 0883US4033859AThermal treatment of used petroleum oilsWITCO CHEMICAL CORP·Filed 1975·Granted Jul 5, 1977·48 cites·5 claims
- 0982US4343854AFlame retardant compositionWITCO CHEMICAL CORP·Filed 1981·Granted Aug 10, 1982·40 cites·10 claims
- 1082US4104403AWater-oil emulsions and method of preparing sameWITCO CHEMICAL CORP·Filed 1976·Granted Aug 1, 1978·42 cites·12 claims
- 1179US4082691AOrgano silicon/silica defoamer compositionsWITCO CHEMICAL CORP·Filed 1976·Granted Apr 4, 1978·31 cites·11 claims
- 1278USD294802SOil containerWITCO CHEMICAL CORP·Filed 1985·Granted Mar 22, 1988·18 cites·1 claims
- 1378US4602079AUrethane elastomers prepared using a prepolymer prepared from a polyester which reacts with a chain-extending agent and/or a saturated polyester resin in which at least one of the polyesters is prepared from a dimer and/or trimer fatty acidWITCO CHEMICAL CORP·Filed 1985·Granted Jul 22, 1986·32 cites·20 claims
- 1478US4262847AUrethane foam gunWITCO CHEMICAL CORP·Filed 1979·Granted Apr 21, 1981·58 cites·11 claims
- 1576US4247538AConditioning shampooWITCO CHEMICAL CORP·Filed 1978·Granted Jan 27, 1981·31 cites·10 claims
- 1676US4067901AMethod for preparing mercapto propionic acid esters and polythio dipropionic acid estersWITCO CHEMICAL CORP·Filed 1977·Granted Jan 10, 1978·15 cites·25 claims
- 1775US4233408APolyurethane foams from polyester precursor derived from adipic acid process wasteWITCO CHEMICAL CORP·Filed 1979·Granted Nov 11, 1980·22 cites·9 claims
- 1874US4404295APolyester resins for polyurethane foamsWITCO CHEMICAL CORP·Filed 1982·Granted Sep 13, 1983·27 cites·5 claims
- 1974US4335025AProcess for the preparation of synthetic detergent bars, and products produced therebyWITCO CHEMICAL CORP·Filed 1981·Granted Jun 15, 1982·40 cites·13 claims
- 2074US4226805ASulfonation of oilsWITCO CHEMICAL CORP·Filed 1976·Granted Oct 7, 1980·19 cites·10 claims
- 2174US4105619ACable fillerWITCO CHEMICAL CORP·Filed 1977·Granted Aug 8, 1978·22 cites·9 claims
- 2273US4514312ALubricant compositions comprising a phosphate additive systemWITCO CHEMICAL CORP·Filed 1984·Granted Apr 30, 1985·25 cites·15 claims
- 2373US4054541ASpray dried alcohol ether sulfate detergent compositionsWITCO CHEMICAL CORP·Filed 1976·Granted Oct 18, 1977·30 cites·7 claims
- 2472US4239670AFlame retardant latexesWITCO CHEMICAL CORP·Filed 1978·Granted Dec 16, 1980·14 cites·10 claims
- 2572US4096056AMethod of producing an impregnating petroleum pitchWITCO CHEMICAL CORP·Filed 1976·Granted Jun 20, 1978·25 cites·6 claims
- 2672US3984360ALead-free sprayable polyurethane system and rigid cellular productsWITCO CHEMICAL CORP·Filed 1974·Granted Oct 5, 1976·22 cites·9 claims
- 2772US3931116ACurable amine-terminated polyurethane-urea-epoxide lacquersWITCO CHEMICAL CORP·Filed 1974·Granted Jan 6, 1976·27 cites·17 claims
- 2868US4447571AStabilization of polyurethanesWITCO CHEMICAL CORP·Filed 1981·Granted May 8, 1984·20 cites·4 claims
- 2967US4075117ABuilt detergent compositionsWITCO CHEMICAL CORP·Filed 1976·Granted Feb 21, 1978·29 cites·6 claims
- 3066US4420437APreparation of a 2-aralkyl-5,5-dialkyl-1,3,2-dioxaphosphorinan-2-one from 2-aralkoxy-5,5-dialkyl-1,3,2-dioxaphosphorinaneWITCO CHEMICAL CORP·Filed 1981·Granted Dec 13, 1983·7 cites·5 claims
- 3165US4499028APreparation of isethionic acidWITCO CHEMICAL CORP·Filed 1982·Granted Feb 12, 1985·8 cites·7 claims
- 3264US4417999AFree flowing antistatic compositionWITCO CHEMICAL CORP·Filed 1982·Granted Nov 29, 1983·15 cites·16 claims
- 3363US4764428AFree-flowing, non-dusting antistatic agent composition pellets and method of forming sameWITCO CHEMICAL CORP·Filed 1987·Granted Aug 16, 1988·28 cites·16 claims
- 3462US4139546AAnionic silicone defoamerWITCO CHEMICAL CORP·Filed 1977·Granted Feb 13, 1979·20 cites·6 claims
- 3560US4404258AColor stabilized water-dispersed polyurethane coating on vinyl surfacesWITCO CHEMICAL CORP·Filed 1982·Granted Sep 13, 1983·13 cites·8 claims
- 3660US4209431AAlkyl-substituted hydroquinone carbonate esters as stabilizers for olefin polymersWITCO CHEMICAL CORP·Filed 1978·Granted Jun 24, 1980·9 cites·35 claims
- 3760US4160065APolyurethane latexes from NCO prepolymers chain extended with polyepoxides, polyanhydrides or polyaldehydes, and layered productsWITCO CHEMICAL CORP·Filed 1976·Granted Jul 3, 1979·17 cites·27 claims
- 3859US4310683ASulfosuccinate diestersWITCO CHEMICAL CORP·Filed 1979·Granted Jan 12, 1982·5 cites·7 claims
- 3958US4403926ABarrel pumpWITCO CHEMICAL CORP·Filed 1981·Granted Sep 13, 1983·18 cites·1 claims
- 4058US4190570ACable fillerWITCO CHEMICAL CORP·Filed 1978·Granted Feb 26, 1980·12 cites·13 claims
- 4158US4052427AProcess for the preparation of dialkyltin dihalidesWITCO CHEMICAL CORP·Filed 1976·Granted Oct 4, 1977·5 cites·11 claims
- 4255US4473438ASpray drying methodWITCO CHEMICAL CORP·Filed 1981·Granted Sep 25, 1984·23 cites·4 claims
- 4354US4481122ALubricant compositionsWITCO CHEMICAL CORP·Filed 1983·Granted Nov 6, 1984·13 cites·5 claims
- 4454US4154955ASulfosuccinate ester-amidesWITCO CHEMICAL CORP·Filed 1977·Granted May 15, 1979·4 cites·6 claims
- 4552US4434102APreparation of mixtures of methyltin trichloride and dimethyltin dichloride from stanic chloride and dimethyltin dichloride without catalyst and conversion to mixed methyltin mercaptide stabilizersWITCO CHEMICAL CORP·Filed 1981·Granted Feb 28, 1984·4 cites·3 claims
- 4651US4374945AThioglycolate and thiopropionate secondary stabilizersWITCO CHEMICAL CORP·Filed 1981·Granted Feb 22, 1983·8 cites·17 claims
- 4751US4243513AMethod of increasing yield of petroleum pitchWITCO CHEMICAL CORP·Filed 1975·Granted Jan 6, 1981·10 cites·2 claims
- 4850US4517100ALubricating wellbore fluid and method of drillingWITCO CHEMICAL CORP·Filed 1983·Granted May 14, 1985·16 cites·20 claims
- 4948US4562214APersonal care emulsionWITCO CHEMICAL CORP·Filed 1981·Granted Dec 31, 1985·10 cites·7 claims
- 5044US4202755ACatalytic method for making pitchWITCO CHEMICAL CORP·Filed 1978·Granted May 13, 1980·5 cites·6 claims
Showing the top 50 of 64 patent records by PatentIndex Score.
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