Inventor · disambiguated record
George P. Speranza
Also filed as: SPERANZA GEORGE P · SPERANZA GEORGE PHILLIP
156 granted patents·2,519 citations·filing 1974–2000
99Inventor score
Top patents by PatentIndex Score
156 records- 0196US4705814AReaction product of polyoxyalkylene polyamine and an aliphatic isocyanateTEXACO INC·Filed 1986·Granted Nov 10, 1987·75 cites·7 claims
- 0293US5324812AWater soluble polyamide from polyalkylene glycol diamines and polycarboxylic acidsTEXACO CHEMICAL·Filed 1993·Granted Jun 28, 1994·70 cites·14 claims
- 0393US5298618AMacrocyclic oxamidesTEXACO CHEMICAL·Filed 1992·Granted Mar 29, 1994·50 cites·7 claims
- 0493US4296213APolyurethane foams using a polyurea polymer polyolTEXACO INC·Filed 1980·Granted Oct 20, 1981·53 cites·11 claims
- 0592US4267120APolyester polycarbonatesTEXACO DEVELOPMENT CORP·Filed 1979·Granted May 12, 1981·46 cites·4 claims
- 0691US3968089APolymer-prepolymer composition prepared by polymerizing an ethylenically unsaturated monomer in the presence of an isocyanate-terminated prepolymerJEFFERSON CHEM CO INC·Filed 1974·Granted Jul 6, 1976·40 cites·21 claims
- 0790US4940770ANovel compositions from polyoxyalkylene amines and epoxidesTEXACO CHEMICAL·Filed 1988·Granted Jul 10, 1990·47 cites·8 claims
- 0890US4469824ALiquid terephthalic ester polyols and polyisocyanurate foams therefromTEXACO INC·Filed 1983·Granted Sep 4, 1984·64 cites·17 claims
- 0989US5086162APolyether amide from polyalkylene glycol diamine and diacid mixtureTEXACO CHEMICAL·Filed 1990·Granted Feb 4, 1992·42 cites·17 claims
- 1089US5053484APolyether amide from mixture of polyether diamineTEXACO CHEMICAL·Filed 1990·Granted Oct 1, 1991·45 cites·16 claims
- 1189US4186255ABis-quaternary ammonium salts as polyisocyanurate catalystsTEXACO DEVELOPMENT CORP·Filed 1978·Granted Jan 29, 1980·41 cites·15 claims
- 1288US4886867ANovel compositions from polyoxyalkylene amines and epoxidesTEXACO CHEMICAL·Filed 1988·Granted Dec 12, 1989·35 cites·38 claims
- 1388US4514530AModified amine curing agents and epoxy resins cured therewithTEXACO INC·Filed 1983·Granted Apr 30, 1985·36 cites·22 claims
- 1488US4485196ALiquid phase polyols which are alkylene oxide adducts of terephthalic esters from recycled polyethylene terephthalateTEXACO INC·Filed 1983·Granted Nov 27, 1984·39 cites·19 claims
- 1588US4316991AModification of polyols with epoxy resinsTEXACO INC·Filed 1980·Granted Feb 23, 1982·37 cites·16 claims
- 1688US4049591AFoams and elastomers prepared in the presence of high tertiary amine content polyurethane catalystsTEXACO DEVELOPMENT CORP·Filed 1976·Granted Sep 20, 1977·35 cites·8 claims
- 1787US4927942AMethod for the preparation of imidazolesTEXACO CHEMICAL·Filed 1988·Granted May 22, 1990·21 cites·13 claims
- 1887US4194069AUrea derivative and use as polyurethane catalystTEXACO DEVELOPMENT CORP·Filed 1978·Granted Mar 18, 1980·33 cites·3 claims
- 1986US4761465ADifunctional isocyanate-terminated polyoxyalkylene diamine prepolymers and polymer coatings applicationsTEXACO INC·Filed 1987·Granted Aug 2, 1988·34 cites·17 claims
- 2086US4487852AModified Mannich condensates and manufacture of rigid polyurethane foam with alkoxylation products thereofTEXACO INC·Filed 1983·Granted Dec 11, 1984·35 cites·10 claims
- 2186US4452922APolyamide co-polymer polyols made with diesters and diamines and polyurethanes therefromTEXACO INC·Filed 1983·Granted Jun 5, 1984·38 cites·8 claims
- 2285US5139622APurification of propylene oxide by extractive distillationTEXACO CHEMICAL·Filed 1991·Granted Aug 18, 1992·31 cites·3 claims
- 2384US5118785APreparation of polyether amide from tetraethylene glycol diamine and terephthalic acidTEXACO CHEMICAL·Filed 1990·Granted Jun 2, 1992·29 cites·5 claims
- 2484US4826995ABismaleimide derivatives of higher molecular weight polyoxyalkyleneaminesTEXACO INC·Filed 1987·Granted May 2, 1989·18 cites·7 claims
- 2584US4067833AUrethane-modified polyisocyanurate foams from oxyalkylated aniline and aromatic polyisocyanatesTEXACO DEVELOPMENT CORP·Filed 1976·Granted Jan 10, 1978·30 cites·6 claims
- 2683US4046721ALow friability polyisocyanurate foamsTEXACO DEVELOPMENT CORP·Filed 1976·Granted Sep 6, 1977·37 cites·12 claims
- 2782US6503891B1Water emulsifiable formulationsHUNTSMAN SPEC CHEM CORP·Filed 2000·Granted Jan 7, 2003·11 cites·25 claims
- 2882US5342918ACarboxyl-terminated polyetheraminesTEXACO CHEMICAL·Filed 1993·Granted Aug 30, 1994·36 cites·15 claims
- 2982US5254668APolyamidopolyfunctional amine from lactam and ether amineTEXACO CHEMICAL·Filed 1992·Granted Oct 19, 1993·30 cites·14 claims
- 3082US4952732AMannich condensates of a substituted phenol and an alkylamine containing internal alkoxy groupsTEXACO INC·Filed 1984·Granted Aug 28, 1990·28 cites·13 claims
- 3182US4568717APolymer polyols from liquid terephthalic polyester polyolsTEXACO INC·Filed 1984·Granted Feb 4, 1986·27 cites·20 claims
- 3282US4338443ASynthesis of N-(2-hydroxyethyl)piperazineTEXACO INC·Filed 1980·Granted Jul 6, 1982·13 cites·1 claims
- 3381US5128441ABlock polyamido condensation productsTEXACO CHEMICAL·Filed 1990·Granted Jul 7, 1992·29 cites·10 claims
- 3480US4383102AMethod for producing a low viscosity spray polyol by reacting an alkylene oxide with the reaction product of a phenol, an amine and a smaller formaldehyde portionTEXACO INC·Filed 1982·Granted May 10, 1983·27 cites·17 claims
- 3580US4102866AMethod of making glycidyl ethers of novolak resinsTEXACO DEVELOPMENT CORP·Filed 1976·Granted Jul 25, 1978·9 cites·6 claims
- 3679US4396499ADemulsification of bitumen emulsions using water soluble salts of polymersTEXACO INC·Filed 1981·Granted Aug 2, 1983·27 cites·5 claims
- 3778US5140090AAliphatic polyureas from polyoxyalkylene polyamines, aliphatic diisocyanates and sym-dialkylethylenediaminesTEXACO CHEMICAL·Filed 1991·Granted Aug 18, 1992·22 cites·8 claims
- 3878US5130382AHydroxy terminated polyoxypropylene polyamidesTEXACO CHEMICAL·Filed 1990·Granted Jul 14, 1992·26 cites·20 claims
- 3978US4506090AAromatic polyols made from polyethylene terephthalate scrap, glycols and aromatic carbonyl-containing compoundsTEXACO INC·Filed 1983·Granted Mar 19, 1985·25 cites·10 claims
- 4077US5110991AHeterogeneous catalyst for alkoxylation of alcoholsTEXACO CHEMICAL·Filed 1991·Granted May 5, 1992·14 cites·14 claims
- 4177US5093382APreparation of foams using polyfunctional organic acidsTEXACO CHEMICAL·Filed 1991·Granted Mar 3, 1992·23 cites·31 claims
- 4277US5003084AProcess for preparing alkylene carbonatesTEXACO CHEMICAL·Filed 1990·Granted Mar 26, 1991·15 cites·17 claims
- 4377US4789721ACuratives of epoxy resins from dicarboxylic acids, including (1) indane or (2) tert-butylisophtalic derived acids, reacted with polyetherdiaminesTEXACO INC·Filed 1987·Granted Dec 6, 1988·22 cites·3 claims
- 4476US4795581AAqueous fluids thickened with fatty acid modified polyoxyalkylene diaminesTEXACO INC·Filed 1987·Granted Jan 3, 1989·25 cites·20 claims
- 4576US4581422AEpoxy resin composition containing a curing agent which is a reaction product of cyanoguanidine, formaldehyde and an amineTEXACO INC·Filed 1985·Granted Apr 8, 1986·20 cites·8 claims
- 4676US4540768ARim elastomers made from terephthalate polyester polyol derived polymer polyolsTEXACO INC·Filed 1984·Granted Sep 10, 1985·22 cites·20 claims
- 4775US5391826AAmidopolyamines derived from amino-carboxylic acidHUNTSMAN CORP·Filed 1990·Granted Feb 21, 1995·14 cites·14 claims
- 4875US4526972AUltraviolet light stabilizing sterically hindered polyoxyalkylene aminesTEXACO INC·Filed 1984·Granted Jul 2, 1985·18 cites·20 claims
- 4975US4309532AModification of amino polyols with epoxy resinsTEXACO INC·Filed 1980·Granted Jan 5, 1982·22 cites·16 claims
- 5075US4228310APolyol preparationTEXACO DEVELOPMENT CORP·Filed 1979·Granted Oct 14, 1980·19 cites·10 claims
Showing the top 50 of 156 patent records by PatentIndex Score.
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