Inventor · disambiguated record
Thirumurti Narayan
Also filed as: CENKER MOSES · NARAYAN THIRUMURTI · NARAYAN THIRUMURTI L
76 granted patents·1,400 citations·filing 1974–2000
99Inventor score
Top patents by PatentIndex Score
76 records- 0198US4738991AStorage stable polyisocyanates characterized by allophanate linkagesBASF CORP·Filed 1987·Granted Apr 19, 1988·74 cites·6 claims
- 0298US4284730ALiquid carbodiimide- and uretonimine-isocyanurate-containing polyisocyanate compositions and microcellular foams made therefromBASF WYANDOTTE CORP·Filed 1980·Granted Aug 18, 1981·127 cites·50 claims
- 0393US4092276AProcess for the preparation of foams characterized by isocyanurate and urethane linkagesBASF WYANDOTTE CORP·Filed 1977·Granted May 30, 1978·51 cites·9 claims
- 0490US4717774AProcess for the preparation of toluene diaminesBASF CORP·Filed 1985·Granted Jan 5, 1988·28 cites·4 claims
- 0590US4677154AStabilizer package for polyurethane comprising a substituted cresol and another costabilizerBASF CORP·Filed 1985·Granted Jun 30, 1987·40 cites·9 claims
- 0689US4165414AUrethane-modified isocyanurate foams having improved insulating and flame retardant propertiesBASF WYANDOTTE CORP·Filed 1978·Granted Aug 21, 1979·39 cites·5 claims
- 0787US4743626ALiquid carbodiimide-uretonimine modified polymethylene polyphenylene polyisocyanates and polyurethane foams made therefromBASF CORP·Filed 1987·Granted May 10, 1988·36 cites·9 claims
- 0886US4791148AIsocyanate terminated quasi-prepolymers useful for preparing polyurethane/polyisocyanurate foams having low thermal conductivityBASF CORP·Filed 1987·Granted Dec 13, 1988·33 cites·7 claims
- 0986US4743627ALiquid isocyanurate-modified polymethylene bis(phenylisocyanate) compositions containing a high two-ring methylene bis(phenylisocyanate) contentBASF CORP·Filed 1987·Granted May 10, 1988·33 cites·8 claims
- 1085US4359541AProcess for the preparation of polyisocyanurate dispersions and compositions prepared therefromBASF WYANDOTTE CORP·Filed 1981·Granted Nov 16, 1982·32 cites·32 claims
- 1184US5338820AWater-blown polyurethane integral skin foamBASF CORP·Filed 1994·Granted Aug 16, 1994·30 cites·11 claims
- 1284US3981829AProcess for the preparation of carbodiimide-isocyanurate foamsBASF WYANDOTTE CORP·Filed 1974·Granted Sep 21, 1976·27 cites·9 claims
- 1383US6120699AStorage stable methylene bis(phenylisocyanate) compositionsBASF CORP·Filed 1998·Granted Sep 19, 2000·39 cites·7 claims
- 1483US4757095AUtilization of lactones and lactams in the preparation of polyurethane-polyurea productsBASF CORP·Filed 1987·Granted Jul 12, 1988·38 cites·18 claims
- 1582US5510053AWater-blown polyurethane sealing devices and compositions for producing sameBASF CORP·Filed 1994·Granted Apr 23, 1996·20 cites·15 claims
- 1682US4424288ACarbodiimide-modified polymethylene polyphenylene polyisocyanates for use in the preparation of polyisocyanurate-polyurethane foamsBASF WYANDOTTE CORP·Filed 1981·Granted Jan 3, 1984·29 cites·1 claims
- 1782US4382125AIsocyanurate-modified polymethylene polyphenylene polyisocyanate compositionsBASF WYANDOTTE CORP·Filed 1981·Granted May 3, 1983·29 cites·2 claims
- 1881US5216035AWater-blown polyurethane integral skin foamBASF CORP·Filed 1992·Granted Jun 1, 1993·30 cites·18 claims
- 1981US4148980ANovel carboxylate catalysts for the preparation of foams characterized by polyisocyanurate, polyurethane and poly (urethane-isocyanurate) linkagesBASF WYANDOTTE CORP·Filed 1978·Granted Apr 10, 1979·24 cites·20 claims
- 2080US5436277APolyisocyanate compositions for the preparation of flexible polyurethane foamsBASF CORP·Filed 1994·Granted Jul 25, 1995·24 cites·14 claims
- 2180US5236960AWater-blown polyurethane integral skin foamBASF CORP·Filed 1993·Granted Aug 17, 1993·29 cites·15 claims
- 2280US4359550APolyisocyanurate polymers, dispersions, and cellular and non-cellular polyurethane products prepared therefromBASF WYANDOTTE CORP·Filed 1981·Granted Nov 16, 1982·28 cites·18 claims
- 2379US6077456APolymethylene polyphenyl polyisocyanate based prepolymersBASF CORP·Filed 1994·Granted Jun 20, 2000·25 cites·22 claims
- 2477US5288766APoyurea based dispersions, foams prepared therefrom, and a process for the preparation thereinBASF CORP·Filed 1992·Granted Feb 22, 1994·22 cites·17 claims
- 2576US4166164AProcess for the preparation of carbodiimide-isocyanurate foamsBASF WYANDOTTE CORP·Filed 1977·Granted Aug 28, 1979·27 cites·8 claims
- 2673US4490490AHigh load bearing flexible polyurethane foamsBASF WYANDOTTE CORP·Filed 1983·Granted Dec 25, 1984·23 cites·8 claims
- 2772US5283311AFatty prepolymers and fatty-modified polyisocyanates as internal mold release agentsBASF CORP·Filed 1992·Granted Feb 1, 1994·24 cites·54 claims
- 2872US4326043AProcess for the preparation of polyisocyanurate dispersions modified with halogenated alcohols and compositions prepared therefromBASF WYANDOTTE CORP·Filed 1981·Granted Apr 20, 1982·21 cites·21 claims
- 2967US5530034AWater-blown polyurethane sealing devices and compositions for producing sameBASF CORP·Filed 1995·Granted Jun 25, 1996·15 cites·15 claims
- 3067US4544763APolyisocyanate binder having low toluene diisocyanate contentBASF WYANDOTTE CORP·Filed 1984·Granted Oct 1, 1985·16 cites·5 claims
- 3165US6469121B1Process for the production of allophanate modified isocyanatesBASF CORP·Filed 2000·Granted Oct 22, 2002·7 cites·31 claims
- 3264US5382646APoly(urethane-urea) microcellular elastomer compositionsBASF CORP·Filed 1994·Granted Jan 17, 1995·16 cites·16 claims
- 3364US4454254AAminoplast resins, dispersions, and low flammability cellular and non-cellular polyurethane products prepared therefromBASF WYANDOTTE CORP·Filed 1982·Granted Jun 12, 1984·15 cites·6 claims
- 3464US4349638AProcess for the preparation of foams characterized by isocyanurate, and/or urethane linkages involving the use of alkali metal ammonium carboxylate catalystsBASF WYANDOTTE CORP·Filed 1981·Granted Sep 14, 1982·14 cites·12 claims
- 3563US5491252APolyisocyanate compositions for the preparation of flexible polyurethane foamsBASF CORP·Filed 1995·Granted Feb 13, 1996·15 cites·15 claims
- 3663US5284880AWater-blown polyurethane integral skin foamBASF CORP·Filed 1993·Granted Feb 8, 1994·20 cites·6 claims
- 3763US4636530AIsocyanate terminated quasi-prepolymers useful for preparing urethane-group-containing polyisocyanurate foams having low friabilityBASF CORP·Filed 1985·Granted Jan 13, 1987·12 cites·13 claims
- 3860US5539010AWater-blown polyurethane sealing devices and compositions for producing sameBASF CORP·Filed 1995·Granted Jul 23, 1996·11 cites·15 claims
- 3960US4163086ANovel oxyalkylated polyol prepolymers, flame retardant interpolymers prepared therefrom, and processes for the preparation thereofBASF WYANDOTTE CORP·Filed 1978·Granted Jul 31, 1979·9 cites·34 claims
- 4059US4029611ACarbodiimide-isocyanurate foams modified with polyfurfuryl alcohol polymersBASF WYANDOTTE CORP·Filed 1975·Granted Jun 14, 1977·10 cites·10 claims
- 4158US5459221APolyisocyanate compositions for the preparation of flexible polyturethane foamsBASF CORP·Filed 1995·Granted Oct 17, 1995·12 cites·8 claims
- 4257US6489503B1Storage stable methylene bis(phenylisocyanate) compositionsBASF CORP·Filed 1999·Granted Dec 3, 2002·12 cites·22 claims
- 4357US4525489APhosphonium carboxylate catalysts for the preparation of foams characterized by isocyanurate, and/or urethane linkagesBASF WYANDOTTE CORP·Filed 1981·Granted Jun 25, 1985·11 cites·12 claims
- 4457US4386167APolyisocyanurate polymer containing pendant urea groups, polyol dispersions and polyurethane compositions prepared therefromBASF WYANDOTTE CORP·Filed 1982·Granted May 31, 1983·11 cites·27 claims
- 4556US5672635AWater-blown polyurethane sealing devices and compositions for producing sameBASF CORP·Filed 1995·Granted Sep 30, 1997·9 cites·15 claims
- 4655US5672632AIntegral skin polyurethane molded articlesBASF CORP·Filed 1995·Granted Sep 30, 1997·14 cites·18 claims
- 4755US4803229AModified polyisocyanate compositions and molded flexible polyurethane foamBASF CORP·Filed 1986·Granted Feb 7, 1989·9 cites·22 claims
- 4855US4410641APolysiocyanurate-polyurethane foamsBASF WYANDOTTE CORP·Filed 1982·Granted Oct 18, 1983·14 cites·3 claims
- 4954US6262139B1Polyisocyanate compositions for the preparation of flexible polyurethane foamsBASF CORP·Filed 1998·Granted Jul 17, 2001·15 cites·28 claims
- 5054US6214470B1Cathodic electrocoat compositionBASF CORP·Filed 1998·Granted Apr 10, 2001·14 cites·22 claims
Showing the top 50 of 76 patent records by PatentIndex Score.
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