Inventor · disambiguated record
Gordon Calundann
Also filed as: CALUNDANN GORDON · CALUNDANN GORDON W
78 granted patents·10 pending applications·3,450 citations·filing 1975–2022
99Inventor score
Top patents by PatentIndex Score
88 records- 0199US4184996AMelt processable thermotropic wholly aromatic polyesterCELANESE CORP·Filed 1978·Granted Jan 22, 1980·131 cites·15 claims
- 0299US4161470APolyester of 6-hydroxy-2-naphthoic acid and para-hydroxy benzoic acid capable of readily undergoing melt processingCELANESE CORP·Filed 1977·Granted Jul 17, 1979·405 cites·42 claims
- 0398US4522974AMelt processable polyester capable of forming an anisotropic melt comprising a relatively low concentration of 6-oxy-2-naphthoyl moiety-4-benzoyl moiety, 1,4-dioxyphenylene moiety, isophthaloyl moiety and terephthaloyl moietyCELANESE CORP·Filed 1983·Granted Jun 11, 1985·110 cites·22 claims
- 0498US4473682AMelt processable polyester capable of forming an anisotropic melt comprising a relatively low concentration of 6-oxy-2-naphthoyl moiety, 4-oxybenzoyl moiety, 4,4'-dioxybiphenyl moiety, and terephthaloyl moietyCELANESE CORP·Filed 1983·Granted Sep 25, 1984·115 cites·24 claims
- 0598US4318842APolyester of 6-hydroxy-2-naphthoic acid, aromatic diol, and 1,4-cyclohexanedicarboxylic acid capable of undergoing melt processingCELANESE CORP·Filed 1980·Granted Mar 9, 1982·106 cites·37 claims
- 0698US4256624APolyester of 6-hydroxy-2-naphthoic acid, aromatic diol, and aromatic diacid capable of undergoing melt processingCELANESE CORP·Filed 1979·Granted Mar 17, 1981·131 cites·35 claims
- 0798US4219461APolyester of 6-hydroxy-2-naphthoic acid, para-hydroxy benzoic acid, aromatic diol, and aromatic diacid capable of readily undergoing melt processingCELANESE CORP·Filed 1979·Granted Aug 26, 1980·149 cites·42 claims
- 0898US4130545AMelt processable thermotropic wholly aromatic polyester comprising both para-oxybenzoyl and meta-oxybenzoyl moietiesCELANESE CORP·Filed 1977·Granted Dec 19, 1978·153 cites·18 claims
- 0998US4067852AMelt processable thermotropic wholly aromatic polyester containing polybenzoyl unitsCELANESE CORP·Filed 1976·Granted Jan 10, 1978·187 cites·11 claims
- 1097US4355132AAnisotropic melt phase forming poly(ester-amide) derived from p-hydroxybenzoic acid, 2,6-naphthalenedicarboxylic acid, aromatic monomer capable of forming an amide linkage, and, optionally, hydroquinone and additional carbocyclic dicarboxylic acidCELANESE CORP·Filed 1981·Granted Oct 19, 1982·101 cites·45 claims
- 1197US4351917APoly(ester-amide) capable of forming an anisotropic melt phase derived from 6-hydroxy-2-naphthoic acid, aromatic monomer capable of forming an amide linkage, and other aromatic hydroxyacidCELANESE CORP·Filed 1981·Granted Sep 28, 1982·95 cites·33 claims
- 1297US4351918APoly(ester-amide) capable of forming an anisotropic melt phase derived from 6-hydroxy-2-naphthoic acid, other aromatic hydroxyacid, carbocyclic dicarboxylic acid, and aromatic monomer capable of forming an amide linkageCELANESE CORP·Filed 1981·Granted Sep 28, 1982·96 cites·39 claims
- 1397US4330457APoly(ester-amide) capable of forming an anisotropic melt phase derived from 6-hydroxy-2-naphthoic acid, dicarboxylic acid, and aromatic monomer capable of forming an amide linkageCELANESE CORP·Filed 1980·Granted May 18, 1982·99 cites·17 claims
- 1497US4083829AMelt processable thermotropic wholly aromatic polyesterCELANESE CORP·Filed 1977·Granted Apr 11, 1978·254 cites·23 claims
- 1596US8277983B2Proton-conducting membrane and its useCALUNDANN GORDON·Filed 2010·Granted Oct 2, 2012·15 cites·22 claims
- 1696US4318841APolyester of 6-hydroxy-2-naphthoic acid, para-hydroxy benzoic acid, terephthalic acid, and resorcinol capable of readily undergoing melt processing to form shaped articles having increased impact strengthCELANESE CORP·Filed 1980·Granted Mar 9, 1982·84 cites·30 claims
- 1795US4337190APolyester of 6-hydroxy-2-naphthoic acid and meta-hydroxy benzoic acid capable of readily undergoing melt processingCELANESE CORP·Filed 1980·Granted Jun 29, 1982·67 cites·35 claims
- 1894US7235320B2Proton-conducting membrane and use thereofPEMEAS GMBH·Filed 2002·Granted Jun 26, 2007·61 cites·40 claims
- 1994US4868274APolyanhydride from carboxy aryloxy alkanoic acidHOECHST CELANESE CORP·Filed 1988·Granted Sep 19, 1989·59 cites·15 claims
- 2094US4434262AMelt processable blend of a low molecular weight liquid crystalline compound and a polyolefin or polyesterCELANESE CORP·Filed 1982·Granted Feb 28, 1984·58 cites·29 claims
- 2194US4339375APoly(ester-amide) capable of forming an anisotropic melt phase derived from p-hydroxybenzoic acid, 2,6-dihydroxynaphthalene, carbocyclic dicarboxylic acid, aromatic monomer capable of forming an amide linkage, and, optionally, additional aromatic diolCELANESE CORP·Filed 1981·Granted Jul 13, 1982·64 cites·44 claims
- 2294US4279803APolyester of phenyl-4-hydroxybenzoic acid and 4-hydroxybenzoic acid and/or 6-hydroxy-2-naphthoic acid capable of forming an anisotropic meltCELANESE CORP·Filed 1980·Granted Jul 21, 1981·64 cites·39 claims
- 2393US8716356B2Proton-conducting membrane and its useCALUNDANN GORDON·Filed 2012·Granted May 6, 2014·7 cites·22 claims
- 2493US7540984B2Proton-conducting membrane and the use thereofBASF FUEL CELL GMBH·Filed 2007·Granted Jun 2, 2009·18 cites·25 claims
- 2593US4375530APolyester of 2,6-naphthalene dicarboxylic acid, 2,6-dihydroxy naphthalene, terephthalic acid, and hydroquinone capable of forming an anisotropic meltCELANESE CORP·Filed 1982·Granted Mar 1, 1983·87 cites·18 claims
- 2693US4355134AWholly aromatic polyester capable of forming an anisotropic melt phase at an advantageously reduced temperatureCELANESE CORP·Filed 1981·Granted Oct 19, 1982·58 cites·22 claims
- 2792US8142917B2Proton-conducting polymer membrane comprising polyazole blends and its use in fuel cellsUENSAL OEMER·Filed 2010·Granted Mar 27, 2012·9 cites·28 claims
- 2892US7384552B2Proton-conducting membrane and the use thereofBASF FUEL CELL GMBH·Filed 2002·Granted Jun 10, 2008·35 cites·74 claims
- 2991US7582210B2Proton-conducting membrane and use thereofBASF FUEL CELL GMBH·Filed 2007·Granted Sep 1, 2009·12 cites·23 claims
- 3089US8323810B2Proton-conducting membrane and use thereofCALUNDANN GORDON·Filed 2010·Granted Dec 4, 2012·7 cites·12 claims
- 3189US7837763B2High-molecular-weight polyazoles used as proton conducting membranesCALUNDANN GORDON·Filed 2007·Granted Nov 23, 2010·10 cites·16 claims
- 3288US4746694AMelt processable polyester capable of forming an anisotropic melt comprising a relatively low concentration of 6-oxy-2-naphthoyl moiety, 4-oxybenzoyl moiety, 2,6-dioxynaphthalene moiety, and terephthaloyl moietyHOECHST CELANESE CORP·Filed 1987·Granted May 24, 1988·37 cites·26 claims
- 3387US7332530B2Proton-conducting polymer membrane comprising a polymer with sulphonic acid groups and use thereof in fuel cellsCELANESE VENTURES GMBH·Filed 2003·Granted Feb 19, 2008·43 cites·28 claims
- 3487US5164478AProcess for producing polyarylate having low colorHOECHST CELANESE CORP·Filed 1991·Granted Nov 17, 1992·43 cites·19 claims
- 3585US8945736B2Method for conditioning membrane-electrode-units for fuel cellsBASF FUEL CELL GMBH·Filed 2012·Granted Feb 3, 2015·5 cites·19 claims
- 3683US6107447ACholesteric phase-forming polymers, process for their preparation and their useHOECHST RESEARCH TECHNOLOGY DE·Filed 1996·Granted Aug 22, 2000·53 cites·20 claims
- 3781US4654412ALinear, melt processable, crosslinkable, thermotropic wholly aromatic polyesters and crosslinked polymers prepared therefromCELANESE CORP·Filed 1986·Granted Mar 31, 1987·28 cites·19 claims
- 3877US5171823AMelt processable thermotropic wholly aromatic polyester containing 6-hydroxy-2-naphthoic acid moietiesHOECHST CELANESE CORP·Filed 1991·Granted Dec 15, 1992·22 cites·11 claims
- 3976US7696302B2High-molecular-weight polyazolesPBI PERFORMANCE PRODUCTS INC·Filed 2003·Granted Apr 13, 2010·13 cites·18 claims
- 4076US2022376268A1High-performance membrane electrode unit and the use thereof in fuel cellsBASF FUEL CELL GMBH·Filed 2022·Application pending·0 cites
- 4175US5250633AFibers and fibrets from blends of polybezimidazoles and aromatic polyamides, aromatic polyamide-hydrazides or aromatic polyamides containing heterocyclic linkagesHOECHST CELANESE CORP·Filed 1991·Granted Oct 5, 1993·26 cites·29 claims
- 4275US4355133APolyester of 6-hydroxy-2-naphthoic acid, 4-hydroxy benzoic acid, 1,4-cyclohexanedicarboxylic acid, and aromatic diol capable of readily undergoing melt processing to form articles possessing high impact propertiesCELANESE CORP·Filed 1981·Granted Oct 19, 1982·22 cites·23 claims
- 4375US4224433AThermotropic polyesters of 2,6-dihydroxyanthraquinoneCELANESE CORP·Filed 1979·Granted Sep 23, 1980·19 cites·21 claims
- 4474US7745030B2Proton-conducting polymer membrane comprising sulfonic acid-containing polyazoles, and use thereof in fuel cellsBASF FUEL CELL GMBH·Filed 2003·Granted Jun 29, 2010·12 cites·27 claims
- 4574US7736779B2Proton-conducting polymer membrane containing polyazole blends, and application thereof in fuel cellsBASF FUEL CELL·Filed 2003·Granted Jun 15, 2010·13 cites·27 claims
- 4672US4299756APolyester of phenyl-4-hydroxybenzoic acid, aromatic diol, and aromatic diacid capable of forming an anisotropic meltCELANESE CORP·Filed 1980·Granted Nov 10, 1981·20 cites·46 claims
- 4771US7661542B2Proton-conducting polymer membrane that contains polyazoles and is coated with a catalyst layer, and application therof in fuel cellsBASF FUEL CELL GMBH·Filed 2003·Granted Feb 16, 2010·13 cites·32 claims
- 4871US4922003ABisacrylate monomers and polymers exhibiting nonlinear optical responseHOECHST CELANESE CORP·Filed 1987·Granted May 1, 1990·9 cites·3 claims
- 4968US7820314B2Proton-conducting membrane and use thereofBASF FUEL CELL RES GMBH·Filed 2004·Granted Oct 26, 2010·11 cites·45 claims
- 5068US4957655ACopolymeric nonlinear optical mediaHOECHST CELANESE CORP·Filed 1989·Granted Sep 18, 1990·17 cites·17 claims
Showing the top 50 of 88 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →