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CELANESE CORP

Overview
  • Total Patents
    10,366
About

CELANESE CORP has a total of 10,366 patent applications. Its first patent ever was published in 1921. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets macromolecular chemistry and polymers, machines and textiles and paper are ALLIED CHEM, INVENTA AG and GLANZSTOFF AG.

Patent filings per year

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

Top inventors

# Name Total Patents
#1 William Whitehead 170
#2 Camille Dreyfus 159
#3 Holland Ellis George 150
#4 Henry Dreyfus 128
#5 Maclean Alexander F 116
#6 Seymour George W 113
#7 George Schneider 98
#8 Ivan Taylor William 97
#9 Calundann Gordon W 86
#10 Conciatori Anthony B 83

Latest patents

Publication Filing date Title
US5110326A Immobilized liquid membrane
US4803236A Stabilization of aromatic polyesters with mercaptobenzothiazole
US4821750A Cigarette filters
US4829113A Stabilized aromatic polyester compositions
AU7955387A Diagnostic and control system for cigarette filter and making machine
NZ222092A Monitoring system for operation of cigarette filter making machine
US4933236A Polyester yarn and adhesively activated with a quaternary ammonium salt of a polyepoxide
EP0260104A2 Process for the preparation of poly (vinylphenol) by simultaneous methanolysis and polymerization of 4-acetoxystryene
US4959445A Preparation of gray to blue aromatic polyesters by incorporation of cobalt into the catalyst system
EP0252637A2 Composition for the adhesive activation of polymeric material, process for treating polymeric material with an adhesive activating composition and the polymeric material thus activated
CA1273767A Polyacetal lighter body resin
CA1299195C Addition of hydrogen to carbon monoxide feed gas in producing acetic acid by carbonylation of methanol
GB8710437D0 Viscosity regulators for water-based spin finishes
EP0240302A2 Aromatic polybenzimidazole and aromatic polyimide compositions and processes of manufacture
EP0237275A2 Improved weatherability of polysulfone/aromatic copolyester blends
EP0242949A1 Compositions of aromatic polybenzimidazoles and aromatic polyimides or aromatic polyetherimides
CA1303773C Stabilization of aromatic polyesters with mercaptobenzothiazole
CA1309544C Stabilized aromatic polyester compositions
CA1303771C Preparation of gray to blue aromatic polyesters by incorporation of cobalt into the catalyst system
CN1009106B Stabilized oxymethylene polymers