Inventor · Guisborough, GB

William A. MacDonald

15Patents
7h-index
20Co-inventors
66Inventor score

Filing activity: Dec 7, 1981 → Mar 8, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US5229451A Thermotropic polymer Chemistry; Metallurgy 47 Expired
US7718104B2 Process for the production of brittle polymeric film Emerging Cross-Sectional Technologies 36 Expired
US7101627B2 Heat-stabilised poly(ethylene naphthalate) film for flexible electronic and opto-electronics devices Emerging Cross-Sectional Technologies 13 Expired
US4499256A Anisotropic polyesteramide polymers having improved retention of physical properties at elevated temperatures and methods of manufacture thereof Chemistry; Metallurgy 13 Expired
US4414381A Thermotropic polyester anhydride polymers Chemistry; Metallurgy 11 Expired
US5258353A Receiver sheet Emerging Cross-Sectional Technologies 8 Expired
US4868278A Aromatic copolyesters Chemistry; Metallurgy 7 Expired
US9096724B2 Copolyesterimides of poly(alkylene naphthalate)s having high glass transition temperature and film made therefrom Chemistry; Metallurgy 5 Active
US9074052B2 Copolyesterimides of poly(alkylene terephthalate)s having high glass transition temperature and film made therefrom Chemistry; Metallurgy 5 Active
US7300703B2 Heat-stabilised poly(ethylene naphthalate) film for flexible electronic and opto-electronic devices Emerging Cross-Sectional Technologies 4 Active
US8530045B2 Brittle polymeric film and tamper evident labels made therefrom Emerging Cross-Sectional Technologies 2 Active
US4902772A Dispersion polymerisation process Chemistry; Metallurgy 2 Expired
US7705078B2 Antimicrobial polymeric film Human Necessities 1 Expired
US11965073B2 Polyester film comprising a polymeric phosphonate flame retardant Chemistry; Metallurgy 0 Active
US11634548B2 Polyester film comprising a polymeric phosphonate flame retardant Chemistry; Metallurgy 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.