Inventor · Kingsport, TN, US

David R. Fagerburg

49Patents
13h-index
26Co-inventors
81Inventor score

Filing activity: Oct 28, 1975 → Dec 13, 1999

Most-cited inventions

PatentTitleAreaCited byStatus
US5783307A UV stabilized multi-layer structures with detectable UV protective layers and a method of detection Emerging Cross-Sectional Technologies 100 Expired
US5480926A Blends of ultraviolet absorbers and polyesters Emerging Cross-Sectional Technologies 82 Expired
US6352783B1 Copolyester containing 4,4'-biphenyldicarboxylic acid, 1,4-cyclohexanedimethanol and an ultraviolet light absorbing compound and articles made therefrom Emerging Cross-Sectional Technologies 72 Expired
US4786713A Copoly(arylene sulfidex-disulfide) Chemistry; Metallurgy 63 Expired
US4499262A Process for the preparation of sulfo-modified polyesters Chemistry; Metallurgy 32 Expired
US4503216A Hydroxyl-terminated polyether-esters Chemistry; Metallurgy 20 Expired
US4045431A Flexible polyester having a melting point of at least 140.degree. C. Emerging Cross-Sectional Technologies 20 Expired
US4945155A Preparation of low color copoly(arylene sulfide) by heating copoly(arylene sulfide) Chemistry; Metallurgy 19 Expired
US4792600A Process for the preparation of copoly(arylene sulfide) with aromatic nitro compound catalyst Chemistry; Metallurgy 19 Expired
US5558912A Blends of ultraviolet absorbers and polyesters Emerging Cross-Sectional Technologies 16 Expired
US6265072A UV-stabilized polymeric structures Emerging Cross-Sectional Technologies 16 Expired
US4155889A Process for substantially increasing the flexibility of a polyester Chemistry; Metallurgy 16 Expired
US4482588A Bonding compositions and shaped articles utilizing the bonding compositions Emerging Cross-Sectional Technologies 13 Expired
US4855393A Process for the preparation of copoly(arylene sulfide) Chemistry; Metallurgy 13 Expired
US4849499A Melt processable, liquid crystalline polyesters Chemistry; Metallurgy 12 Expired
US6218450A Copolyester containing isophthalic acid, 1,4-cyclohexanedimethanol, 4,4'-biphenyldicarboxylic acid and an ultraviolet light absorbing compound and articles made therefrom Chemistry; Metallurgy 11 Expired
US4952671A Terminated copoly(arylene sulfide) Chemistry; Metallurgy 11 Expired
US4003882A Polyesterether having commercially acceptable mold release characteristics Chemistry; Metallurgy 10 Expired
US4481238A Bonding compositions and shaped articles utilizing the bonding compositions Emerging Cross-Sectional Technologies 10 Expired
US6368724B1 Copolyester containing isophthalic acid, 1,4-cyclohexanedimethanol and an ultraviolet light absorbing compound and articles made therefrom Emerging Cross-Sectional Technologies 10 Expired
US4826956A Process for the preparation of copoly(arylene sulfide) using an oxygen-containing gas Chemistry; Metallurgy 8 Expired
US4180528A Block copolymer composed of an addition polymer and a linear saturated polyester Chemistry; Metallurgy 8 Expired
US5155176A Blends of copoly(arylene sulfide) and polyamide Chemistry; Metallurgy 8 Expired
US6254950A Polyester phenylenedi (oxyacetic acid) copolyester blends having improved gas barrier properties Emerging Cross-Sectional Technologies 7 Expired
US4521585A Polyesters and their manufacture from acids and glycol carbonates Chemistry; Metallurgy 6 Expired

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