Inventor · Lancaster, PA, US

John E. Herweh

17Patents
5h-index
11Co-inventors
63Inventor score

Filing activity: Jul 19, 1974 → Jul 7, 1994

Most-cited inventions

PatentTitleAreaCited byStatus
US5036145A Alkoxysilane and alkoxysilane terminated polyamic or polyimide lacquer composition Chemistry; Metallurgy 64 Expired
US5441563A Highly insoluble azole embossing inhibitor and the use thereof Chemistry; Metallurgy 17 Expired
US4438251A Polyurethane polymers comprising macrocyclic crown ethers in the polymer backbone Chemistry; Metallurgy 15 Expired
US4652399A Novel polyacrylic esters bearing pendant macrocyclic ethers and electrically conducting compositions comprised thereof Electricity 10 Expired
US4035337A Sulfide compositions as inhibiting agents for amine-induced yellowing Chemistry; Metallurgy 8 Expired
US4099910A Surface modification of polymeric substrates via interaction with azido formyl or azido sulfonyl compounds Textiles; Paper 4 Expired
US4053538A Block polymers from isocyanurate-based polyesters and conventional polyester segments Chemistry; Metallurgy 4 Expired
US3933909A Method for producing sulfonyl semicarbazides Chemistry; Metallurgy 3 Expired
US4348508A 3-Substituted-7-alkoxy-2,2'-Spirobi[2H-1-benzopyrans] Chemistry; Metallurgy 2 Expired
US4672098A Bicyclic acrylic monomers Chemistry; Metallurgy 2 Expired
US4346186A Process for fixing photo-induced colored derivatives of spiropyrans and compositions therefor Physics 2 Expired
US4650846A Novel polyacrylic esters bearing pendant macrocyclic ethers and electrically conducting compositions comprised thereof Electricity 1 Expired
US4607110A Novel polyacrylic esters bearing pendant macrocyclic ethers and electrically conducting compositions comprised thereof Electricity 1 Expired
US4382134A 3-Substituted-7-alkoxy-spiro(2H -1-benzopyran-2,3'-(3H)-naphtho(2,1-B)pyrans) Chemistry; Metallurgy 0 Expired
US4342696A 7-Dimethylamino-3-substituted-2,2'-spirobi[2H-1-benzopyrans] Emerging Cross-Sectional Technologies 0 Expired
US4104301A Synthesis of sulfonyl semicarbazides Chemistry; Metallurgy 0 Expired
US4384094A 3-Substituted- 7-dialkylamino-spiro(2H-1-benzopyran-2,3'-(3H)-naphtha(2,1-b)pyrans) Chemistry; Metallurgy 0 Expired

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