Inventor · Frankfurt, DE

Eckhard Seidel

21Patents
4h-index
27Co-inventors
59Inventor score

Filing activity: Apr 21, 2000 → Jul 17, 2017

Most-cited inventions

PatentTitleAreaCited byStatus
US6277947A Process of producing polytrimethylene terephthalate (PTT) Chemistry; Metallurgy 25 Expired
US6326456A Process of producing polytrimethylene terephthalate (PTT) Chemistry; Metallurgy 14 Expired
US6512080B2 Process of producing polytrimethylene terephthalate (PTT) Chemistry; Metallurgy 5 Expired
US9504978B2 Cooled reactor for the production of dimethyl ether from methanol Chemistry; Metallurgy 4 Active
US6509438B2 Optimum dipropylene glycol content polytrimethylene terephthalate compositions Chemistry; Metallurgy 3 Expired
US6967235B2 Method for the production of polybutylene terephthalate Chemistry; Metallurgy 2 Expired
US7223471B2 Polytrimethylene terephthalate resins with improved properties Emerging Cross-Sectional Technologies 1 Expired
US7241855B2 Method for the manufacture of polyesters Chemistry; Metallurgy 1 Expired
US8871961B2 Process for production of biodiesel Emerging Cross-Sectional Technologies 1 Active
US8647396B2 Process and plant for producing biodiesel Emerging Cross-Sectional Technologies 1 Active
US7381787B2 Polytrimethylene terephthalate having a low level of acrolein and a process for producing the same Textiles; Paper 1 Expired
US8063122B2 Mixture, polyester composition, film and procedures for their manufacture Chemistry; Metallurgy 1 Active
US8846561B2 Catalyst for the production of polyester, use of the catalyst for the production of polyester, and polyester obtained by the use of the catalyst Performing Operations; Transporting 0 Active
US6800718B1 Process for producing polytrimethylene terephthalate (PTT) Chemistry; Metallurgy 0 Expired
US8580987B2 Method for reprocessing biodiesel sludge Emerging Cross-Sectional Technologies 0 Active
US11254785B2 Process for preparing polyesters by using an additive Chemistry; Metallurgy 0 Active
US7029748B2 Polytrimethylene terephthalate resins with improved properties Emerging Cross-Sectional Technologies 0 Expired
US7335410B2 Composition and process for manufacturing polyester Emerging Cross-Sectional Technologies 0 Expired
US12104013B2 Method for preparing polyesters Chemistry; Metallurgy 0 Active
US8604228B2 Method for purifying fatty acid alkyl ester greatly loaded with saponification products Emerging Cross-Sectional Technologies 0 Active
US11427677B2 Process and apparatus for preparing biodegradable polyesters Performing Operations; Transporting 0 Active

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