Inventor · Lenzen (Elbe), DE

Brigitta Otto

12Patents
5h-index
16Co-inventors
59Inventor score

Filing activity: Jun 12, 1998 → Aug 28, 2009

Most-cited inventions

PatentTitleAreaCited byStatus
US6417320B1 Catalyst and method for its production and use Performing Operations; Transporting 33 Expired
US6358578B1 Method for the production of polyester with mixed catalysts Emerging Cross-Sectional Technologies 31 Expired
US7084235B2 Method of producing highly condensed polyester granulate Emerging Cross-Sectional Technologies 12 Expired
US7521522B2 Method and device to reduce the acetaldehyde content of polyester granulate Emerging Cross-Sectional Technologies 7 Active
US7262263B2 Method and apparatus for producing solid-state polycondensed polyesters Performing Operations; Transporting 5 Expired
US7547406B2 Method for the direct and continuous production of hollow articles from a polymer melt Chemistry; Metallurgy 5 Active
US8907009B2 Method for producing polymers with a neutral color tone Chemistry; Metallurgy 3 Active
US8063122B2 Mixture, polyester composition, film and procedures for their manufacture Chemistry; Metallurgy 1 Active
US7335410B2 Composition and process for manufacturing polyester Emerging Cross-Sectional Technologies 0 Expired
US7977448B2 Method for producing highly condensed solid-phase polyesters Emerging Cross-Sectional Technologies 0 Active
US8241546B2 Method for the direct and continuous manufacture of polyester moulded bodies with low acetaldehyde content Performing Operations; Transporting 0 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

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