Inventor · Schifferstadt, DE

Enrique Freudenberg

8Patents
5h-index
18Co-inventors
49Inventor score

Filing activity: Jul 10, 1987 → Jun 24, 1991

Most-cited inventions

PatentTitleAreaCited byStatus
US5126395A Preparation of stable water-in-oil emulsions of hydrolyzed polymers of N-vinylamides Textiles; Paper 22 Expired
US5262008A Production of paper, board and cardboard in the presence of copolymers containing N-vinylformamide units Textiles; Paper 20 Expired
US5008321A Preparation of stable water-in-oil emulsions of hydrolyzed polymers of N-vinylamides and their use Chemistry; Metallurgy 15 Expired
US5290880A Preparation of finely divided, water-soluble polymers containing vinylamine units Chemistry; Metallurgy 14 Expired
US5098521A Production of paper, board and cardboard from paper stocks containing foreign materials Textiles; Paper 9 Expired
US4900479A Preparation of carbonyl halides of more than 7 carbon atoms Chemistry; Metallurgy 4 Expired
US4770743A Engine size for paper, based on fatty alkyl diketenes and cationic polyacrylamides Textiles; Paper 4 Expired
US5166427A Preparation of acyl chlorides Chemistry; Metallurgy 4 Expired

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