Inventor · Essen, DE

Friedhelm Nickel

16Patents
5h-index
10Co-inventors
63Inventor score

Filing activity: Dec 12, 1978 → Apr 7, 2015

Most-cited inventions

PatentTitleAreaCited byStatus
US4921895A Preparation for finishing textile fibers and products and textile products having improved handle Textiles; Paper 18 Expired
US4476282A Method of producing finely divided, stable oil-in-water emulsions of organopolysiloxanes Chemistry; Metallurgy 16 Expired
US4248590A Preparation for shrinkproofing wool Emerging Cross-Sectional Technologies 10 Expired
US4182682A Preparation for shrinkproofing wool and process for the production of the preparation Textiles; Paper 9 Expired
US4283191A Preparation for shrinkproofing wool Textiles; Paper 7 Expired
US6958410B2 Amido-functional aminopolydiorganosiloxanes Textiles; Paper 5 Expired
US4654041A Process for the removal of silicones from fibers, yarns or two-dimensional textile materials Chemistry; Metallurgy 4 Expired
US4990267A Anhydrous preparation for finishing sewing yarn and thread: contains dimethyl-polysiloxane Emerging Cross-Sectional Technologies 2 Expired
US4405328A Preparation for shrinkproofing wool Textiles; Paper 2 Expired
US8110647B2 Process for the preparation of an organopolysiloxane functionalized with a benzalmalonate by hydrosilylation in the presence of a hydroxy carboxylic acid or a cyclic ester thereof Chemistry; Metallurgy 1 Active
US7632910B2 Polysiloxane and textile auxiliary containing a polysiloxane Emerging Cross-Sectional Technologies 1 Expired
US4735627A Method for finishing knitted fabric Textiles; Paper 1 Expired
US8221507B2 Removing the silicone coating from coated fabrics and airbags Emerging Cross-Sectional Technologies 1 Active
US8492575B2 Method for improving the color index of organopolysiloxanes Chemistry; Metallurgy 0 Active
US8481775B2 Method for improving the color index of organopolysiloxanes Chemistry; Metallurgy 0 Active
US9777120B2 Alkoxyalkylsilane-modified polysiloxanes and processes for the production thereof Chemistry; Metallurgy 0 Active

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