Inventor · Geretsried, DE

Bernhard Sandner

13Patents
6h-index
13Co-inventors
63Inventor score

Filing activity: Feb 4, 1975 → Sep 14, 2004

Most-cited inventions

PatentTitleAreaCited byStatus
US4477498A Process for the production of perfluoroalkyl residue containing condensation products, the condensation products prepared accordingly, and their use Chemistry; Metallurgy 21 Expired
US4834764A Process for obtaining wash-and cleaning resistant textile finishes with reactive perfluoroalkyl-containing (co) polymers and/or precondensates and a blocked isocyanate compound Textiles; Paper 21 Expired
US5019428A Modified polyurethanes containing perfluoroaliphatic groups and use thereof Emerging Cross-Sectional Technologies 18 Expired
US4004059A Method to make fibrous material oil and water repellent at the same time Emerging Cross-Sectional Technologies 14 Expired
US4153640A Modified polysiloxanes and process of preparing them Emerging Cross-Sectional Technologies 11 Expired
US4128675A Process for treating textiles with reactive polymers Emerging Cross-Sectional Technologies 9 Expired
US7329707B2 Partially quaternised, amino-functional organopolysiloxanes and their use in aqueous systems Emerging Cross-Sectional Technologies 6 Expired
US3949136A Fluorine-containing organopolysiloxanes, process for their use Emerging Cross-Sectional Technologies 6 Expired
US7354458B2 Preparations based on water and/or organic solvents and their use as a finish on flat materials Textiles; Paper 5 Expired
US5112930A Modified polyurethanes containing perfluoroaliphatic groups and use thereof Emerging Cross-Sectional Technologies 4 Expired
US4433027A Process for finishing textiles with alkoxylation products, and compositions for this Emerging Cross-Sectional Technologies 3 Expired
US7629415B2 Highly concentrated self-emulsifying preparations containing organopolysiloxanes and alkylammonium compounds and use thereof in aqueous systems Textiles; Paper 1 Expired
US8231802B2 Preparations for making planar structures oil-repellent and water-repellent, and use thereof Textiles; Paper 0 Active

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