Inventor · Essen, DE

Wilfried Knott

122Patents
43h-index
94Co-inventors
93Inventor score

Filing activity: Aug 1, 1991 → Apr 20, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US8268939B2 Process for modifying surfaces Chemistry; Metallurgy 83 Active
US7598334B2 Process for preparing equilibration products of organosiloxanes, the organopolysiloxanes thus obtainable, and use thereof Chemistry; Metallurgy 77 Active
US8993706B2 Curable material comprising silylated polymers containing urethane groups, and use thereof in sealants, adhesives, binders and/or surface modifiers Chemistry; Metallurgy 74 Active
US7196153B2 Equilibration of siloxanes Chemistry; Metallurgy 71 Expired
US8138294B2 Process for preparing branched Si-H functional polysiloxanes and use thereof for preparing liquid SiC- or SiOC-linked, branched modified organomodified polysiloxanes Chemistry; Metallurgy 67 Active
US7619035B2 Method of producing addition products of compounds containing SiH groups onto reactants having one double bond on aqueous media Chemistry; Metallurgy 66 Active
US6858663B2 Organopolysiloxanes for defoaming aqueous systems Chemistry; Metallurgy 66 Expired
US5430166A Silanes with hydrophilic groups, their synthesis and use as surfactants in aqueous media Emerging Cross-Sectional Technologies 66 Expired
US5475127A Organosilyl and organosiloxanyl derivatives of glycerin ethers and their use Emerging Cross-Sectional Technologies 64 Expired
US6291622A Process and apparatus for continuous hydrosilylation Chemistry; Metallurgy 63 Expired
US7612158B2 Equilibration of siloxanes Chemistry; Metallurgy 60 Active
US6307082A Synergistic catalyst system and process for carrying out hydrosilylation reactions Chemistry; Metallurgy 60 Expired
US8334355B2 Silicone-polyether block copolymers having a defined polydispersity in the polyoxyalkylene part and their use as stabilizers for producing polyurethane foams Textiles; Paper 59 Active
US7157541B2 Process for an addition reaction of organic silicon compounds having SiH groups with compounds having olefinic double bonds Chemistry; Metallurgy 58 Expired
US8729207B2 Types of polyester-modified organopolysiloxanes Chemistry; Metallurgy 57 Active
US7645848B2 Process for preparation of SiOC-linked, linear polydimethylsiloxane-polyoxyalkylene block copolymers Chemistry; Metallurgy 57 Active
US7754778B2 Linear polydimethylsiloxane-polyoxyalkylene block copolymers linked via Si-C groups and via carboxylic ester groups, a process for preparing them and their use Chemistry; Metallurgy 56 Active
US7825205B2 Process for the preparation of SiOC-linked, linear polydimethylsiloxane-polyoxyalkylene block copolymers and their use Chemistry; Metallurgy 56 Active
US7612159B2 Process for working up polyethersiloxanes Chemistry; Metallurgy 54 Active
US7825209B2 Process for the preparation of SiOC-linked, linear polydimethylsiloxane-polyoxyalkylene block copolymers and their use Chemistry; Metallurgy 54 Active
US8802744B2 Alkyl carbonate endcapped polyether siloxanes and preparation thereof Chemistry; Metallurgy 53 Active
US7018458B2 Use of organofunctionally modified polysiloxanes containing phenyl derivatives as dispersants and wetting agents for fillers and pigments in aqueous pigment pastes and ink or paint formulations Chemistry; Metallurgy 52 Expired
US8247525B2 Particles and composite particles, their uses and a novel process for producing them from alkoxysilyl-group-carrying alkoxylation products Chemistry; Metallurgy 52 Active
US7125585B2 Siloxane compounds and their use as homogenizer in release agents with matting effect for producing moldings from plastics with matt surfaces Emerging Cross-Sectional Technologies 52 Expired
US8557944B2 Polysiloxanes with nitrogen-containing groups Textiles; Paper 52 Active

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