Patent assignee · DE · COMPANY

EVONIK DEGUSSA GMBH

1,244Patents
1,185Active
1,244Granted
65Portfolio score

Filing activity: Mar 21, 2001 → Jul 24, 2019 · 468 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US7815936B2 Use of granular materials based on pyrogenically produced silicon dioxide in pharmaceutical compositions Performing Operations; Transporting 96 Expired
US8993706B2 Curable material comprising silylated polymers containing urethane groups, and use thereof in sealants, adhesives, binders and/or surface modifiers Chemistry; Metallurgy 74 Active
US8091672B2 Single-drive-axis vehicle with a platform and/or a seat for a driver Emerging Cross-Sectional Technologies 68 Active
US7378528B2 Alkylidene complexes of ruthenium containing N-heterocyclic carbene ligands; use as highly active, selective catalysts for olefin metathesis Chemistry; Metallurgy 63 Active
US8729207B2 Types of polyester-modified organopolysiloxanes Chemistry; Metallurgy 57 Active
US7842269B2 Pyrogenically prepared silicon dioxide compacted to give crusts Chemistry; Metallurgy 53 Active
US8802744B2 Alkyl carbonate endcapped polyether siloxanes and preparation thereof Chemistry; Metallurgy 53 Active
US7829242B2 Inorganic separator-electrode-unit for lithium-ion batteries, method for the production thereof and use thereof in lithium batteries Emerging Cross-Sectional Technologies 49 Expired
US8163080B2 Fumed silanized and ground silica Emerging Cross-Sectional Technologies 49 Active
US8779079B2 Silicone polyether copolymers and process for preparation thereof Chemistry; Metallurgy 48 Active
US8772423B2 Emulsions based on hydroxyl compounds bearing silyl groups Chemistry; Metallurgy 47 Active
US7811700B2 Separator-electrode unit for lithium-ion batteries, method for the production and use thereof in lithium batteries Emerging Cross-Sectional Technologies 46 Expired
US8946369B2 Branched polysiloxanes and use of these Chemistry; Metallurgy 45 Active
US8957009B2 Linear polydimethylsiloxane-polyether copolymers having amino and/or quaternary ammonium groups and use thereof Human Necessities 44 Active
US8841400B2 Use of organomodified siloxanes branched in the silicone part for producing cosmetic or pharmaceutical compositions Chemistry; Metallurgy 41 Active
US8974627B2 Curable compositions containing silyl groups, and use thereof Chemistry; Metallurgy 40 Active
US8173258B2 Powder with improved recycling properties, process for its production, and use of the powder in a process for producing three-dimensional objects Emerging Cross-Sectional Technologies 40 Active
US9353225B2 Compounds having guanidine groups and containing semi-organic silicon groups Chemistry; Metallurgy 40 Active
US9643359B2 Method and device for production of three-dimensional objects by means of electromagnetic radiation and application of an absorber by means of an ink-jet method Emerging Cross-Sectional Technologies 39 Active
US9315614B2 Urethane-containing silylated prepolymers and process for preparation thereof Chemistry; Metallurgy 38 Active
US9334354B2 Modified alkoxylation products which have alkoxysilyl groups and contain urethane groups, and their use Chemistry; Metallurgy 37 Active
US9068044B2 Alkoxylation products and process for preparing them by means of DMC catalysts Chemistry; Metallurgy 35 Active
US9896541B2 Highly active double metal cyanide catalysts and method for the production thereof Chemistry; Metallurgy 33 Active
US8969502B2 Process for preparing polydimethylsiloxanes on sulphonic acid cation exchange resins Emerging Cross-Sectional Technologies 31 Active
US10336856B2 Alkoxysilane- and allophanate-functionalized coating materials Chemistry; Metallurgy 31 Active

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.