Inventor
SCHAEFER DIETMAR
DE34 patents
⚠️ This page may combine multiple inventors who share the name “SCHAEFER DIETMAR”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
GOLDSCHMIDT AG TH
28 patentsUS4891166AJan 2, 1990
Diquaternary polysiloxanes, their synthesis and use in cosmetic preparations
GOLDSCHMIDT AG TH152 citations98
US5133898AJul 28, 1992
Manufacturing polyacrylate esters with long-chain hydrocarbon and polyoxyalkylene groups
GOLDSCHMIDT AG TH79 citations96
US5401871AMar 28, 1995
Organopolysiloxane polyethers and their use as hydrolysis-resistant wetting agents in aqueous systems
GOLDSCHMIDT AG TH96 citations95
US4833225AMay 23, 1989
Polyquaternary polysiloxane polymers, their synthesis and use in cosmetic preparations
GOLDSCHMIDT AG TH120 citations95
US5004559AApr 2, 1991
Polyoxyalkylene-polysiloxane block copolymers as demulsifiers for water-containing oil
GOLDSCHMIDT AG TH35 citations93
US4844826AJul 4, 1989
Use of organosilicon compounds to thicken oils
GOLDSCHMIDT AG TH26 citations93
US6288129B1Sep 11, 2001
Process for preparing acrylic esters and/or methacrylic esters of hydroxy-functional siloxanes and/or polyoxyalkylene-modified siloxanes and their use
GOLDSCHMIDT AG TH52 citations92
US6268521B1Jul 31, 2001
Process for preparing acrylic esters and/or methacrylic esters of polyoxyalkylenes and the use thereof
GOLDSCHMIDT AG TH28 citations92
US5486634AJan 23, 1996
Method for the preparation of organopolysiloxanes with secondary aminoalkyl groups linked through a carbon atom to a silicon atom
GOLDSCHMIDT AG TH36 citations92
US5391679AFeb 21, 1995
Method for the synthesis of polyether siloxanes
GOLDSCHMIDT AG TH20 citations92
US5338485AAug 16, 1994
Polyacrylate esters with long-chain hydrocarbon and polyoxyalkylene groups and their use as surface active substances
GOLDSCHMIDT AG TH41 citations92
US4921895AMay 1, 1990
Preparation for finishing textile fibers and products and textile products having improved handle
GOLDSCHMIDT AG TH34 citations92
US5665155ASep 9, 1997
Organofunctional polysiloxanes for modifying the surface of finely divided particles
GOLDSCHMIDT AG TH21 citations91
US5387467AFeb 7, 1995
Method for modifying the surface of finely divided particles by the application of organofunctional polysiloxanes
GOLDSCHMIDT AG TH27 citations91
US5246607ASep 21, 1993
Methylpolysiloxanes with quaternary ammonium groups as corrosion inhibitors for preparations consisting predominantly of water
GOLDSCHMIDT AG TH24 citations91
US5744523AApr 28, 1998
Use of polyacrylate esters as dispersants
GOLDSCHMIDT AG TH35 citations89
US5296573AMar 22, 1994
Polyacrylate ester with long-chain alkoxylated hydrocarbonoxy groups and their use in cosmetics and personal grooming
GOLDSCHMIDT AG TH10 citations74
US5115040AMay 19, 1992
Polyacrylate esters with quaternary ammonium groups
GOLDSCHMIDT AG TH10 citations74
US5115039AMay 19, 1992
Polyacrylate esters with quaternary ammonium groups
GOLDSCHMIDT AG TH6 citations74
US5057579AOct 15, 1991
Polyacrylate esters with quaternary ammonium groups
GOLDSCHMIDT AG TH12 citations74
US5057580AOct 15, 1991
Polyacrylate esters with quaternary ammonium groups
GOLDSCHMIDT AG TH7 citations74
US5208311AMay 4, 1993
Organopolysiloxanes with polyether and ester groups linked to a common spacer group
GOLDSCHMIDT AG TH10 citations73
US5281478AJan 25, 1994
Method for modifying the surface of finely divided particles by the application of organofunctional polysiloxanes
GOLDSCHMIDT AG TH13 citations72
US5344949ASep 6, 1994
Method for the synthesis of surface-active anion-cation complexes
GOLDSCHMIDT AG TH5 citations63
US5189184AFeb 23, 1993
2-(3'-butenyl)-3,4-dihydro-2h-pyrans, their synthesis and use
GOLDSCHMIDT AG TH2 citations63
US5281687AJan 25, 1994
Polysiloxanes with at least one sulfatohexyl group linked by an Si-C bond
GOLDSCHMIDT AG TH5 citations62
US4894175AJan 16, 1990
Crude oil with a depressed pour point
GOLDSCHMIDT AG TH6 citations61
US4837244AJun 6, 1989
Method for the preparation of polyurethane foams
GOLDSCHMIDT AG TH5 citations57
EVONIK OPERATIONS GMBH
3 patentsUS11286366B2Mar 29, 2022
Process for recycling silicones
EVONIK OPERATIONS GMBH8 citations86
US11732092B2Aug 22, 2023
Upcycling process for processing silicone wastes
EVONIK OPERATIONS GMBH0 citations62
US11591448B2Feb 28, 2023
Physical reutilization of siliconized sheets
EVONIK OPERATIONS GMBH1 citations62