loadpatents
name:-0.0065658092498779
name:-0.020040035247803
name:-0.0014209747314453
Schaefer; Dietmar Patent Filings

Schaefer; Dietmar

Patent Applications and Registrations

Patent applications and USPTO patent grants for Schaefer; Dietmar.The latest application filed is for "upcycling process for processing silicone wastes".

Company Profile
0.17.3
  • Schaefer; Dietmar - Hattingen DE
  • Schaefer; Dietmar - Essen DE
  • Schaefer; Dietmar - both of Essen DE
*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.
Patent Activity
PatentDate
Upcycling Process For Processing Silicone Wastes
App 20220119617 - Knott; Wilfried ;   et al.
2022-04-21
Process for recycling silicones
Grant 11,286,366 - Knott , et al. March 29, 2
2022-03-29
Physical Reutilization Of Siliconized Sheets
App 20210301099 - Knott; Wilfried ;   et al.
2021-09-30
Process For Recycling Silicones
App 20200377686 - Knott; Wilfried ;   et al.
2020-12-03
Process for preparing acrylic esters and/or methacrylic esters of polyoxyalkylenes and the use thereof
Grant 6,268,521 - Gruning , et al. July 31, 2
2001-07-31
Organofunctional polysiloxanes for modifying the surface of finely divided particles
Grant 5,665,155 - Hohner , et al. September 9, 1
1997-09-09
Organopolysiloxane polyethers and their use as hydrolysis-resistant wetting agents in aqueous systems
Grant 5,401,871 - Feldmann-Krane , et al. March 28, 1
1995-03-28
Method for the synthesis of polyether siloxanes
Grant 5,391,679 - Burkhart , et al. February 21, 1
1995-02-21
Method for modifying the surface of finely divided particles by the application of organofunctional polysiloxanes
Grant 5,387,467 - Hohner , et al. February 7, 1
1995-02-07
Polyacrylate esters with long-chain hydrocarbon and polyoxyalkylene groups and their use as surface active substances
Grant 5,338,485 - Fock , et al. * August 16, 1
1994-08-16
Polyacrylate ester with long-chain alkoxylated hydrocarbonoxy groups and their use in cosmetics and personal grooming
Grant 5,296,573 - Esselborn , et al. * March 22, 1
1994-03-22
Method for modifying the surface of finely divided particles by the application of organofunctional polysiloxanes
Grant 5,281,478 - Hohner , et al. January 25, 1
1994-01-25
Methylpolysiloxanes with quaternary ammonium groups as corrosion inhibitors for preparations consisting predominantly of water
Grant 5,246,607 - Schaefer , et al. September 21, 1
1993-09-21
Polyacrylate esters with quaternary ammonium groups
Grant 5,057,580 - Fock , et al. October 15, 1
1991-10-15
Microcapsule and micromatrix bodies and method for their formation
Grant 4,931,362 - Zsifkovits , et al. June 5, 1
1990-06-05
Preparation for finishing textile fibers and products and textile products having improved handle
Grant 4,921,895 - Schaefer , et al. May 1, 1
1990-05-01
Diquaternary polysiloxanes, their synthesis and use in cosmetic preparations
Grant 4,891,166 - Schaefer , et al. January 2, 1
1990-01-02
Use of organosilicon compounds to thicken oils
Grant 4,844,826 - Schaefer , et al. July 4, 1
1989-07-04
Method for the preparation of polyurethane foams
Grant 4,837,244 - Burkhart , et al. June 6, 1
1989-06-06
Polyquaternary polysiloxane polymers, their synthesis and use in cosmetic preparations
Grant 4,833,225 - Schaefer , et al. May 23, 1
1989-05-23

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