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Patents Grants
last 30 patents
Information
Patent Grant
Homogenous, particularly multicolor-structured synthetic resin shee...
Patent number
5,244,942
Issue date
Sep 14, 1993
Huels Troisdorf AG
Alexander Hover
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Process for manufacturing nonwoven materials such as floor or wall...
Patent number
5,179,149
Issue date
Jan 12, 1993
Huels Troisdorf AG
Alexander Hover
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
Moulding material made from elastomeric polyolefin rubbers, polyeth...
Patent number
5,177,139
Issue date
Jan 5, 1993
Huels Troisdorf Aktiengesellschaft
Karlo Klaar
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for the preparation of an open-pore foam from essentially i...
Patent number
5,084,101
Issue date
Jan 28, 1992
Huels Troisdorf AG
Hans W. Engels
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Casting resins based on acrylic acid esters
Patent number
5,079,286
Issue date
Jan 7, 1992
Huels Troisdorf AG
Horst Hanisch
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Foldable foam mat
Patent number
5,051,293
Issue date
Sep 24, 1991
Huels Troisdorf AG
Hans-Ulrich Breitscheidel
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Zirconium chelates, their preparation, and their use in printing inks
Patent number
5,021,596
Issue date
Jun 4, 1991
Huels Troisdorf Aktiengesellschaft
Dieter Barfurth
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Vehicle with vehicle door and door gasket
Patent number
5,020,277
Issue date
Jun 4, 1991
Huels Troisdorf Aktiengesellschaft
Edmund Hellriegel
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Method for the preparation of organosilanes containing methacryloxy...
Patent number
4,946,977
Issue date
Aug 7, 1990
Huels Troisdorf AG
Gunther Bernhardt
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Titanium(IV)-chelates and their use in printing inks
Patent number
4,931,094
Issue date
Jun 5, 1990
Huels Troisdorf AG
Dieter Barfurth
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Condensed acetoacetic acid ester titanium chelates and process for...
Patent number
4,924,016
Issue date
May 8, 1990
Huels Troisdorf AG
Dieter Barfurth
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the production of dyed, flat articles from thermoplasti...
Patent number
4,923,658
Issue date
May 8, 1990
Huels Troisdorf AG
Alexander Hover
B44 - DECORATIVE ARTS
Information
Patent Grant
Multi-ply weatherable plasticizer-free sheet
Patent number
4,917,944
Issue date
Apr 17, 1990
Huels Troisdorf Aktiengesellschaft
Hans-Ulrich Breitscheidel
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Compositions based on titanium chelates of diols and titanium acylates
Patent number
4,909,846
Issue date
Mar 20, 1990
Huels Troisdorf AG
Dieter Barfurth
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method for the production of benzene carboxylic acids and benzene d...
Patent number
4,908,471
Issue date
Mar 13, 1990
Huels Troisdorf AG
Hans Leuck
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Alcohol-free orthoesters of zirconium and hafnium and method for th...
Patent number
4,891,439
Issue date
Jan 2, 1990
Huels Troisdorf AG
Udo Horns
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Multilayer composite sheet, especially for use as a padding layer u...
Patent number
4,882,208
Issue date
Nov 21, 1989
Huels Troisdorf AG
Hans-Ulrich Breitscheidel
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information
Patent Grant
Method and apparatus for the preparation of cyanoalkyl-alkoxysilanes
Patent number
4,876,337
Issue date
Oct 24, 1989
Huels Troisdorf AG
Hartwig Rauleder
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for the preparation of partial esters and ortho esters of ti...
Patent number
4,824,979
Issue date
Apr 25, 1989
Huels Troisdorf AG
Hans-Joachim Kotzsch
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for the cleavage of organic siloxanes, and products and appl...
Patent number
4,824,982
Issue date
Apr 25, 1989
Huels Troisdorf AG
Hans-Joachim Vahlensieck
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Sealing composition for soil barriers
Patent number
4,822,420
Issue date
Apr 18, 1989
Huels Troisdorf AG
Rudolf Burkhardt
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Radiation-curable macromers based on (meth)acrylate-functional poly...
Patent number
4,822,829
Issue date
Apr 18, 1989
Huels Troisdorf Aktiengesellschaft
Hartmut Muller
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Pressure-sensitive adhesives based on radiation-curable polyesters...
Patent number
4,820,745
Issue date
Apr 11, 1989
Huels Troisdorf Aktiengesellschaft
Hartmut Muller
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Method for the preparation of orthoesters of titanium, zirconium or...
Patent number
4,789,752
Issue date
Dec 6, 1988
Huels Troisdorf Aktiengesellschaft
Hans-Joachim Kotzsch
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Method for the preparation of 1,2-dichloroethane
Patent number
4,783,564
Issue date
Nov 8, 1988
Huels Troisdorf AG
Bernhard Piotrowski
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Multi-ply self-adhesive and deep-drawable protective sheet, especia...
Patent number
4,751,121
Issue date
Jun 14, 1988
Huels Troisdorf Aktiengesellschaft
Werner Kuhnel
B60 - VEHICLES IN GENERAL
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
74291809 - DYNOS
Serial number
74291809
Registration number
1799350
Filing date
Jul 7, 1992
HUELS TROISDORF AG
17 - Rubber, gutta-percha, gum, asbestos, mica and goods made from these materials and not included in other classes
Information
Trademark
73836831 - TROVICEL
Serial number
73836831
Registration number
1618794
Filing date
Nov 7, 1989
HUELS TROISDORF AG
17 - Rubber, gutta-percha, gum, asbestos, mica and goods made from these materials and not included in other classes