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Detlef Lötzsch
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Berlin, DE
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Patents Grants
last 30 patents
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Patent Grant
Thermochromic material, molded article comprising said material and...
Patent number
9,193,863
Issue date
Nov 24, 2015
Fraunhofer-Gesellschaft zur Forderung der Angewandten Forschung E.V.
Detlef Lötzsch
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Thermochromic polymer layer and method for production thereof
Patent number
7,662,466
Issue date
Feb 16, 2010
Fraunhofer-Gesellschaft zur Forderung der Angwandten Forschung e.V.
Arno Seeboth
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Compounds having side chains with multiple methyl branches and thei...
Patent number
5,776,363
Issue date
Jul 7, 1998
Hoechst Aktiengesellschaft
Barbara Hornung
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Chiral esters of mesogenic carboxylic acids in liquid crystal phases
Patent number
5,043,095
Issue date
Aug 27, 1991
Hoechst Aktiengesellschaft
Christian Bahr
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Chiral esters of mesogenic carboxylic acids
Patent number
4,939,287
Issue date
Jul 3, 1990
Hoechst Aktiengesellschaft
Christian Bahr
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Use of compounds or mixtures of compounds which have a chiral, orth...
Patent number
4,927,244
Issue date
May 22, 1990
Hoechst Aktiengesellschaft
Christian Bahr
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Chiral phenolic esters of mesogenic carboxylic acids and their use...
Patent number
4,826,620
Issue date
May 2, 1989
Hoechst Aktiengesellschaft
Gerd Heppke
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Patents Applications
last 30 patents
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Patent Application
ELECTRICALLY CONTROLLED INTERFERENCE COLOR FILTER AND THE USE THEREOF
Publication number
20170371224
Publication date
Dec 28, 2017
Fraunhofer-Gesellschaft zur Forderung der angewandten Forschung e.V.
Arno SEEBOTH
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
THERMOCHROMIC MATERIAL, MOLDED ARTICLE COMPRISING SAID MATERIAL AND...
Publication number
20150247001
Publication date
Sep 3, 2015
Fraunhofer-Gesellschaft zur Forderung der angewandten Forschung e.V.
Detlef Lötzsch
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Composition for the preparation of a thermoset having thermochromic...
Publication number
20070152199
Publication date
Jul 5, 2007
Arno Seeboth
G02 - OPTICS
Information
Patent Application
Thermochromic polymer layer and layer and method for production the...
Publication number
20060246292
Publication date
Nov 2, 2006
FRAUNHOFER-GESELLSCHAFT ZUR FORDERUNG DER ANGWANDTEN FORSCHUNG E.V.
Arno Seeboth
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...