The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jun. 24, 1997

Filed:

Nov. 09, 1995
Applicant:
Inventors:

Juergen Stohrer, Munchen, DE;

Franz-Heinrich Kreuzer, Martinsried, DE;

Hans-Joachim Luckas, Munchen, DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528 15 ; 528 25 ; 528 26 ; 528 31 ;
Abstract

Liquid-crystalline polyorganosiloxanes containing methacryloxy and/or acryloxy groups are prepared by reaction of polyorganosiloxanes containing hydrogen atoms bonded directly to silicon atoms with alkenes and/or alkynes containing mesogenic groups in two steps, wherein the polyorganosiloxanes mentioned are reacted in a first step with alkene and/or alkyne containing mesogenic groups and are reacted in a second step with an alkene and/or alkyne containing at least one methacryloxy and/or acryloxy group and mesogenic groups.


Find Patent Forward Citations

Stohrer, Juergen. (1997). Process for the preparation of liquid-crystalline polyorganosiloxanes (U.S. Patent No. 5641850). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5641850

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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