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.
Patent No.:
Date of Patent:
Dec. 15, 1987
Filed:
Aug. 16, 1985
Applicant:
Inventors:
Klaus Praefcke, Berlin, DE;
Bernd Kohne, Berlin, DE;
Eike Poetsch, Muhltal, DE;
Claus P Herz, Heidelberg, DE;
Assignee:
Merck Patent Gesellschaft mit beschrankter Haftung, Darmstadt, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09K / ; C09K / ; C09K / ; G02F / ;
U.S. Cl.
CPC ...
25229901 ; 2522996 ; 25229963 ; 252600 ; 252582 ; 428-1 ; 3503 / ; 528 25 ; 528 37 ; 528374 ; 525479 ;
Abstract
Polymer compositions exhibiting liquid-crystalline phases contain chemically bonded mesogenic groups of the formula Ia and/or Ib: ##STR1## in which Q.sup.1 is H, alkyl or alkoxy having 1-5 C atoms, F, Cl, Br or CN,
Quick Actions:
Praefcke, Klaus. (1987). Polymer compositions exhibiting liquid-crystalline phases (U.S. Patent No. 4713196). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4713196
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile