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:
Aug. 15, 1978
Filed:
Oct. 07, 1975
Applicant:
Inventors:
Jan van der Veen, Eindhoven, NL;
Theodorus Cornelis Hegge, Eindhoven, NL;
Assignee:
U.S. Philips Corporation, New York, NY (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
260404 ; 2604 / ; 2604 / ; 2604 / ; 252299 ; 350350 ;
Abstract
Liquid crystalline 2,3-diphenyl acrylonitrile derivatives, i.e., 2-(p-ethoxyphenyl)-3-(p-hexyloxyphenyl) acrylonitrile, exhibit dynamic scattering in an electrical field and are useful in electro-optic displays and as solvents in E.S.R. and N.M.R. spectroscopy.
van der Veen, Jan. (1978). Liquid crystalline compounds (U.S. Patent No. 4107189). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4107189
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile