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:
Sep. 06, 1983
Filed:
Jun. 18, 1981
Applicant:
Inventor:
Carol R Jones, San Jose, CA (US);
Assignee:
International Business Machines Corporation, Armonk, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K / ; G02F / ;
U.S. Cl.
CPC ...
350357 ; 252600 ;
Abstract
A display device containing an electrochromic solution comprising a para substituted triphenylamine compound having the formula ##STR1## wherein R is lower alkoxy, lower alkyl or halogen.
Jones, Carol. (1983). Materials for electrochromic display devices (U.S. Patent No. 4402573). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4402573
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile