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:
Oct. 28, 1997
Filed:
Aug. 02, 1995
Applicant:
Inventors:
Michiko Tamano, Tokyo, JP;
Toshikazu Onikubo, Tokyo, JP;
Toshiyuki Uemura, Tokyo, JP;
Tadashi Ogawa, Tokyo, JP;
Toshio Enokida, Tokyo, JP;
Assignee:
Toyo Ink Manufacturing Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; H05B / ;
U.S. Cl.
CPC ...
428690 ; 4284111 ; 428457 ; 428704 ; 428917 ; 313504 ; 313506 ;
Abstract
Hole-transporting materials of the following formula (1) have excellent hole-transporting capability and excellent durability,
Tamano, Michiko. (1997). Hole-transporting material and use thereof (U.S. Patent No. 5681664). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5681664
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile