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. 12, 1993
Filed:
Jun. 03, 1991
Applicant:
Inventors:
Mitsuru Hashimoto, Numazu, JP;
Tomoyuki Shimada, Numazu, JP;
Nobuo Suzuki, Kouriyama, JP;
Takayuki Sakai, Tokyo, JP;
Susumu Suzuka, Yono, JP;
Masaomi Sasaki, Susono, JP;
Assignees:
Ricoh Company, Ltd., Tokyo, JP;
Hodogaya Chemical Company, Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
549 59 ; 549 79 ; 564307 ; 564391 ; 564434 ;
Abstract
Polyolefin derivatives, which are useful not only as the photoconductive materials for electrophotography, but also as a charge transporting material employed in a function-separating type photoconductor which uses an organic or inorganic pigment as a charge generating material, and an electrophotographic photoconductor containing at least one of the above polyolefin derivatives in a photoconductive layer thereof, are disclosed.