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:
Nov. 07, 1989
Filed:
Sep. 27, 1988
Isao Kohmura, Nagaokakyo, JP;
Takao Senga, Nagaokakyo, JP;
Akira Furukawa, Nagaokakyo, JP;
Hirokazu Yamamoto, Nagaokakyo, JP;
Mamoru Nakatani, Nagaokakyo, JP;
Jun Yamada, Nagaokakyo, JP;
Mitsubishi Paper Mills, Ltd., Tokyo, JP;
Abstract
Disclosed is a process of developing images formed on a photosensitive material for electrophotography which does not cause the fogging originated from a pair of squeeze rolls made of materials different from each other and which includes the steps of developing the images with a liquid developer of the positive type containing a compound having a polyoxyethylene group or at least one compound selected from the group consisting of phosphate, sulfate and sulfonate salts having a group soluble in the carrier liquid and free from polyoxyethylene group.