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:
Apr. 04, 1989
Filed:
Jul. 25, 1986
Hiroshi Fukui, Yokohama, JP;
Ryujiro Namba, Yokohama, JP;
Tsutomu Saito, Yokohama, JP;
Yutaka Ohtsu, Yokohama, JP;
Asa Kimura, Yokohama, JP;
Motokiyo Nakano, Yokohama, JP;
Okitsugu Nakata, Yokohama, JP;
Kenichi Tomita, Yokohama, JP;
Kazuo Tokubo, Yokohama, JP;
Kazuhisa Ohno, Yokohama, JP;
Toshio Yoneyama, Yokohama, JP;
Takashi Ogawa, Yokohama, JP;
Hideo Morohoshi, Yokohama, JP;
Junichi Koyama, Yokohama, JP;
Taketoshi Kanda, Yokohama, JP;
Kunihiro Kawaguchi, Yokohama, JP;
Yuzo Shimizu, Yokohama, JP;
Shiseido Company Ltd., Tokyo, JP;
Abstract
A modified powder or particulate material coated on substantially the entire surface thereof with a film of a silicone polymer carrying a pendant group thereon, this powder or particulate material being produced by a process comprising the steps of