Patent number: 4882225
Abstract: A modified powder or particulate material having a silicone polymer film coated on substantially the entire surface thereof, this powder or particulate material being produced by bringing at least one silicone compound, in the form of a vapor, having the general formula (I):(R.sup.1 HSiO).sub.a (R.sup.2 R.sup.3 SiO).sub.b (R.sup.4 R.sup.5 R.sup.6 SiO.sub.1/2).sub.c (I)Wherein R.sup.1, R.sup.2, and R.sup.3 represent, independently, hydrogen or a hydrocarbon residue having 1 to 10 carbon atoms, which may be substituted with at least one halogen atom, provided that R.sup.1, R.sup.2, and R.sup.3 are not hydrogen at the same time, R.sup.4, R.sup.5, and R.sup.
Type:
Grant
Filed:
April 26, 1988
Date of Patent:
November 21, 1989
Assignee:
Shiseido Company Ltd.
Inventors:
Hiroshi Fukui, Ryujiro Namba, Tsutomu Saito, Yutaka Ohtsu, Asa Kimura, Motokiyo Nakano, Okitsugu Nakata, Kenichi Tommita, Kazuo Tokubo, Kazuhisa Ohno, Toshio Yoneyama, Takashi Ogawa, Hideo Morohoshi, Junichi Koyama, Taketoshi Kanda, Kunihiro Kawaguchi, Yuzo Shimizu
Patent number: 4801445
Abstract: A modified powder or particulate material having a silicone polymer film coated on substantially the entire surface thereof, this powder or particulate material being produced by bringing at least one silicone compound, in the form of a vapor, having the general formula (I):(R.sup.1 HSiO).sub.a (R.sup.2 R.sup.3 SiO).sub.b (R.sup.4 R.sup.5 R.sup.6 SiO.sub.1/2).sub.c (I)wherein R.sup.1, R.sup.2, and R.sup.3 represent, independently, hydrogen or a hydrocarbon residue having 1 to 10 carbon atoms, which may be substituted with at least one halogen atom, provided that R.sup.1, R.sup.2, and R.sup.3 are not hydrogen at the same time, R.sup.4, R.sup.5, and R.sup.
Type:
Grant
Filed:
June 17, 1986
Date of Patent:
January 31, 1989
Assignee:
Shiseido Company Ltd.
Inventors:
Hiroshi Fukui, Ryujiro Namba, Tsutomu Saito, Yutaka Ohtsu, Asa Kimura, Motokiyo Nakano, Okitsugu Nakata, Kenichi Tomita, Kazuo Tokubo, Kazuhisa Ohno, Toshio Yoneyama, Takashi Ogawa, Hideo Morohoshi, Junichi Koyama, Taketoshi Kanda, Kunihiro Kawaguchi, Yuzo Shimizu