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:
Sep. 30, 2014
Filed:
Mar. 04, 2011
Nobuyuki Mase, Shizuoka, JP;
Takeshi Sako, Shizuoka, JP;
Idzumi Okajima, Shizuoka, JP;
Shunsuke Mori, Shizuoka, JP;
Keishi Mizuno, Shizuoka, JP;
Yoshitaka Yamauchi, Shizuoka, JP;
Taichi Nemoto, Shizuoka, JP;
Chiaki Tanaka, Shizuoka, JP;
Satoyuki Sekiguchi, Kanagawa, JP;
Jyun Ishiduka, Shizuoka, JP;
Nobuyuki Mase, Shizuoka, JP;
Takeshi Sako, Shizuoka, JP;
Idzumi Okajima, Shizuoka, JP;
Shunsuke Mori, Shizuoka, JP;
Keishi Mizuno, Shizuoka, JP;
Yoshitaka Yamauchi, Shizuoka, JP;
Taichi Nemoto, Shizuoka, JP;
Chiaki Tanaka, Shizuoka, JP;
Satoyuki Sekiguchi, Kanagawa, JP;
Jyun Ishiduka, Shizuoka, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
A method for producing polymer particles, including (A) polymerizing and granulating a ring-opening polymerizable monomer in a compressive fluid with a catalyst in the presence of a surfactant, or (B) polymerizing and granulating an addition polymerizable monomer in a compressive fluid in the presence of a silicone surfactant.