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. 18, 1990
Filed:
Sep. 13, 1988
Applicant:
Inventors:
Michio Kawamura, Iyomishima, JP;
Yasunori Shimada, Iyomishima, JP;
Koichi Inoshita, Iyomishima, JP;
Shozo Yoshida, Iyomishima, JP;
Toshiaki Kawanabe, Iyomishima, JP;
Haruo Hattori, Iyomishima, JP;
Yukio Doi, Katashima, JP;
Mamoru Awano, Ibaraki, JP;
Assignees:
Taio Paper Manufacturing Co., Ltd., Tokyo, JP;
Showa High Polymer Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01J / ; B01J / ; B41M / ;
U.S. Cl.
CPC ...
264-47 ; 264-43 ; 42840221 ; 428914 ; 503214 ; 503215 ;
Abstract
An improved in-situ polymerization method is provided for easily producing a good slurry of strong, dense, water-resistant and anti-hygroscopic microcapsules made of an amino resin of either of melamine-formaldehyde series or the ureaformaldehyde series, in a high concentration of microcapsules, and a low viscosity.