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. 27, 1976
Filed:
Jan. 28, 1974
Applicant:
Inventors:
Tadashi Yamaguchi, Sendai, JA;
Takayuki Ono, Sendai, JA;
Hiroshi Hoshi, Narashino, JA;
Michio Hirakawa, Ichikawa, JA;
Isao Watanabe, Ichikawa, JA;
Assignee:
Mitsui Toatsu Kagaku Kabushiki Kaisha, Tokyo, JA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B / ; B32B / ;
U.S. Cl.
CPC ...
428406 ; 264109 ; 427221 ; 428404 ; 428407 ;
Abstract
Particulate solids are coated with a polymer by bringing a particulate solid selected from glass particles, abrasive particles and sand particles into contact with a vinyl monomer in the presence of a polymerization intiator consisting essentially of bisulfite ions.