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. 26, 1989
Filed:
Sep. 02, 1987
Applicant:
Inventor:
Richard C Chromecek, Litchfield, CT (US);
Assignee:
Bausch & Lomb Incorporated, Rochester, NY (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08F / ;
U.S. Cl.
CPC ...
526217 ; 526264 ; 526270 ; 5263171 ; 526310 ;
Abstract
A process for preparing hydrophilic polymeric beads by suspension polymerization of one or more hydrophilic monomers and a cross-linking monomer in the presence of a free radical initiator and a regenerator amine at a temperature between 15.degree. and 35.degree. C. The beads are useful as abrasives in various cleaning compositions.
Chromecek, Richard. (1989). Process for preparing polymeric beads (U.S. Patent No. 4870145). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4870145
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile