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. 15, 1992
Filed:
Mar. 01, 1991
Applicant:
Inventors:
Mark S Frazza, Philadelphia, PA (US);
Kim S Ho, Richboro, PA (US);
Alexander Kowalski, Plymouth Meeting, PA (US);
Robert R Raney, Newtown Square, PA (US);
Martin Vogel, Jenkintown, PA (US);
Assignee:
Rohm and Haas Company, Philadelphia, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ;
U.S. Cl.
CPC ...
525243 ; 525260 ; 525265 ; 525313 ; 521 56 ; 521 59 ; 521117 ; 521131 ; 521142 ; 521146 ; 526201 ; 526209 ;
Abstract
Uniformly sized polymer particles of 1-50 .mu.m diameter are made by gradually combining a water-insoluble monomer mixture with an aqueous dispersion of emulsion-polymerized polymer particles in the presence of a dispersion stabilizer and an oil-soluble, free-radical polymerization initiator.
Frazza, Mark. (1992). Process for making controlled, uniform-sized particles in the 1 to 50 (U.S. Patent No. 5147937). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5147937
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile