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:
Jan. 31, 1978
Filed:
Aug. 02, 1976
Applicant:
Inventors:
Edward Vanzo, Webster, NY (US);
Lewis S Smith, Penfield, NY (US);
Assignee:
Xerox Corporation, Stamford, CT (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ; C08F / ; C08F / ;
U.S. Cl.
CPC ...
526 88 ; 260 4253 ; 526202 ; 526329 ; 526346 ;
Abstract
A method of forming particles of between about 5 and about 50 microns utilizing a two stage process wherein monomer possibly containing pigments, dyes and/or fillers such as silicon and magnetite, as well as chemical reagents such as crosslinking agents and chain transfer agents, is sized to a narrow range by high shear mixing then polymerized during slow speed agitation to form polymeric particles.