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:
Jun. 13, 1978
Filed:
May. 20, 1976
Applicant:
Inventor:
Kenji Naito, Odawara, JA;
Assignee:
Fuji Photo Film Co., Ltd., Minami-ashigara, JA;
Primary Examiner:
Int. Cl.
CPC ...
C08L / ;
U.S. Cl.
CPC ...
260 / ; 96 67 ; 260-8 ; 260 / ; 260 / ;
Abstract
A process for producing finely divided polymer particles which is characterized by using a water drop containing polymer emulsion which is produced by a process comprising dissolving a copolymer containing about 10 to about 70 mol% of a carboxyl group containing vinyl compound in a solvent mixture consisting of about 20 to about 90 weight% of sec-butanol or tert-butanol and about 10 to about 80% by weight of another hydrophobic organic solvent and dispersing the resultant solution in an aqueous medium.