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:
Jul. 12, 1977
Filed:
Mar. 12, 1975
Applicant:
Inventors:
Hiromitsu Tachibana, Takasago, JA;
Toshiaki Sasaki, Takasago, JA;
Toshiaki Sugita, Takasago, JA;
Kazuo Saito, Nishinomiya, JA;
Assignee:
Kanegafuchi Kagaku Kogyo Kabushiki Kaisha, Osaka, JA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ; C08F / ;
U.S. Cl.
CPC ...
526199 ; 526-4 ; 526200 ; 526201 ; 526202 ; 526217 ; 526233 ; 526234 ; 526238 ; 526344 ;
Abstract
A method of suspension polymerizing in an aqueous medium vinyl chloride or a mixture of 50% or more vinyl chloride and remainder other monomers copolymerizable therewith in the presence of an oil soluble initiator, a suspension stabilizer and 0.005 to 50 ppm of nitrite, and 10 to 1000 ppm of water soluble metallic salt, the parts being based on the amount of aqueous medium.