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. 14, 1987
Filed:
Jan. 02, 1986
Applicant:
Inventors:
Tetsuya Asahi, Yokkaichi, JP;
Hiroshi Kaneko, Yokkaichi, JP;
Yasushi Sakai, Yokkaichi, JP;
Akio Kiyohara, Yokkaichi, JP;
Tooru Iwashita, Yokkaichi, JP;
Assignee:
Toyo Soda Manufacturing Co., Ltd., Shin-Nanyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C08F / ;
U.S. Cl.
CPC ...
526 62 ; 5263442 ;
Abstract
A method of preventing the scale from sticking wherein, upon the polymerization of vinyl type monomers in aqueous medium, reaction products of liquid polybutadiene with phenolic compounds or reaction products between thermoplastic resin gathered from the stumps of pine, phenolic compounds and, if desired, aldehyde compounds are coated beforehand onto the inside face of polymerization vessel, and a preventive agent of scale from sticking are disclosed.