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:
Aug. 24, 1982
Filed:
Jan. 30, 1981
Applicant:
Inventors:
Hung S Park, Avon Lake, OH (US);
William D Ryan, Jr, Paducah, KY (US);
Harold L Paine, Wellington, OH (US);
Assignee:
The B. F. Goodrich Company, Akron, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B08B / ; B08B / ; B08B / ;
U.S. Cl.
CPC ...
134 2216 ; 134 2219 ; 134 38 ; 252 891 ; 252133 ; 25217421 ; 252558 ; 252D / ; 252D / ;
Abstract
Polymerization reactor surfaces coated with carboxyl containing polymers may be readily cleaned by filling the polymerization reactor with an aqueous solution of a surface active agent and a polyvalent metal salt and heating to remove the polymer coating.