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:
Nov. 30, 1993
Filed:
Nov. 27, 1991
Applicant:
Inventors:
Kusay B Al-Jumah, Birmingham, AL (US);
Linwood P Tenney, Birmingham, AL (US);
Assignee:
Southern Research Institute, Birmingham, AL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B08B / ;
U.S. Cl.
CPC ...
134 42 ; 134 26 ; 134 27 ;
Abstract
Polyester and cellulosic contaminants are removed from the surfaces of polyolefins by contacting the polyolefins with an aqueous composition of alkali metal hydroxide and/or alkaline earth metal hydroxide; and with an oxidizing agent.