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:
Jan. 28, 1997
Filed:
Sep. 14, 1995
Applicant:
Inventors:
Robert A Romine, Pasco, WA (US);
Lesley J Snowden-Swan, Benton City, WA (US);
Assignee:
Battelle Memorial Institute, Richland, WA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C12M / ; C12R / ;
U.S. Cl.
CPC ...
521 41 ; 521 45 ; 435130 ; 435166 ; 435167 ; 435262 ;
Abstract
The invention is a method of using enzymes from thiophyllic microbes for selectively breaking the sulfur rubber cross-link bonds in vulcanized rubber. The process is halted at the sulfoxide or sulfone step so that a devulcanized layer is reactive with virgin rubber.