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:
Sep. 09, 1997
Filed:
Jan. 31, 1995
Applicant:
Inventors:
Peter I Chang, Terre Haute, IN (US);
Carl D Ray, Terre Haute, IN (US);
Assignee:
Tredegar Industries, Inc., Richmond, VA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L / ;
U.S. Cl.
CPC ...
525185 ; 525186 ; 525187 ; 525 57 ;
Abstract
The present invention relates to degradable thermoplastic compositions comprising at least one polycaprolactone property modifier blended with at least one water soluble polymer and/or at least one alkaline soluble polymer. Articles produced with this composition have a long and useful life under dry or aqueous conditions. When such articles are exposed to a hot aqueous alkaline solution, the composition dissolves and is readily disposed.