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:
Mar. 09, 1993
Filed:
Mar. 30, 1992
Applicant:
Inventors:
C Andrew Jones, Newtown Square, PA (US);
Anne M Gaffney, West Chester, PA (US);
David W Leyshon, West Chester, PA (US);
Glenn E Cozzone, West Chester, PA (US);
John A Sofranko, West Chester, PA (US);
Assignee:
ARCO Chemical Technology, L.P., Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L / ;
U.S. Cl.
CPC ...
521 40 ; 521 48 ; 521 49 ;
Abstract
Thermoset polymers such as polyurethanes and unsaturated polyester resins may be conveniently converted into useful volatile lower molecular weight organic compounds. Fillers can be recovered from filled thermoset resins using the process of the invention, which employs a zeolite-containing particulate catalyst.