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:
May. 05, 1998
Filed:
Jun. 27, 1996
Applicant:
Inventors:
William G Hager, Westerville, OH (US);
Edward L Wilson, Newark, OH (US);
Paul R Krumlauf, Thornville, OH (US);
Assignee:
Owens-Corning Fiberglas Technology, Inc., Summit, IL (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ;
U.S. Cl.
CPC ...
525445 ; 528272 ; 528296 ; 528300 ; 528302 ; 528303 ; 528306 ; 528307 ; 528308 ; 525 43 ; 525 44 ; 525168 ; 525437 ; 523514 ; 526323 ; 5263285 ;
Abstract
A sheet molding composition is provided which exhibits controllable thickening. The composition includes a low molecular weight polyester in which some of the chain ends have been endcapped with functional groups which are unable to react with the thickeners employed in the sheet molding composition. The sheet molding composition has a low viscosity of from about 6 to about 20 million centipoise which allows molding at low pressures of from about 100 to about 300 psi.