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:
Apr. 08, 2003
Filed:
Jun. 26, 2000
Applicant:
Inventors:
Barry J. Heitner, East Amherst, NY (US);
Clyde Spencer Hutchins, Boston, NY (US);
Assignee:
E. I. du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C 4/760 ;
U.S. Cl.
CPC ...
B29C 4/760 ;
Abstract
A process is disclosed for direct extrusion of an acrylic polymer highly filled with aluminum trihydroxide wherein a lubricant is introduced to permit the composition to be extruded at a temperature below about 200° C.