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:
Aug. 14, 1990
Filed:
Jun. 15, 1989
Applicant:
Inventors:
Joseph Z Pawlowski, Clarksburg, NJ (US);
Arakalgud V Ramamurthy, East Windsor, NJ (US);
Assignee:
Union Carbide Chemicals and Plastics Company, Inc., Danbury, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B29C / ; B29C / ; B29C / ;
U.S. Cl.
CPC ...
264 85 ; 264169 ; 2641761 ; 264564 ; 4253261 ; 4253761 ; 425461 ; 427135 ;
Abstract
A process for substantially eliminating surface melt fracture during extrusion of a thermoplastic polymer such as a molten narrow molecular weight distribution, linear, ethylene copolymer, by using a die having a die land region defining opposing surfaces at least one of which is coated with a composition containing about 80% to 99% nickel and about 1% to 20% phosphorous.