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. 15, 1988
Filed:
Mar. 28, 1986
Applicant:
Inventor:
Alvin S Topolski, Wilmington, DE (US);
Assignee:
E. I. Du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C / ;
U.S. Cl.
CPC ...
264503 ; 264515 ; 264540 ; 264173 ; 425523 ; 425532 ; 425380 ; 425381 ;
Abstract
Seamless, molded, thermoplastic articles having a laminar, multi-component composition with a heterogeneous blend of incompatible polymers--at least one as a matrix and at least one as a discontinuous phase, are manufactured by (1) heating the blend above the melting point of the highest melting polymer component, and (2) molding the melted blend to have a knit line curved through the thickness of the article resulting from such molding.
Topolski, Alvin. (1988). Process for manufacturing a seamless laminar article (U.S. Patent No. 4731216). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4731216
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile