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. 26, 1998
Filed:
Mar. 04, 1997
Applicant:
Inventors:
John S Locke, Seaford, DE (US);
Paul Sheldon Pearlman, Thornton, PA (US);
Caroline Tjhen Shibata, Newark, DE (US);
Kenneth J Tadler, Wilmington, DE (US);
Assignee:
E. I. du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C / ; D01F / ;
U.S. Cl.
CPC ...
264 407 ; 264 78 ; 264211 ;
Abstract
A process for producing solution dyed extruded articles from thermoplastic polymer wherein each colorant is contained in a separate color concentrate and each concentrate is fed to an extruder through a separate gravimetric feeder where the concentrates are melt blended with the thermoplastic polymer prior to extruding.
Quick Actions:
Locke, John. (1998). Method for producing solution dyed articles from thermoplastic polymers (U.S. Patent No. 5756020). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5756020
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile