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.

Date of Patent:
Aug. 17, 1993

Filed:

Jun. 19, 1992
Applicant:
Inventor:

Frank R Jones, Asheville, NC (US);

Assignee:

BASF Corporation, Parsippany, NJ (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D01F / ; D01F / ;
U.S. Cl.
CPC ...
264 78 ; 264211 ; 26421122 ; 26421123 ;
Abstract

Additives are introduced into a thermoplastic melt by feeding at least one additive in an aqueous vehicle containing a dispersant to form an aqueous additive stream to a vented extruder which is extruding a thermoplastic followed by volatilizing an aqueous portion of the aqueous additive stream and removing substantially all the volatilized aqueous portion through the extruder vent to achieve a substantially homogeneous system containing the thermoplastic and at least one additive and forming a fiber from the homogeneous system by extrusion of the system through a spinneret.


Find Patent Forward Citations

Jones, Frank. (1993). Addition of additives to polymeric materials (U.S. Patent No. 5236645). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5236645

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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