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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.:

US 5696176 B1

PDFFull Text
Date of Patent:
Dec. 09, 1997

Filed:

Sep. 22, 1995

Foamable polyester compositions having a low level of unreacted

Applicant:
Inventors:

Kishan Chand Khemani, Johnson City, TN (US);

Carlos Humberto Juarez-Garcia, Blountville, TN (US);

Gary Darrel Boone, Johnson City, TN (US);

Assignee:

Eastman Chemical Company, Kingsport, TN (US);

Attorneys:

Tubach; Cheryl J.

Gwinnell; Harry J.

Primary Examiner:

Morton Foelak

Int. Cl.
CPC ...
C08J / ; C08J / ;
U.S. Cl.
CPC ...
521 81 ; 264 50 ; 264 54 ; 521 79 ; 521138 ;
Abstract

This invention relates to a process for preparing foamable branched polyester compositions having increased melt viscosity and melt strength, and a reduced level of unreacted monomeric branching agent. The process involves melt blending (A) a composition containing a polyolefin and branching agent, (B) a nucleating agent either in powder form or (B') in the form of a composition containing a polyolefin and nucleating agent, and a polyester.

Find Patent Forward Citations

Khemani, Kishan. (1997). Foamable polyester compositions having a low level of unreacted (U.S. Patent No. 5696176). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5696176

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

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