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. 15, 1989
Filed:
Feb. 29, 1988
Applicant:
Inventors:
Murali K Akkapeddi, Morris Plains, NJ (US);
Jay A Gervasi, Succasunna, NJ (US);
Assignee:
Allied-Signal Inc., Morris Township, Morris County, NJ (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08F / ; C08F / ; C08L / ; C08L / ;
U.S. Cl.
CPC ...
525437 ; 525419 ;
Abstract
High molecular weight polyethylene terephthalate resins in which there is used a chain extending agent having the formula: ##STR1## wherein A is any hydrocarbon group having the necessary number of available valences to bound itself to all of the acyl groups of the compound, Y is at least 1 and x is an integer of from 6 to 12. Preferably, the chain extending agent is a bisacyllactam, such as terephthaloyl bislaurolactam. The chain extending agent can be used in combination with a carboxyl reactive compound.