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. 08, 2001
Filed:
Jul. 23, 1997
Applicant:
Inventor:
Hussain Al Ghatta, Fiuggi, IT;
Assignee:
Sinco Engineering S.p.A., , IT;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B29C 4/788 ;
U.S. Cl.
CPC ...
B29C 4/788 ;
Abstract
Process for the crystallization of aromatic polyester resins having IV between 0,5 and 0.7 dl/g wherein the resin is extruded in the form of a strand at extruder exit or the chips obtained by cutting the strand are crystallized maintaining them at temperature between 160° C. and 220° C. for sufficient time to obtain a crystallized product wherein the DSC curves do not show the presence of practically any premelt peaks.