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:
Feb. 03, 1998
Filed:
Nov. 20, 1995
Applicant:
Inventors:
Hussain Ali Al Ghatta, Fiuggi, IT;
Dario Giordano, Tortona, IT;
Assignee:
Sinco Engineering S.p.A., , IT;
Primary Examiner:
Int. Cl.
CPC ...
C08G / ; C08F / ;
U.S. Cl.
CPC ...
5283082 ; 5283082 ; 5283083 ; 528481 ; 528492 ; 528502 ; 528503 ;
Abstract
Aromatic polyester resins are continuously crystallized in a fluid bed crystallizer, where the fluidizing gas (nitrogen) enters at a temperature not lower than 195.degree. C. and the average residence time is higher than 5 minutes.