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:
Apr. 14, 1998
Filed:
May. 29, 1997
Applicant:
Inventors:
Hussain Al Ghatta, Fiuggi, IT;
Dario Giordano, Tortona, IT;
Assignee:
Sinco Engineering, S.p.A., , IT;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ;
U.S. Cl.
CPC ...
528492 ; 528296 ; 528302 ; 528308 ; 528481 ; 528491 ; 528492 ; 528503 ; 525437 ;
Abstract
Process for the production of aromatic polyester resins by polycondensation in the solid state of resins with intrinsic viscosity comprised between 0.1 and 0.45 dl/g, in which the ratio by weight between the hourly flow speed of the inert gas fed to the reactor and the hourly flow speed of the fed polymer is comprised between 0.1 and 0.6.