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:
Oct. 01, 2002
Filed:
Jul. 14, 1998
Applicant:
Inventor:
Hussain Al Ghatta, Fiuggi, IT;
Assignee:
Sinco Ricerche S.p.A., , IT;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B29D 2/200 ; B29B 1/700 ; B29C 7/100 ;
U.S. Cl.
CPC ...
B29D 2/200 ; B29B 1/700 ; B29C 7/100 ;
Abstract
Treatment for the dimensional stabilization of containers in PET or COPET obtained by injection-blow molding consisting in subjecting to beat treatment during the blowing phase, preforms obtained from PET or COPET upgraded in the solid state in the presence of small quantities (0.01-0.2% by weight) of a dianhydride of an aromatic tettacarboxylic acid, preferably pyromellitic dianhydride.