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, 1979
Filed:
Oct. 26, 1976
Applicant:
Inventors:
Tohru Koide, Yao, JP;
Tabashi Ezawa, Kashihara, JP;
Hideki Onoda, Settsu, JP;
Chiharu Masaki, Settsu, JP;
Tohru Morita, Osaka, JP;
Assignee:
Kanebo Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
526 59 ; 528309 ;
Abstract
In a continuous process for the production of ethylene terephthalate polyesters, when the control value for the viscosity which relates to the degree of the polymerization in a polymerization vessel exceeds a predetermined value, a desired command value of the viscosity at the output of the preceding polymerization vessel is automatically revised.