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:
Dec. 25, 2001
Filed:
Feb. 09, 2000
Applicant:
Inventors:
Yasuo Imashiro, Tokyo, JP;
Ikuo Takahashi, Tokyo, JP;
Naofumi Horie, Tokyo, JP;
Shigekazu Suzuki, Tokyo, JP;
Assignee:
Nisshinbo Industries, Inc., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08J 1/104 ;
U.S. Cl.
CPC ...
C08J 1/104 ;
Abstract
A method for obtaining polyester resin products having a desired strength and a mixture used in a method for obtaining polyester resin products having a desired strength. In the method and mixture a carbodiimide compound is added to a polyester resin. According to the method and mixture, polyester resin pellets having a desired strength can be obtained by adding a carbodiimide compound to a recovered polyester resin such as a recovered PET resin. Strength of the polyester resin during processing of the polyester resin is maintained.