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. 22, 1994
Filed:
May. 24, 1991
Applicant:
Inventor:
Shiro Minayoshi, Akashi, JP;
Assignee:
Maruo Calcium Company Limited, Akashi, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08J / ; C09C / ;
U.S. Cl.
CPC ...
524425 ; 524430 ; 523514 ;
Abstract
A polyester composition is disclosed, which is characterized in that it contains, besides polyester, vaterite-type calcium carbonate obtainable through carbonation reaction of a calcium compound in a mixed medium of alcohol and water. The polyester composition is superior in compatibility between the polyester and the vaterite-type calcium carbonate.