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:
Sep. 02, 1997
Filed:
Jan. 18, 1996
Applicant:
Inventors:
Keiichi Sato, Yokohama, JP;
Eitaro Takahashi, Yokohama, JP;
Yoshifumi Tanihara, Yokohama, JP;
Yasuhiro Wada, Yokohama, JP;
Assignee:
Mitsubishi Chemical Corporation, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07F / ;
U.S. Cl.
CPC ...
558156 ;
Abstract
A bisphosphite compound of the following formula (I): ##STR1## wherein W is a substituted or unsubstituted arylene group, L is a substituted or unsubstituted alkylene or alkenylene group, X is an oxygen atom, and each of R.sup.1 to R.sup.4 which are the same or different, is a substituted or unsubstituted alkyl, aryl, alkylaryl, arylalkyl or alicyclic group, or R.sup.1 and R.sup.2, and/or R.sup.3 and R.sup.4, bond to each other to form a ring.