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:
Jan. 02, 2001
Filed:
Apr. 23, 1999
Applicant:
Inventors:
Christoph Rickert, Reinach, CH;
Hugh Stephen Laver, Reinach, CH;
Assignee:
Vantico, Inc., Brewster, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 5/902 ; C08G 5/940 ; C08F 2/034 ; C08F / ; C07D / ;
U.S. Cl.
CPC ...
C08G 5/902 ; C08G 5/940 ; C08F 2/034 ; C08F / ; C07D / ;
Abstract
The present invention is directed to a polyglycidyl compound having on average more than two, preferably more than two and a half, particularly preferably more than three, glycidyl groups per molecule and a T,value (determined by DSC, heating rate=20° C./min) higher than 20° C., based on a polyfunctional 1,1′-spirobisindane of formula I or on a mixture of different polyfunctional 1,1′-spirobisindanes of the general formula I