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:
Oct. 13, 1998
Filed:
Aug. 13, 1997
Applicant:
Inventors:
Antonius Johannes Buser, Wehl, NL;
Jan Andre Schutyser, Dieren, NL;
Assignee:
Akzo Nobel NV, Arnhem, NL;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528 89 ; 528 94 ; 528103 ; 528118 ; 525504 ; 525506 ; 525525 ; 525538 ; 428901 ;
Abstract
The invention pertains to an adduct obtainable by condensation of a bisepoxy compound and a P-guanamine according to the formula ##STR1## wherein X is CR.sub.3 R.sub.4 --(CR.sub.1 R.sub.2).sub.n --CR.sub.5 R.sub.6 or o-phenylidene, n is 0 or 1, and R.sub.1 -R.sub.8 may be the same or different and represent H, methyl or ethyl, and the molar ratio P-guanamine: bisepoxide is 0.60 to 0.35. The adduct is used in the manufacture of synthetic materials, notably printed wiring boards (PWBs).