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.

Date of Patent:
Jun. 17, 2003

Filed:

May. 20, 1997
Applicant:
Inventors:

Roland Moser, Basel, CH;

Daniel Bär, Riehen, CH;

Carl W. Mayer, Riehen, CH;

Assignee:

Vantico Inc., Brewster, NY (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B05D 5/12 ; B05D 3/02 ; B05D 1/18 ;
U.S. Cl.
CPC ...
B05D 5/12 ; B05D 3/02 ; B05D 1/18 ;
Abstract

The present invention relates to a process for preparing resin impregnated wire windings by trickling an impregnating resin onto a heated rotating winding or by dipping the heated rotating winding in a bath filled with an impregnating resin. The impregnating resin comprises an epoxy resin and an initiator for the polymerization of the epoxy resin. The initiator is either a selected compound that is activated by ultraviolet irradiation, a heat-activatible initiator, or a mixture thereof. The heat-activatible initiator is a mixture comprising at least one quarternary ammonium salt and at least one thermal radical former.


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