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:
May. 13, 1997
Filed:
May. 24, 1995
Applicant:
Inventors:
Jean-Pierre Wolf, Courtaman, CH;
Adrian Schulthess, Tentlingen, CH;
Bettina Steinmann, Praroman, CH;
Max Hunziker, Dudingen, CH;
Assignee:
Ciba-Geigy Corporation, Tarrytown, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03C / ; C08F / ; C08L / ;
U.S. Cl.
CPC ...
430269 ; 522148 ; 522182 ; 264236 ; 264347 ; 264401 ;
Abstract
Liquid radiation-curable formulation, in particular for stereolithography, based on at least one compound that contains radically polymerizable groups, and at least one photoinitiator suitable for the polymerization, which formulation additionally contains a polyoxyalkylene-polysiloxane block copolymer that is selected from copolymers of the chemical formulae ##STR1## wherein: R.sup.1 is a hydrogen atom or a C.sub.1 -C.sub.8 alkyl group;