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. 24, 2011
Filed:
Jul. 27, 2006
Thomas Klettke, Diessen, DE;
Cornelia B. Fuehrer, Wertach, DE;
Andrea Hailand, Mauerstetten, DE;
Markus Mikulla, Andechs-Frieding, DE;
Thomas Klettke, Diessen, DE;
Cornelia B. Fuehrer, Wertach, DE;
Andrea Hailand, Mauerstetten, DE;
Markus Mikulla, Andechs-Frieding, DE;
3M Innovative Properties Company, St. Paul, MN (US);
Abstract
The invention relates to an initiator comprising at least one structural element characterized by the following formula (I) wherein Xis a non or low coordinating anion, R1, R2, R3, R4 are independently linear, cyclic or branched C-Calkyl or alkylene groups, wherein one or more of the methylene groups contained in the alkyl or alkylene group can be substituted by —CO—, —CONH—, —CON(CH)—, —S— and/or —O—, and wherein R1, R2, R3 and/or R4 can act as a bridging element connecting two or more structural elements. The invention is also related to a process of producing the initiator and to a curable composition comprising the initiator, a process for producing the curable composition a kit comprising a cationically curable composition and the inventive initiator and the use of the initiator or the curable composition comprising the initiator for various applications, especially in the dental field.