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:
Mar. 14, 2017
Filed:
Sep. 25, 2013
Emmanouil Spyrou, Schermbeck, DE;
Manfred Kreczinski, Herne, DE;
Holger Loesch, Herne, DE;
Andrea Thesing, Ahaus, DE;
Lars Hellkuhl, Gescher, DE;
Emmanouil Spyrou, Schermbeck, DE;
Manfred Kreczinski, Herne, DE;
Holger Loesch, Herne, DE;
Andrea Thesing, Ahaus, DE;
Lars Hellkuhl, Gescher, DE;
EVONIK DEGUSSA GmbH, Essen, DE;
Abstract
The present invention relates to a composition comprising (A) an isocyanate of formula (I) OCN-A-SiRRR(I), wherein A is straight-chain, branched, substituted and/or unsubstituted aliphatic hydrocarbyl of 1 to 12 carbon atoms or substituted or unsubstituted cycloaliphatic hydrocarbyl of 4 to 18 carbon atoms, wherein Ris selected from the group comprising —O—R, wherein Rand Rare each independently selected from the group of substituents comprising —Rand —O—R, and wherein —Ris hydrocarbyl of 1 to 6 carbon atoms, and B) a Bronstedt or Lewis acid or a compound which releases a Bronstedt or Lewis acid at room temperature; and also to a process for producing a stabilized alkoxysilane-containing isocyanate comprising the step of adding a Lewis or Bronstedt acid or a compound which releases a Bronstedt or Lewis acid at room temperature to an alkoxysilane-containing isocyanate.