Patent · US Expired

Synthesis of biurets and isocyanates with alkoxysilane functions, formulations containing same and use thereof

US7875693B2 · kind B2 · utility

3Cited by
6References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 16, 2004
Grant dateJan 25, 2011
Priority date
Expiry dateDec 16, 2024

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07F7/1804
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

The invention relates to a composition and a method of preparing one such composition and an isocyanatoalkoxysilane; the polyisocyanate composition contains at least two different oligomeric compounds comprising at least three units and at most five units selected from aminoalkylsilane units and diamine units and at least one function selected from isocyanate functions and from those derived therefrom, the aforementioned compounds having at least two aminoalkylsilane units and another compound having at least two diamine units; the invention is suitable for coatings.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.