Patent · US Active

Process for the preparation of poly(silyl ester)s, and their uses

US7902313B2 · kind B2 · utility

2Cited by

16References

44Claims

0Family size

Assignee

SigmaKalon B.V. · NL

Inventors

Marcel Vos · Huizen, NL
Mark Plehiers · Brussels, BE
Michel Gillard · Louvain-la-Neuve, BE

Key dates

Filing date	Mar 26, 2004
Grant date	Mar 8, 2011
Priority date	—
Expiry date	May 29, 2027

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08G77/395
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

The present invention provides a process for the preparation of poly(silyl ester)s comprising a structural unit of the formula (I) wherein the process comprises the step of reacting a polyacid of formula (II) with a polyacyloxysilyl derivative of formula (III) while removing the formed acid group(s) of formula R7Z(O)OH (IV). R9Z(O)OH (V), and R8Z(O)OH (VI) from the system.

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