Patent · US Active

Composition and method of preparation

US10933011B2 · kind B2 · utility

1Cited by

44References

20Claims

0Family size

Assignee

Dow Silicones Corporation · US

Inventors

Zhi Li · Midland, US
Bartley D. Maxon · St. Louis, US
Kimmai Thi Nguyen · Midland, US
Paul W. Pretzer · Midland, US
Kristen Steinbrecher · Midland, US
Lisa M. Vanommeren · Midland, US
Evan Waddell · Saginaw, US
Fang Zhang · Beijing, CN
Kenneth E. Zimmerman · Midland, US

Key dates

Filing date	Nov 8, 2016
Grant date	Mar 2, 2021
Priority date	—
Expiry date	May 25, 2037

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61Q19/00
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

A composition comprises (A) a silicone elastomer. The (A) silicone elastomer comprises the reaction product of: (a) an organohydrogensiloxane having an average of at least two silicon-bonded hydrogen atoms per molecule; (b) a crosslinking agent having an average of at least two ethylenically unsaturated groups per molecule; and (c) a hydrosilylation catalyst. The reaction product is formed in the in the presence of (d) a silicone polyether polymer; and (e) particles. The composition further comprises (B) a carrier fluid. The (e) particles are dispersed in the (A) silicone elastomer in the composition. A method of preparing the composition is also disclosed.

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