Patent · US Active

Solventless polyorganosiloxane pellets and processes for the preparation and use thereof

US12195593B2 · kind B2 · utility

0Cited by

19References

17Claims

0Family size

Assignees

Dow Silicones Corporation · US
DOW GLOBAL TECHNOLOGIES LLC · US

Inventors

Yunlong Guo · Hubei, CN
Rongrong Fan · Shanghai, CN
Ruihua Lu · Shanghai, CN
Wenfei Li · Guizhou, CN
Zhihua Liu · Beijing, CN
Wenjie Chen · Lo Wu, CN
Yan Zhou · Montville, US
Jiayin Zhu · Shanghai, CN

Key dates

Filing date	Oct 30, 2019
Grant date	Jan 14, 2025
Priority date	—
Expiry date	Nov 26, 2039

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC09J2301/302
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

A method for making a solventless polyorganosiloxane pellet is disclosed. The pellet is comprised of a polyorganosilicate resin and a polyorganosiloxane gum. The pellet is useful for making silicone pressure sensitive adhesive compositions.

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