Patent · US Active

Method of making a homogeneous mixture of polyolefin and liquid organic acid

US11840621B2 · kind B2 · utility

0Cited by

4References

7Claims

0Family size

Assignee

DOW GLOBAL TECHNOLOGIES LLC · US

Inventors

Qian Gou · Longbeilingcun, CN
Neil W. Dunchus · Kinnelon, US
Dachao Li · Royersford, US
Michael Parker

Key dates

Filing date	Jun 22, 2020
Grant date	Dec 12, 2023
Priority date	—
Expiry date	Jan 5, 2041

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08J2423/06
WIPO fieldOther special machines
WIPO sectorMechanical engineering

Abstract

A method of making a homogeneous mixture comprising a liquid hydrocarbylsulfonic acid and a polyolefin, the method comprising multiple stages of adding, mixing, and monitoring of temperature of the ingredients. The method enables making embodiments of the homogeneous mixture having more than 3 weight percent of the liquid hydrocarbylsulfonic acid incorporated into the polyolefin and prevents fouling of the mixer device.

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