Patent · US Active

Process for preparing high-reactivity isobutene homo- or copolymers

US11629206B2 · kind B2 · utility

0Cited by

3References

18Claims

0Family size

Assignee

BASF SE

Inventors

Rosa Corberan Roc · Ludwigshafen, DE
Klaus Muehlbach · Havelsee, DE
Thomas Wettling · Schifferstadt, DE
Sergei V. Kostjuk · Minsk, BY
Irina Vasilenko · Minsk, BY
Dmitryi Shiman · Minsk, BY

Key dates

Filing date	Mar 26, 2021
Grant date	Apr 18, 2023
Priority date	—
Expiry date	Jun 8, 2041

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08F10/10
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

The present invention relates to a novel process for preparing high-reactivity isobutene homo- or copolymers with a content of terminal vinylidene double bonds per polyisobutene chain end of at least 80 mol %. The present invention further relates to novel isobutene polymers.

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