Patent · US Active

High-reactivity polyisobutylene having a high content of vinylidene double bonds in the side chains

US9688791B2 · kind B2 · utility

0Cited by

14References

13Claims

0Family size

Assignee

BASF SE

Inventors

Thomas Wettling · Schifferstadt, DE
Stefan Hirsch · Neustadt, DE
Markus Brym · Schifferstadt, DE
Markus Weis · Ludwigshafen, DE

Key dates

Filing date	Jul 7, 2014
Grant date	Jun 27, 2017
Priority date	—
Expiry date	Jul 7, 2034

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08F2800/20
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

A polyisobutylene having a total content of vinylidene double bonds of more than 50 mol % and a number-average molecular weight of 500 to 10 000 daltons, where at least 10% of all the vinylidene double bonds in the polyisobutylene are part of one or more side chains composed of at least 2 carbon atoms from the main polyisobutylene chain. Such a polyisobutylene is suitable for production of fuel and lubricant additives.

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