Patent · US Active

Block polymers

US11261281B2 · kind B2 · utility

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1References

17Claims

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Assignee

COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN · FR

Inventors

François JEAN-BAPTISTE-DIT-DOMINIQUE · Clermont-Ferrand, FR
Vincent Lafaquiere · Clermont-Ferrand, FR

Key dates

Filing date	Oct 11, 2018
Grant date	Mar 1, 2022
Priority date	—
Expiry date	Oct 30, 2038

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08F297/06
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

A block polymer comprising a first block and a second block is provided. The first block contains aromatic α-mono-olefin units, and the second block contains both 1,3-diene units and mono-olefin units.

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