Patent · US Active

Partially neutralized chlorosulfonated polyolefin elastomers

US7550539B2 · kind B2 · utility

1Cited by

4References

10Claims

0Family size

Assignee

Dupont Performance Elastomers LLC · US

Inventors

Royce E. Ennis · Silsbee, US
Furman Eugene Glenn · Louisville, US

Key dates

Filing date	Mar 13, 2008
Grant date	Jun 23, 2009
Priority date	—
Expiry date	Mar 13, 2028

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08L2205/02
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

At least partially neutralized chlorosulfonated ethylene/alpha-olefin elastomers containing 0.5-10 weight percent chlorine and 0.25 to 5 weight percent sulfur are prepared from ethylene/alpha-olefin copolymer base resins having a ratio of weight average molecular weight (Mw) to number average molecular weight (Mn) less than 3.5.

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