Patent · US Active

Polymeric antioxidants

US7727571B2 · kind B2 · utility

8Cited by

47References

12Claims

0Family size

Assignees

University of Massachusetts Lowell · US
The United States of America as represented by the Secretary of the Army · US

Inventors

Ashok L. Cholli · Chelmsford, US
Vijayendra Kumar · Lowell, US
Javant Kumar · Westford, US
Virinder Singh Parmar · Lowell, US
Lynne A. Samuelson · Marlborough, US
Ferdinando Bruno · Andover, US

Key dates

Filing date	Feb 27, 2007
Grant date	Jun 1, 2010
Priority date	—
Expiry date	Apr 12, 2027

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/31993
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

Antioxidant polymers of the present invention comprise repeat units that include one or both of Structural Formulas (I) and (II):wherein: The invention also includes methods of using and preparing these polymers.

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