Patent · US Expired

Vitamin E conjugates

US6858227B1 · kind B1 · utility

24Cited by

8References

21Claims

0Family size

Assignee

Sonus Pharmaceuticals, Inc. · US

Inventors

Manjari Lal · Bellevue, US
Yuehua Zhang · State College, US
Nagesh R. Palepu · Southampton, US

Key dates

Filing date	Nov 20, 2002
Grant date	Feb 22, 2005
Priority date	—
Expiry date	Nov 20, 2022

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61K47/22
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

Vitamin E conjugates, methods for their preparation, and compositions that include the conjugates. The vitamin E conjugates include a tocopherol moiety covalently coupled through a linker moiety to either a pyroglutamate moiety, a pyrrolidinone moiety, or a gentisic acid moiety.

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