Patent · US Expired

Process for producing modified cyclodextrins

US4920214A · kind A · utility

46Cited by
7References
18Claims
0Family size

Assignee

Inventor

Key dates

Filing dateApr 16, 1986
Grant dateApr 24, 1990
Priority date
Expiry dateApr 16, 2006

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08B37/0012
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

The present invention is directed to a process for modifying and increasing the water solubility of cyclodextrins in a moderate controlled progressive reaction and in particular to producing derivatives of cyclodextrins in a substantially anhydrous reaction with an alkylene carbonate such as ethylene carbonate in an alkaline environment.

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