Patent · US Expired

Hydrolysis of 5-(beta-methylmercaptoethyl)-hydantoin

US4272631A · kind A · utility

7Cited by
6References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 25, 1980
Grant dateJun 9, 1981
Priority date
Expiry dateFeb 25, 2000

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07C319/20
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

5-(Beta-methylmercaptoethyl)-hydantoin is hydrolyzed at superatmospheric pressure in an autoclave by heating in a mixture of (a) a hydroxide of a monovalent cation such as lithium, sodium, potassium, ammonium or alkyl substituted ammonium and (b) a hydroxide of a divalent cation such as calcium, barium or zinc.

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