Patent · US Expired

Methods and compositions for increasing growth rate and feed efficiency of animals

US3939275A · kind A · utility

6Cited by
0References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 2, 1974
Grant dateFeb 17, 1976
Priority date
Expiry dateMay 2, 1994

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA23K20/111
  • WIPO fieldFood chemistry
  • WIPO sectorChemistry

Abstract

Methods and compositions utilizing certain local anesthetic derivatives which increase growth rate and feed efficiency of animals, particularly ruminants. The preferred compounds to be used as active ingredients are local anesthetics, such as, for example, mepivacaine hydrochloride, bupivacaine hydrochloride, tetracaine hydrochloride, and oxethazainechloro hydrochloride.

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