Patent · US Expired

Agent for the care of skin

US3991184A · kind A · utility

103Cited by

0References

8Claims

0Family size

Inventors

Martin Kludas · Berlin, DE
Gunter Borchert

Key dates

Filing date	Dec 27, 1974
Grant date	Nov 9, 1976
Priority date	—
Expiry date	Dec 27, 1994

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61Q19/08
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

For the care of skin there is contemplated the use of untreated, soluble collagen having an unchanged substantially non-crosslinked collagen structure and obtained by the direct extraction from the connective tissue of skin.

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