The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 7427690 B1

PDF
Full Text
Expired
Date of Patent:
Sep. 23, 2008

Filed:

Aug. 04, 2006
Applicant:

Shyam K Gupta, Scottsdale, AZ (US);

Inventor:

Shyam K Gupta, Scottsdale, AZ (US);

Assignee:

Bioderm Research, Scottsdale, AZ (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 249/00 (2006.01); C07C 251/24 (2006.01);
U.S. Cl.
CPC ...
Abstract

This invention relates to Schiff's bases derived from amino acids and hydroxyaryl alkyl ketones, or a plant extract containing the same, having general chemical structure in FIG.for topical application. This invention also relates to certain metal complex of said Schiff's bases, which have a crown-like appearance in their three-dimensional chemical structure, as in FIG.. The Schiff's bases and their metal complexes of the present invention are useful for the modulation of metal-activated enzymes and metalloenzymes, such as Phenylalanine Hydroxylase, Tyrosine Transaminase, Phenylalanine Transaminase, Tyrosinase, various MMP (Matrix metalloproteases), Superoxide dismutase, 5-Alpha Reductase, and citrate lyase. These are further suitable for multifunctional topical methods for skin whitening, skin wrinkles reduction, skin antiaging, collagen synthesis, acne control, hair loss prevention, hair graying control, and facial oil control.


Find Patent Forward Citations

Gupta, Shyam. (2008). Multifunction 'crown complexes' from amino acids and peptides for skin and hair restoration (U.S. Patent No. 7427690). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7427690

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