Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...
Reexamination Certificate
2011-06-21
2011-06-21
Saeed, Kamal (Department: 1626)
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Having -c-, wherein x is chalcogen, bonded directly to...
C548S537000
Reexamination Certificate
active
07964630
ABSTRACT:
The compounds of formula (I)whereinX represents a bond or NH—CH(C═O)—(CH2)3+n—NH—R5,n represents 0, 1 or 2,R1, R4and R5—independently from each other—represent hydrogen, possibly substituted C1-C6-alkyl, amidino or tetra-C1-C6-alkylamidinium,R2represents hydrogen or possibly substituted C1-C6-alkylor R1and R2together with the residue to which they are bound represent a 5- to 7-membered, saturated ring,R3represents C1-C12-alkoxy, C1-C12-alkylamino, possibly substituted aryl-C1-C6-alkylamino, possibly substituted heteroaryl-C1-C6-alkylamino, possibly substituted aryl-C1-C6-alkoxy or possibly substituted heteroaryl-C1-C6-alkoxy, andR6represents hydrogen or, when n is 1, also amino or together with R1and the residue to which R6and R1are bound a 5- to 7-membered, saturated ring, as well as their physiologically acceptable salts are new. They can be manufactured according to common methods and processed to topically applicable compositions that are appropriate for treating mimic and age-related wrinkles in human skin.
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Imfeld Dominic
Wikstroem Peter
Ziegler Hugo
Bianchi Kristin
DSM IP Assets B.V.
Gottlieb Rackman & Reisman PC
Saeed Kamal
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