Patents by Inventor Philippe Vingler

Philippe Vingler has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Bicyclic aromatic compounds, a process for their preparation and their use in cosmetics and human and veterinary medicine
    Patent number: 4898864
    Abstract: Bicyclic aromatic compound having the formula ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 represent hydrogen or alkyl, at least two of R.sub.1 -R.sub.4 radicals being other than hydrogen,A represents methylene or dimethylene; when A represents dimethylene, R.sub.1 and R.sub.3 together can form a methylene or dimethylene radical,R.sub.5 and R.sub.6 represent hydrogen, halogen, lower alkyl, lower alkoxy or hydroxy,R' represents hydrogen, hydroxy, alkoxy, C.sub.1 -C.sub.4 cicyloxy or amino,R" represents hydrogen or lower alkoxy, or R' and R" together form an oxo, methano or hydroxyimino radical,B represents cyclohexyl, cyclohexenyl, cyclohexadienyl or phenyl, substituted or not,R represents --CH.sub.2 OH or --COR.sub.7,R.sub.7 represents hydrogen, --OR.sub.8 or ##STR2## R.sub.8 represents hydrogen, C.sub.1 -C.sub.20 alkyl, monohydroxyalkyl, polyhydroxyalkyl, aryl, aralkyl or a sugar residue.
    Type: Grant
    Filed: October 27, 1987
    Date of Patent: February 6, 1990
    Assignee: L'Oreal
    Inventors: Jean Maignan, Gerard Lang, Gerard Malle, Philippe Vingler