Patents by Inventor Philomen DeCroos

Philomen DeCroos 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).

  • PROCESS FOR THE PREPARATION OF AN HIV INTEGRASE INHIBITOR
    Publication number: 20140094610
    Abstract: The present invention is directed to an improved process for the preparation of Compounds of Formula (I) or salts thereof which are useful in the treatment of HIV infection. In particular, the present invention is directed to an improved process for the preparation of (2S)-2-tert-butoxy-2-(4-(2,3-dihydropyrano[4,3,2-de]quinolin-7-yl)-2-methylquinolin-3-yl)acetic acid or salt thereof which is useful in the treatment of HIV infection.
    Type: Application
    Filed: October 3, 2013
    Publication date: April 3, 2014
    Inventors: Wenjie LI, Philomen DECROOS, Keith R. FANDRICK, Joe Ju GAO, Nizar HADDAD, Zhi-Hui LU, Bo QU, Sonia RODRIGUEZ, Chris H. SENANAYAKE, Yongda ZHANG, Wenjun TANG
  • Fiber reactive formazan dyes containing a vinyl sulfonyl reactive group
    Patent number: 5563248
    Abstract: The invention is a dye composition containing two or more dyes of the vinyl sulfone type which can be used in combination to dye polyamide substrates. Preferably the dye compositions of the invention contain at least three dyes of different primary colors.
    Type: Grant
    Filed: May 23, 1995
    Date of Patent: October 8, 1996
    Assignee: Hoechst Celanese Corporation
    Inventors: Walter Helmling, Philomen DeCroos
  • Dye compositions for polyamides
    Patent number: 5456727
    Abstract: The invention is a dye composition containing two or more dyes of the vinyl sulfone type which can be used in combination to dye polyamide substrates. Preferably the dye compositions of the invention contain at least three dyes of different primary colors.
    Type: Grant
    Filed: May 24, 1994
    Date of Patent: October 10, 1995
    Assignee: Hoechst Celanese Corporation
    Inventors: Walter Heimling, Mark Helle, Kerry Proulx, Leslie McIntosh, Philomen DeCroos