Patents by Inventor Florence Esmard

Florence Esmard 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).

  • Phenolic compounds derived from dialkoxyethanals, their preparation process and their application
    Patent number: 6774267
    Abstract: New phenolic compounds of formula (I) R=C3-C17 dialkoxymethyl group, 1,3-dioxolan-2-yl group optionally substituted on peaks 4 and/or 5 by one or more C1-C8 alkyls or 1,3-dioxan-2-yl group optionally substituted on peaks 4 and/or 5 and/or 6 by one or more C1-C8 alkyls. n=1, 2 or 3, the group or groups are in o and/or p position of the OH of the cycle m=from 0 to 4-n, X=functional group such as OH or Hal or C1-C8 alkyl or alkoxy group or C5-C12 aryl group and optionally 1 or 2 heteroatoms such as N or O, or carboxy or —CO—Y group where Y=C1-C8 alkyl or alkoxy or amido or amino or thiol group, on condition that at least one of the ortho or para positions of the phenolic cycle is substituted by a hydrogen, and their salts with the alkali metals, alkaline-earth metals and amines.
    Type: Grant
    Filed: February 7, 2001
    Date of Patent: August 10, 2004
    Assignee: Clariant France
    Inventors: Didier Wilhelm, Florence Esmard
  • New phenolic compounds derived from dialkoxyethanals, their preparation process and their application
    Publication number: 20010016664
    Abstract: New phenolic compounds of formula (I) 1
    Type: Application
    Filed: February 7, 2001
    Publication date: August 23, 2001
    Applicant: Clariant (France) S.A.
    Inventors: Didier Wilhelm, Florence Esmard