Patents by Inventor Fietier Isabelle

Fietier Isabelle 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).

  • Alkanepolycarboxylic acid derivatives as cross-linking agents of cellulose, new derivatives and textile finishes
    Patent number: 5273549
    Abstract: Use as cellulose cross-linking agents of derivatives of alkanepolycarboxylic acids corresponding to general formula I: ##STR1## in which: n, m=0 or 1,R.sub.1, R.sub.3, R.sub.5 and R.sub.7 =H or COOH it being understood that at least two of the substituents from the said substituents R.sub.1, R.sub.3, R.sub.5 and R.sub.7 represent a carboxyl group,R.sub.2, R.sub.4, R.sub.6, R.sub.8 =H or PO(OH)(OR) where R=H or Alk C.sub.1 -C.sub.4, it being understood that only one substituent from the said substituents R.sub.2, R.sub.4, R.sub.6 and R.sub.8 represents said PO(OH)(OR) group, textile finishes containing said products of formula I and new derivatives of formula I.
    Type: Grant
    Filed: October 30, 1991
    Date of Patent: December 28, 1993
    Assignee: Societe Francaise Hoechst
    Inventors: Wilhelm Didier, Fietier Isabelle