Patents by Inventor Christian Collette

Christian Collette 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).

  • Salts of fatty amines and of polyfluoro-carboxylic acids and their use as additives for lubricants
    Patent number: 5202038
    Abstract: The invention relates to the salts formed by a fatty amine with a mixture containing at least one monocarboxylic acid R.sub.F (CH.sub.2).sub.10 COOH and at least one dicarboxylic acid of formula: ##STR1## where R.sub.F denotes a C.sub.4 -C.sub.16 perfluoroalkyl radical, wherein these salts can be employed as antiwear additives for lubricants.
    Type: Grant
    Filed: February 27, 1992
    Date of Patent: April 13, 1993
    Assignee: ELF Atochem S.A.
    Inventors: Elisabeth Schoch, Christian Collette
  • Oligomer derived from a polyethoxylated fatty amine, process for producing same, and its use to modify the surface properties of polymers
    Patent number: 5089546
    Abstract: An oligomer of the formula ##STR1## in which R.sub.1 =H or CH.sub.3 ;R.sub.2 =C.sub.t H.sub.2t in whcih 0.ltoreq.t.ltoreq.18;Z is selected from C.sub.2 H.sub.4, C2H2 and ##STR2## in which 2.ltoreq.d.ltoreq.16; m is an integer such that 1.ltoreq.m.ltoreq.3;R.sub.3 =C.sub.t'H.sub.2t'+1 in which t'.gtoreq.1 and 8.ltoreq.t+t'+2m.ltoreq.22n and n' are identical or different integers, such that 2.ltoreq.n+n'.ltoreq.20;b is an integer equal to 0 or 1; anda is an integer ranging from 2 to 500.The invention also comprises the method of making the oligomer and thermoplastic films containing the same as well as the resultant thermoplastic films.
    Type: Grant
    Filed: August 15, 1990
    Date of Patent: February 18, 1992
    Assignee: Atochem
    Inventors: Roland Parsy, Daniel Augustin, Christian Collette
  • Oligomer derived from a polyetaoxylated fatty amine, process for producing same, and its use to modify the surface properties of polymers
    Patent number: 4980438
    Abstract: An oligomer of the formula ##STR1## in which R.sub.1 =H or CH.sub.3 ;R.sub.2 =C.sub.t H.sub.2t in which 0.ltoreq.t.ltoreq.18;Z is selected from C.sub.2 H.sub.4, C2H2 and ##STR2## in which 2.ltoreq.d.ltoreq.16; m is an integer such that 1.ltoreq.m.ltoreq.3;R.sub.3 =C.sub.t' H.sub.2t'+1 in which t'.gtoreq.1 and 8.ltoreq.t+t'+2m.ltoreq.22n and n' are identical or different integers, such that 2.ltoreq.n+n'.ltoreq.20;b is an integer equal to 0 or 1; anda is an integer ranging from 2 to 500. The invention also comprises the method of making the oligimer and thermoplastic films containing the same as well as the resultant thermoplastic films.
    Type: Grant
    Filed: April 10, 1989
    Date of Patent: December 25, 1990
    Assignee: Atochem
    Inventors: Roland Parsy, Daniel Augustin, Christian Collette