Patents by Inventor Cristiano Carlo Taverna

Cristiano Carlo Taverna 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).

  • Patent number: 6689908
    Abstract: The invention concerns polyalkoxylated superamides of the following formulae: [R1—CONR2—CH2CHR3—O—CHR4—CHR5O)m—(CH2CH2O)n]9 p(I); R1—CON—[CH2CHR3—O—(CHR4—CHR5O)m—(CH2CH2O)n—X]2, formulae wherein: R1 presents a C7-C22 hydrocarbon radical; R2, R3, represent a hydrogen or a C1-C4 hydrocarbon radical; R4, R5 represent a hydrogen or an alkyl radical comprising 1 to 2 carbon atoms, provided that one or more of said two radicals is a hydrogen; X represents a hydrogen, a C1-C6 hydrocarbon radical, a phosphate, carboxylate, sulphate, sulphonate group; m ranges between 0 and 20 exclusive; n ranges between 0 and 50 exclusive; p is equal to 1 or 2, depending on what X represents. The invention also conerns a method for obtaining said compounds and their use in particular as emulsifying agent for oils.
    Type: Grant
    Filed: July 23, 2002
    Date of Patent: February 10, 2004
    Assignee: Rhodia Chimie
    Inventors: Jean-Guy Le Helloco, Jean-Lue Joye, Cristiano Carlo Taverna