Patents by Inventor Juan Carlos Rodriguez Esteban

Juan Carlos Rodriguez Esteban 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).

  • Vinyl Alcohol-N-Vinyl Amine Copolymer and Its Preparation Process
    Publication number: 20080112911
    Abstract: A process for manufacturing a highly water-soluble vinyl alcohol-N-vinyl amine copolymer with a degree of hydrolysis higher than 93%, including a hydrolysis reaction of a vinyl alcohol-N-vinyl formamide copolymer with an alkaline metal hydroxide in methanol wherein the process is carried out with more than 1.5 mol of the alkaline metal hydroxide per mol of N-vinyl formamide units and without addition of water. A higher water soluble vinyl alcohol-N-vinyl amine copolymer obtained by this process and the use thereof.
    Type: Application
    Filed: January 26, 2006
    Publication date: May 15, 2008
    Applicant: ERKOL, S.A.
    Inventors: Juan Carlos Rodriguez Esteban, Alfredo Seco Carracedo, Maria del Carmen Palau Vall, Joseba Iñaki Iragorri Sainz