Patents Represented by Attorney, Agent or Law Firm Martin V. Schneller
  • Ureins derived from &agr;, &ohgr;-diamino acids and process for their preparation
    Patent number: 6310178
    Abstract: Ureins are obtained by reaction, in basic medium, between an N&ohgr;-(aryloxycarbonyl)diamino acid and a compound containing a free amino group. The chirality of the compounds is outstandingly well preserved.
    Type: Grant
    Filed: February 11, 2000
    Date of Patent: October 30, 2001
    Assignee: Solvay, S.A.
    Inventors: Roland Callens, Georges Blondeel, Marc Anteunis, Frank Becu
  • System and method for preforming an extruded parison
    Patent number: 6168750
    Abstract: The invention relates to a system for preforming an extruded plastics parison including a nonplanar conveyor belt. It also relates to a method for preforming an extruded parison, including a step during which the parison is deposited on a conveyor belt. The conveyor belt is not planar. This step may be accompanied by a step in which the parison undergoes transverse deformation. The invention also relates to a method of manufacturing at least one article, including such a preforming step.
    Type: Grant
    Filed: December 29, 1998
    Date of Patent: January 2, 2001
    Assignee: Solvay, S.A. (Societe Anonyme)
    Inventors: Jules-Joseph Van Schaftingen, Serge Dupont