Patents Examined by Daniel S. Matzmaier
  • Demulsifier methods employing b-iminodipropionate
    Patent number: 5385695
    Abstract: The present invention deals with compositions utilized to demulsify wash liquors, tramp oils or coolants. The compositions of the present invention are useful per se as cleaning compositions. The ability to rapidly demulsify from a waste liquor solution allows rapid recovery of fats, organic components, paint residues, greases and oils and rapid passage of the effluent to a sewage treatment facility.
    Type: Grant
    Filed: April 29, 1992
    Date of Patent: January 31, 1995
    Inventor: Elliot Cohen
  • Methods of emulsification with peptide emulsifiers
    Patent number: 5330682
    Abstract: Polypeptides which consist substantially of alpha-helix-forming amino acid sequences are useful as emulsifiers, if the helix has at least one hydrophilic axial domain and at least one hydrophobic axial domain such that the helix can adapt a log-in-water orientation at a fat-water interface. The hydrophobic domain may occupy 80.degree.-280.degree. of the circle defined by the helix.
    Type: Grant
    Filed: May 4, 1990
    Date of Patent: July 19, 1994
    Assignee: Agricultural & Food Research Council
    Inventors: Christopher J. Brock, Michael B. Enser
  • Stable aqueous suspensions of inorganic silica-based materials insoluble in water
    Patent number: 5190693
    Abstract: Aqueous suspensions of a silica-based inorganic material insoluble in water and in a finely subdivided form, stabilized with at least one organic polymeric compound containing hydroxylic groups and with an ammonium or phosphonium quaternary compound of the formula: ##STR1## wherein: B is nitrogen or phosphorus; A is either mono or polyvalent anion, while A.sub.1.sup.- is SO.sub.3.sup.- or COO.sup.-.
    Type: Grant
    Filed: February 21, 1991
    Date of Patent: March 2, 1993
    Assignee: Ausidet S.p.A.
    Inventors: Pier D. Mattioli, Angelo Tentorio, Claudio Troglia