Patents Represented by Law Firm Mille, White, Zelano & Branigan
  • Well cementing method using HMHPG filtrate reducer
    Patent number: 6257336
    Abstract: For controlling filtration loss during the installation of climber cement in a well, the procedure entails the addition of a specific quantity of at least one derivative of galactomannan, hydrophilically and hydrophobically modified, a hydrophobically modified hydroxy propyl guar (HMHPG).
    Type: Grant
    Filed: March 31, 1998
    Date of Patent: July 10, 2001
    Assignees: Institut Francais du Petrole, Societe Lamberti SpA
    Inventors: Annie Audibert, Jean-François Argillier, Ugo Pfeiffer, Guiseppe Molteni
  • Enhancement of abnormal tissue uptake of antibodies, tumor-specific agents or conjugates thereof for diagnostic imaging or therapy
    Patent number: 5399338
    Abstract: Biomodulators, in conjunction with antibodies, tumor-specific agents or conjugates thereof, optionally linked to imaging-active moieties, can be administered to a host to enhance images thereof, e.g., NMR-, X-ray- or radioimages, preferably by increasing aberrant tissue signal intensity.
    Type: Grant
    Filed: May 1, 1991
    Date of Patent: March 21, 1995
    Assignee: University of New Mexico
    Inventors: Jerry L. Born, Dennis Eshima, Paul L. Mann, Nicholas A. Matwiyoff, Buck A. Rhodes
  • Quaternary ammonium salts
    Patent number: 5231186
    Abstract: Quaternary ammonium salts having a 2, 3, 5, 6-tetrahydroxazolo [2, 3-b] oxazole nucleus, such as 4-aralkyl or alkyl-2, 3, 5, 6-tetrahydroxazolo [2, 3-b] oxazolium salts are disclosed. These quarternary ammonium salts are useful a cationic polymerization initiator or proton-donating catalyst of the heat latent type to be incorporated heat-curable coating and other resinous compositions.
    Type: Grant
    Filed: March 20, 1992
    Date of Patent: July 27, 1993
    Assignee: Nippon Paint Co., Ltd.
    Inventors: Shinji Nakano, Satoshi Urano