Patents Examined by S. Gibson
  • Insulating structure
    Patent number: 4671979
    Abstract: An insulating structure is provided for which comprises:(1) insulating material comprising one or more high-density, thermal/acoustical layers of highly bonded fibers; and(2) a chemically resistant, impermeable envelope enclosing said insulating material.Preferably, the insulating material also comprises one or more acoustical layers of loosely woven fiber cloth having openings correlated to the wavelength of the sound to be attenuated.Preferably the insulating structures of the subject invention comprise sealed mounting flanges extending from the edges of the envelope and means for removably attaching the insulation to the surface to be insulated.
    Type: Grant
    Filed: September 30, 1985
    Date of Patent: June 9, 1987
    Assignee: Pall Corporation
    Inventor: Joseph G. Adiletta
  • 7-aminoazolo[1,5-a]pyrimidines and fungicides containing these
    Patent number: 4617303
    Abstract: 7-Aminoazolo[1,5-a]pyrimidines of the formula ##STR1## where R.sup.1 is alkyl or aralkyl,R.sup.2 and R.sup.3 are each hydrogen or alkyl, andA is nitrogen or CR.sup.4, whereR.sup.4 is hydrogen, alkyl or halogen, and fungicides containing these compounds.
    Type: Grant
    Filed: October 19, 1984
    Date of Patent: October 14, 1986
    Assignee: BASF Aktiengesellschaft
    Inventors: Karl Eicken, Hermann Graf, Walter Gramlich, Hubert Sauter, Costin Rentzea, Ernst-Heinrich Pommer, Eberhard Ammermann
  • Diphenyl sulfone compounds, and use
    Patent number: 4486223
    Abstract: A compound of the formula: ##STR1## wherein R is a hydrogen atom or a lower alkoxy group, X and Y, being the same or different, are each a hydrogen atom, a halogen atom, a lower alkyl group, a lower alkoxy group, a carboxy(lower)alkoxy group or a lower alkoxycarbonyl(lower)alkoxy group and Z is a hydrogen atom or a halogen atom, which is useful as a herbicide.
    Type: Grant
    Filed: November 17, 1982
    Date of Patent: December 4, 1984
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Hiroyuki Konishi, Naganori Hino, Hiroshi Matsumoto, Ryo Yoshida
  • 1-(4-Aminobenzyl)-2,3-dioxopiperazine derivatives, acid addition salts thereof and process for producing same
    Patent number: 4436921
    Abstract: A 1-(4-aminobenzyl)-2,3-dioxopiperazine derivative represented by the formula: ##STR1## and an acid addition salt thereof have excellent carcinostatic activity but a low toxicity. Therefore, said compounds are useful as medicines and also as intermediates.
    Type: Grant
    Filed: July 16, 1980
    Date of Patent: March 13, 1984
    Assignee: Toyama Chemical Co., Ltd.
    Inventors: Takako Hori, Chosaku Yoshida, Yasuo Kiba, Ryuko Takeno, Joji Nakano, Jun Nitta, Sumiko Kishimoto, Shohachi Murakami, Hisatsugu Tsuda, Isamu Saikawa
  • N-Methyl-D-glucamine salt of with 3,4-dihydro-5-methyl-6-(2-methylpropyl)-4-oxothieno[2,3-d]pyrimidine-2-c arboxylic acid
    Patent number: 4377583
    Abstract: Treatment of the antiallergic agent 3,4-dihydro-5-methyl-6-(2-methylpropyl)-4-oxothieno[2,3-d]pyrimidine-2-car boxylic acid with N-methyl-D-glucamine gives a salt with improved solubility. Solutions of this salt have pH values in a range acceptable for topical formulations. Additionally, solutions of the subject salt exhibit good stability which can be demonstrated by retention of potency. The salt is comprised of a 1:1 molecular ratio of the glucamine base to the acid.
    Type: Grant
    Filed: August 21, 1981
    Date of Patent: March 22, 1983
    Assignee: Mead Johnson & Company
    Inventors: Aubrey A. Larsen, Donald A. Owens