Diester Patents (Class 514/148)
  • Patent number: 5597809
    Abstract: Methods of treating optic neuritis comprising administering a protective agent which inhibits glutamate-mediated retinal cell damage to a mammal at risk of developing optic neuritis.
    Type: Grant
    Filed: June 23, 1994
    Date of Patent: January 28, 1997
    Assignee: Massachusetts Eye & Ear Infirmary
    Inventor: Evan B. Dreyer
  • Patent number: 5508273
    Abstract: Compounds represented by the formula I: ##STR1## are disclosed as agents for use in treating bone wasting diseases.
    Type: Grant
    Filed: December 30, 1993
    Date of Patent: April 16, 1996
    Assignee: Ortho Pharmaceutical Corporation
    Inventors: Scott Beers, Elizabeth A. Malloy, Charles Schwender
  • Patent number: 5478815
    Abstract: A liver protectant comprising a phosphoric diester compound of the following formula (wherein R.sub.1 and R.sub.2 are the same or different and each represents hydrogen or methyl) or a pharmacologically acceptable salt thereof. ##STR1## The liver protectant composition of this invention effectively inhibits the elevation of GOT and GPT, among other parameters, so that it is useful for the prevention and therapy , of acute liver disorder, chronic liver disorder and fuminant liver disorder. It can also be used in cirrhosis of the liver with success. The liver protectant composition of this invention can be used with advantage in liver damage associated with alcohol intake and hepatic impairment due to acetaminophen and other drugs. Furthermore, the liver protectant composition of this invention is of value in acute intrahepatic cholestasis.
    Type: Grant
    Filed: November 30, 1994
    Date of Patent: December 26, 1995
    Assignee: Senji Pharmaceutical Co., Ltd.
    Inventors: Kazumi Ogata, Takahiro Sakaue, Sachiko Matsuura, Rie Nagao, Shinya Ogino
  • Patent number: 5455249
    Abstract: Background of the structure ##STR1## wherein R.sup.1 and R.sup.2 are each, independently, hydrogen, or ##STR2## R.sup.3 and R.sup.4 are each, independently, hydrogen, Ar, or --(CR.sup.6 R.sup.7).sub.a Y(CR.sup.8 R.sup.9).sub.b Z, or R.sup.3 and R.sup.4 may be taken together to form a 5-7 membered ring;R.sup.5 is hydrogen, alkyl, alkenyl, alkynyl, alkoxyalkyl, arylalkyl, cycloalkyl, or Ar;R.sup.6, R.sup.7, R.sup.8, and R.sup.9, are each, independently, hydrogen, alkyl, alkenyl, alkynyl, hydroxyalkyl, alkoxyalkyl, alkylthioalkyl, alkylaminoalkyl, dialkylaminoalkyl, arylalkyl, cycloalkyl, --OR.sup.10, --SR.sup.10, halogen, --CN, --NO.sub.2, --CF.sub.3, --COR.sup.10, --CO.sub.2 R.sup.10, --CONHR.sup.10, --SO.sub.2 R.sup.10, --SO.sub.3 R.sup.10, --OSO.sub.3 R.sup.10, --NR.sup.10 R.sup.11, --NHCOR.sup.10, --NHCO.sub.2 R.sup.10, --NHSO.sub.2 R.sup.10, --NHSO.sub.3 R.sup.10, or Ar;X is O or NOR.sup.12 ;Y is --O--, --CH.sub.2 --, --NR.sup.13 --, --S--, --S(O)--, --S(O).sub.2 --, or --C(O)--;R.sup.10, R.sup.11, R.sup.
    Type: Grant
    Filed: October 21, 1994
    Date of Patent: October 3, 1995
    Inventors: Jerauld S. Skotnicki, Andri L. Smith
  • Patent number: 5451573
    Abstract: Substituted cyclohexane derivatives for the treatment of diseases Esters of cyclohexane derivatives of the formula I ##STR1## in which A--B, R.sup.3, R.sup.4, R.sup.5, Y and Z have the meanings indicated, for use as inhibitors of the glucose-6-phosphatase system of the liver in mammals are described. The compounds are suitable for the production of pharmaceutical preparations.
    Type: Grant
    Filed: September 7, 1993
    Date of Patent: September 19, 1995
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Horst Hemmerle, Peter Schindler, Roland Utz, Robert Rippel, Andreas Herling
  • Patent number: 5447923
    Abstract: Methods for the treatment of a human or lower animal subject having an H. pylori-mediated upper gastrointestinal disorder comprising administering to said subject a safe and effective amount of a diphenyl ether phosphate ester of the following formula: ##STR1## wherein n is an integer from 0 to 3, or a pharmaceutically-acceptable salt thereof.
    Type: Grant
    Filed: October 11, 1994
    Date of Patent: September 5, 1995
    Assignee: The Proctor & Gamble Company
    Inventors: Carl E. Catrenich, Dennis G. A. Nelson
  • Patent number: 5182271
    Abstract: The invention discloses certain thioether, keto-ester and alkyl phospholipids which are useful in treating multiple sclerosis.
    Type: Grant
    Filed: August 30, 1991
    Date of Patent: January 26, 1993
    Assignee: Sandoz Ltd.
    Inventor: William J. Houlihan
  • Patent number: 5116992
    Abstract: The invention relates to glycerol derivatives of general formulae Ia, Ib and Ic ##STR1## wherein R.sub.1, R.sub.2, R.sub.3, A and Y stand for various substituents, to a preparation process of said compounds and to therapeutical compositions containing the same.
    Type: Grant
    Filed: December 19, 1990
    Date of Patent: May 26, 1992
    Assignee: Societe de Conseils de Recherches et d'Applications Scientifiques (S.C.R.A.S.)
    Inventors: Pierre Braquet, Colette Broquet, Benedicte Vandamme, Paola Principe-Nicolas
  • Patent number: 5057541
    Abstract: An emulsion-like or creamy composition for external application is disclosed. The composition is prepared by applying a shear force to an aqueous suspension comprising 0.1 to 20% by weight of one or more specific types of polyvalent metal alkyl phosphates. This composition has a gloss and a beautiful outward appearance, in which a powdery polyvalent metal alkyl phosphate is dispersed in an aqueous medium. The composition exhibits favorable characteristics inherent to a powder such as excellent extendability, good smoothness, stickilessness, slipperiness as well as superior freshness.
    Type: Grant
    Filed: December 9, 1988
    Date of Patent: October 15, 1991
    Assignee: Kao Corporation
    Inventors: Tomohiko Sano, Yuji Suzuki, Kayoto Iwata
  • Patent number: 5053222
    Abstract: A hair cosmetic composition containing, as an active component, a diester of phosphoric acid with ascorbic acid and tocopherol, having the formula (I), and/or a salt thereof: ##STR1## wherein R.sub.1 represents H or CH.sub.3 and R.sub.2 represents H or CH.sub.3.
    Type: Grant
    Filed: June 7, 1989
    Date of Patent: October 1, 1991
    Assignees: Shiseido Company Ltd., Senju Pharmaceutical Co., Ltd.
    Inventors: Emiko Takasu, Kazumi Ogata, Yoshihisa Sato
  • Patent number: 4948787
    Abstract: Mercaptan odors in a thiophosphate compound or formulation are suppressed by treatment of the compound during preparation of the formulation with treatment agents selected from iodine, and alkali and alkaline earth metal hydroxides, hypochlorites and iodates. Depending on the particular agent and method of treatment used, the agent and any reaction products resulting from the treatment may be either removed from the thiophosphate or retained with it in the final formulation. Formulations of particular interest are granular formulations for field application.
    Type: Grant
    Filed: January 4, 1989
    Date of Patent: August 14, 1990
    Assignee: Imperial Chemical Industries PLC
    Inventors: Chia-Chung Chen, Richard H. Rider, Ray J. Lo
  • Patent number: 4938797
    Abstract: The invention relates to a process for the preparation of microcapsules having a capsule wall of polyurea and encapsulating a water-immiscible pesticide. The process comprises first dispersing a solution of a polyisocyanate in the sparingly water-soluble pesticide, in the presence of an anionic dispersant and at least one nonionic protective colloid and/or a nonionic surfactant, and subsequently reacting the dispersion with a polyamine, to give a stable aqueous suspension of microcapsules which can be used either direct or after dilution with water as pesticidal composition.
    Type: Grant
    Filed: June 7, 1988
    Date of Patent: July 3, 1990
    Assignee: Ciba-Geigy Corporation
    Inventors: Hans W. Hasslin, Michael J. Hopkinson
  • Patent number: 4828844
    Abstract: A pulmonary surfactant for the treatment of dyspnea syndromes, containing dipalmitoyl phosphatidyl choline (DPPC) and dipalmitoyl phosphatidyl glycerol (DPPG) in a ratio of from 9:1 to 8:2 and a sugar, in the form of a redispersable powder, which is obtained by dissolving the phospholipids in glacial acetic acid, adding the sugar, and finally freeze-drying of the mixture. The lyophilisate is redispersed in a suitable buffer solution for application.
    Type: Grant
    Filed: August 4, 1983
    Date of Patent: May 9, 1989
    Inventors: Renate Rontgen-Odenthal, Manfred Durr, Ekkehard Harhausen
  • Patent number: 4686211
    Abstract: A medical composition for external application comprises a dialkyl phosphate represented by the formula: ##STR1## wherein R.sub.1 and R.sub.2 independently represent a hydrocarbon group having from 6 to 24 carbon atoms, R.sub.3 and R.sub.4 independently represent hydrocarbon group having from 2 to 6 carbon atoms, m and n independently represent a value of from 0 to 20, and x represents a hydrogen atom or a salt of an alkali metal and the like.In the presence of the dialkyl phosphate, percutaneous intake of medically active ingredients is highly enhanced. Examples of the medically active ingredients directed to in the invention include antiinflammatory agents such as ethyl aminobenzoate; adrenocortical hormones such as hydrocortisone; etc.The inventive composition is highly safe without giving any stimulation to the skin.
    Type: Grant
    Filed: September 20, 1985
    Date of Patent: August 11, 1987
    Assignee: Kao Corporation
    Inventors: Kenji Hara, Hiromichi Takahashi, Tetsuro Kamiya, Kaoru Tsujii
  • Patent number: 4536519
    Abstract: Disclosed herein is an emulsifying agent comprising (a) a partially or completely neutralized product, with a basic substance, of a phosphoric acid ester which contains a phosphoric acid monoester represented by the general formula (I) and a phosphoric acid diester represented by the general formula (II) from 100:0 to 70:30 molar ratio: ##STR1## wherein R.sub.1 and R.sub.4 represent individually a linear alkyl group or a linear alkenyl group of 10-22 carbon atoms or a branched alkyl group of 12-24 carbon atoms, R.sub.2 and R.sub.3 represent individually an ethylene group or a propylene group, and m and n represent individually a number of 0-30, and (b) a nonionic surfactant with HLB of 6 or less. Emulsified cosmetics comprising (a) the neutralized product of the phosphoric acid ester, (b) a nonionic surfactant with HLB of 6 or less, (c) an oily substrate, and (d) water is also disclosed.
    Type: Grant
    Filed: June 9, 1982
    Date of Patent: August 20, 1985
    Assignee: Kao Soap Co., Ltd.
    Inventors: Toshiyuki Suzuki, Tohru Nakamura, Hisao Tsutsumi
  • Patent number: 4514392
    Abstract: Novel, aryl N-(alkylthio-phosphorothio)acyl carbamates represented by structure: ##STR1## wherein the R groups represent various alkyl substituents, and Ar represents an aryl radical with various organic substituents, which exhibit superior insecticidal and miticidal activity.
    Type: Grant
    Filed: June 30, 1983
    Date of Patent: April 30, 1985
    Assignee: Union Carbide Corporation
    Inventor: Themistocles D. J. D'Silva
  • Patent number: H303
    Abstract: This invention describes a composition of matter and a method of treating agricultural substrates in which an active ingredient selected from the group consisting of fungicides, bactericides, insecticides, insect repellents, herbicides and plant growth regulators and mixtures thereof is utilized in conjunction with an amount of a glycoside dispersing agent selected from the group consisting of fructoside, glucoside, mannoside, galactoside, taloside, guloside, alloside, altroside, idoside, arabinsode, xyloside, lyxoside and riboside and mixtures thereof which is sufficient to form an emulsion or dispersion of the active ingredient.
    Type: Grant
    Filed: October 22, 1986
    Date of Patent: July 7, 1987
    Assignee: A. E. Staley Manufacturing Company
    Inventors: Arshad H. Malik, Arno Cahn