Patents Represented by Attorney W. Dennis Drehkoff
  • Patent number: 4388308
    Abstract: N.sup.6 -2-hydroxypropylaryl-substituted adenosines and adenines represented by the formula ##STR1## wherein R.sub.1 is selected from the group consisting of naphthyl, phenyl, substituted phenyl or biphenyl; and R.sub.2 is hydrogen or 1-.beta.-ribosyl; and the pharmaceutically acceptable salts thereof. The compounds are anti-hypertensive agents.
    Type: Grant
    Filed: June 9, 1980
    Date of Patent: June 14, 1983
    Assignee: G.D. Searle & Co.
    Inventors: Robert W. Hamilton, Richard E. L. Henderson, Barnett S. Pitzele
  • Patent number: 4356302
    Abstract: 4H-1,4 benzothiazine derivatives having anorectic activity and their preparation including intermediate compounds are disclosed.
    Type: Grant
    Filed: March 9, 1981
    Date of Patent: October 26, 1982
    Assignee: G. D. Searle & Co.
    Inventors: Robert J. Chorvat, Bipinchandra N. Desai, Suzanne E. Radak
  • Patent number: 4355182
    Abstract: Hydroxy-substituted phosphoranes and salts thereof represented by Formulae I and II ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3 are the same or different members of the group consisting of lower alkyl, C.sub.5 -C.sub.6 cycloalkyl, and ##STR2## wherein q is an integer from 0 to 4 and Y is selected from the group consisting of hydrogen, halogen, lower alkyl and lower alkoxy; R.sub.4 can be hydrogen or C.sub.1 -C.sub.3 straight or branched chain alkyl; the sum of n+m=3-5; R.sub.5 is hydrogen or lower alkyl; R.sub.6 and R.sub.7 are the same or different members of the group consisting of hydrogen, lower alkyl, and ##STR3## p is an integer of 0 or 1; and X is an anion. The compounds are useful as intermediates for the heterocyclic phosphonium salts disclosed and claimed in U.S. Pat. No. 4,075,407. An improved process for preparing the phosphonium salts of U.S. Pat. No. 4,075,407 is also provided by the present invention.
    Type: Grant
    Filed: July 28, 1980
    Date of Patent: October 19, 1982
    Assignee: G.D. Searle & Co.
    Inventor: Richard A. Mueller
  • Patent number: 4348388
    Abstract: 11-Amino-11-deoxydaunorubicin and analogs represented by the formula: ##STR1## wherein: R is hydrogen, hydroxy or methoxy; R.sub.1 is hydrogen or hydroxy; and the pharmaceutically acceptable salts thereof.The compounds are useful in ameliorating tumor growth.
    Type: Grant
    Filed: April 2, 1980
    Date of Patent: September 7, 1982
    Assignee: G.D. Searle & Co.
    Inventors: Robert B. Garland, Raphael Pappo, Paul B. Sollman
  • Patent number: 4347192
    Abstract: Derivatives of .alpha.,.beta.-unsaturated ketones having anticonvulsant activity and methods of their preparation from heterocyclic phosphonium salts and acyclic phosphoranes are disclosed.
    Type: Grant
    Filed: July 24, 1980
    Date of Patent: August 31, 1982
    Assignee: G. D. Searle & Co.
    Inventor: Richard A. Mueller
  • Patent number: 4340730
    Abstract: Novel N.sup.6 -adenosines according to formula I are disclosed. These novel compounds are useful as antihypertensive agents.
    Type: Grant
    Filed: January 30, 1981
    Date of Patent: July 20, 1982
    Assignee: G. D. Searle & Co.
    Inventors: Richard E. L. Henderson, Nancy J. Malek, Alan E. Moormann, Barnett S. Pitzele
  • Patent number: 4336252
    Abstract: 1-Cycloalkyl phosphonium salts represented by the formula ##STR1## wherein: R is selected from the group consisting of lower alkyl, hydroxy lower alkyl, halo lower alkyl, amino lower alkyl, cyano lower alkyl, lower alkenyl with the limitation that the double bond is not on the carbon atom attached to the oxygen atom, benzyl, substituted benzyl and ##STR2## wherein q is 0 or 1 and R.sub.4 is selected from the group consisting of hydroxy, loweralkoxy, phenyl, substituted phenyl, and ##STR3## wherein R.sub.5 and R.sub.6 are the same or different members of the group consisting of hydrogen and loweralkyl or taken together form a 5 or 6 membered ring; m is 1, 2 or 3; n is 0 or 1; o is 0 or 1; p is 0 or 1; R.sub.1, R.sub.2 and R.sub.3 are the same or different members of the group consisting of hydrogen, lower alkyl, lower alkoxy and halo; and X is a pharmaceutically acceptable anion. The compounds are useful as analgesic agents.
    Type: Grant
    Filed: August 6, 1980
    Date of Patent: June 22, 1982
    Assignee: G. D. Searle & Co.
    Inventor: Richard A. Mueller
  • Patent number: 4336243
    Abstract: The present invention provides a trans-dermal delivery pad for nitroglycerin administration, specifically a microsealed, trans-dermal nitroglycerin pad having a backing which is impervious to nitroglycerin absorption and transport and a silicon matrix affixed thereto, said silicone polymer matrix being of cross-linked silicone rubber having from about 10 to 200 micron microsealed compartments being formed by in situ cross-linking of the silicone rubber after it is mixed with a hydrophilic solvent system containing the nitroglycerin and a hydrophobic solvent which enhances nitroglycerin dispersion and transport.
    Type: Grant
    Filed: May 4, 1981
    Date of Patent: June 22, 1982
    Assignee: G. D. Searle & Co.
    Inventors: Dilip R. Sanvordeker, James G. Cooney, Ronald C. Wester
  • Patent number: 4329295
    Abstract: 24-Cyclopropylcholene-3.beta., 22-diols and esters thereof which control serum cholesterol levels and their preparation are disclosed.
    Type: Grant
    Filed: June 29, 1981
    Date of Patent: May 11, 1982
    Assignee: G. D. Searle & Co.
    Inventor: Robert J. Chorvat
  • Patent number: 4324902
    Abstract: 7-[5-oxo-3-hydroxy-2-(3-substituted)-3-hydroxypropyl)-1-cyclopentene]-hepta noic acids having the following general formula ##STR1## wherein X is oxygen or hydroxyl, R.sub.1 and R.sub.3 are independently hydrogen or methyl, and R.sub.2 is --(CH.sub.2)n-Y where n is an integer from 0 through 4 inclusive, and Y is phenyl, or a cycloalkyl group having 4 to 6 carbon atoms. Said acids as well as certain derivatives thereof are useful as nasal decongestants, inhibitors of gastric secretion, inhibitors of platelet aggregation, blood additives, smooth muscle stimulators, hypotensive agents, labor inducers, and in controlling ovulation.
    Type: Grant
    Filed: April 16, 1981
    Date of Patent: April 13, 1982
    Assignee: G. D. Searle & Co.
    Inventors: Masateru Miyano, Clifford R. Dorn
  • Patent number: 4309185
    Abstract: Method of determining the quality of fish prior to processing and packaging thereof which comprises measuring the quantitative distribution of trimethylamine in the fish and more particularly, the extent of migration of trimethylamine from dark to light meat in the fish.
    Type: Grant
    Filed: February 12, 1979
    Date of Patent: January 5, 1982
    Assignee: Ralston Purina Company
    Inventors: Frank J. Simon, Wilfred B. Slater
  • Patent number: 4301146
    Abstract: A stable solid dosage form of the compound .+-.methyl(7-[3(.alpha.)-hydroxy-2-.beta.-(4(RS)-4-hydroxy-4-methyl-trans- 1-octen-1-yl)-oxycyclopent-1.alpha.-yl]heptanoate, said solid dosage form comprising from about 50 to about 500 parts of a polymer selected from the group consisting of hydroxypropylmethyl cellulose and polyvinylpyrolidone per part of said compound.
    Type: Grant
    Filed: July 29, 1980
    Date of Patent: November 17, 1981
    Assignee: G. D. Searle & Co.
    Inventor: Dilip R. Sanvordeker
  • Patent number: 4299774
    Abstract: 25-Alkylcholest-5-ene-3.beta.,22-diols and esters thereof adapted to inhibit the activity of 3-hydroxy-3-methylglutaryl coenzyme A reductase are disclosed.
    Type: Grant
    Filed: April 30, 1980
    Date of Patent: November 10, 1981
    Assignee: G. D. Searle & Co.
    Inventor: Robert J. Chorvat
  • Patent number: 4297487
    Abstract: Phosphonium salts represented by the formula ##STR1## wherein: R is selected from the group consisting of lower alkyl, phenyl, substituted phenyl, benzyl and substituted benzyl; R.sub.1 is hydrogen or lower alkyl; R.sub.2 is hydrogen or loweralkyl; or R.sub.1 and R.sub.2 taken together form a 5 or 6 membered saturated or unsaturated carbocyclic ring with the limitation that R.sub.1 is on the carbon atom adjacent the carbon atom bearing R.sub.2, m is 1,2 or 3; n is 0 or 1; o is 0 or 1; p is 0 or 1; R.sub.3, R.sub.4 and R.sub.5 are the same or different members of the group consisting of hydrogen, lower alkyl, lower alkoxy and halo; R.sub.6 is hydrogen or C.sub.1 --C.sub.3 straight or branched chain alkyl; and X is a pharmaceutically acceptable anion. Compounds wherein R is phenyl, substituted phenyl, benzyl or substituted benzyl are narcotic antagonists. Compounds wherein R.sub.1 and R.sub.2 are hydrogen or lower alkyl when R is lower alkyl are mixed agonist/antagonist analgesic agents and compounds where R.
    Type: Grant
    Filed: August 6, 1980
    Date of Patent: October 27, 1981
    Assignee: G. D. Searle & Co.
    Inventor: Richard A. Mueller
  • Patent number: PP6093
    Abstract: A new, hybrid carnation, distinguished by its profuse production of Tyrian Purple flowers of medium size, each petal of which is bordered with a ruffled margin of a light color, approaching white, the flowers being borne singly on strong, upright pedicels, which are carried on sturdy, upright peduncles about 45-60 cm. long.
    Type: Grant
    Filed: November 15, 1985
    Date of Patent: February 2, 1988
    Assignee: Klemm & Sohn
    Inventor: Giacomo Nobbio
  • Patent number: PP6161
    Abstract: A new and distinct carnation cultivar characterized by its profuse production of generally white flowers having deeply indented margins. The petals exhibits a slightly yellow coloration at the level of the claw of the petals, and their margins are deeply indented.
    Type: Grant
    Filed: March 20, 1986
    Date of Patent: April 26, 1988
    Inventor: Giacomo Nobbio
  • Patent number: PP6162
    Abstract: A new variety of carnation of the closed calyx or non-splitting type, characterized by a vigorous growth and precocious blooming habit of very large flowers having dark red and violet coloration of its petals which are bordered by white margins.
    Type: Grant
    Filed: March 20, 1986
    Date of Patent: April 26, 1988
    Inventor: Giacomo Nobbio
  • Patent number: PP6167
    Abstract: A new and distinct lily cultivar of the Oriental hybrid type characterized by its very large, somewhat upward facing, oval shaped flowers with an unusual and distinctive color pattern, the midrib of each flower tepal being colored a rich red-purple color which suffuses outwardly through a light pink to a pure white margin, each tepal being copiously marked on each side of the midrib with maculae of red-purple color over the middle 12 cm. of each tepal.
    Type: Grant
    Filed: May 8, 1986
    Date of Patent: May 3, 1988
    Assignee: Melridge Inc.
    Inventor: Ted T. Kirsch
  • Patent number: PP6168
    Abstract: A new and distinct lily cultivar of the Oriental hybrid type particularly characterized by its very short stature and its relatively large bowl-shaped flowers of rich magenta-rose coloration borne as a compact raceme, and by its deep rose pink bud coloration before the flowers open, the compact inflorescence being borne on an unusually short peduncle.
    Type: Grant
    Filed: May 8, 1986
    Date of Patent: May 3, 1988
    Assignee: Melridge Inc.
    Inventor: Ted T. Kirsch
  • Patent number: PP6173
    Abstract: A new and distinct lily cultivar of the Oriental hybrid type characterized by its short stature and silhouette and a compact raceme of large, light pink flowers of good form and substance, with abundant foliage, the plant also having a sturdy and vigorous growth habit and being capable of forced out-of-season production with reliable performance.
    Type: Grant
    Filed: May 8, 1986
    Date of Patent: May 10, 1988
    Assignee: Melridge Inc.
    Inventor: Ted T. Kirsch