Patents Represented by Attorney George M. Yahwak
  • Patent number: 4033961
    Abstract: This invention relates to novel compounds of the pyrido-[2,1-b]-quinazolin-one series and their methods of preparation. These compounds have utility as antiallergy agents.
    Type: Grant
    Filed: October 7, 1975
    Date of Patent: July 5, 1977
    Assignee: Warner-Lambert Company
    Inventors: Charles F. Schwender, Brooks R. Sunday
  • Patent number: 4028398
    Abstract: The present invention relates to a process for 3r-N-Monomethylamino-4 cis-phenyl-4 trans-ethoxycarbonyl-cyclohexene and its N-substitution products which are generally useful as analgesics.
    Type: Grant
    Filed: October 20, 1975
    Date of Patent: June 7, 1977
    Assignee: Warner-Lambert Company
    Inventors: Gerhard Satzinger, Gustav Hechtfischer
  • Patent number: 4028383
    Abstract: This invention relates to novel substituted indolopyrones which have utility in preventing allergic and asthmatic reactions in mammals.
    Type: Grant
    Filed: September 8, 1975
    Date of Patent: June 7, 1977
    Assignee: Warner-Lambert Company
    Inventors: Richard E. Brown, Paul C. Unangst
  • Patent number: 4024175
    Abstract: The present invention is concerned with new cyclic amino acids and with the preparation thereof.
    Type: Grant
    Filed: December 31, 1975
    Date of Patent: May 17, 1977
    Assignee: Warner-Lambert Company
    Inventors: Gerhard Satzinger, Johannes Hartenstein, Manfred Herrmann, Wolfgang Heldt
  • Patent number: 4022818
    Abstract: This invention relates to 4r-amino-1t-phenyl-1c-ethoxycarbonyl-cyclohexenes-(2) of formula I: ##STR1## wherein R.sub.1 and R.sub.2 are the same or different and are hydrogen or alkyl having 1 to 4 carbon atoms, or one of the two groups is allyl, phenalkyl having 7 to 9 carbon atoms or .alpha.-methyl-.beta.-hydroxyethyl; or R.sub.1 and R.sub.2 together form a morpholino group, piperazino group substituted at the 4- position by methyl, benzyl, phenyl, 3-chlorophenyl, 4-chlorophenyl, 2-phenethyl or benzoyl, or a piperidino group substituted at the 4- position by hydroxyl, phenyl, 2-methoxyphenyl, 4-methoxyphenyl, methyl or benzyl and medically acceptable addition compounds derived from inorganic and organic acids or lower alkyl halides. The compounds of the present invention are prepared by separation of 4-amino-1-phenyl-1-ethoxycarbonyl-cyclohexenes-(2), described in U.S. Pat. application Ser. No. 226,509, filed Feb. 15, 1972, now U.S. Pat. No. 3,957,851 into the two possible geometrical isomers.
    Type: Grant
    Filed: June 10, 1975
    Date of Patent: May 10, 1977
    Assignee: Warner-Lambert Company
    Inventors: Gerhard Satzinger, Manfred Herrmann
  • Patent number: 4018775
    Abstract: The present invention is concerned with new pharmacologically effective 5-phenyl-thiazolidin-4-one derivatives and with the preparation thereof. These compounds are useful for treating liver dysfunctions.
    Type: Grant
    Filed: April 30, 1975
    Date of Patent: April 19, 1977
    Assignee: Warner-Lambert Company
    Inventors: Gerhard Satzinger, Manfred Herrmann
  • Patent number: 4018766
    Abstract: Disclosed are novel substituted benzopyranopyridines which are active as bronchodilators.
    Type: Grant
    Filed: June 25, 1975
    Date of Patent: April 19, 1977
    Assignee: Warner-Lambert Company
    Inventors: Richard E. Brown, Chester Puchalski, John Shavel, Jr.
  • Patent number: 4018825
    Abstract: Compounds of the formula: ##STR1## are disclosed, wherein R.sub.1 and R.sub.2 are hydrogen; or where R.sub.1 is methyl, R.sub.2 is hydrogen, phenyl, or phenyl substituted in the para-position by hydroxy, alkoxy, chloro, phenyl or alkyl having 1-6 carbon atoms. The compounds of this invention are useful in the treatment of bronchial asthma. These compounds exhibit unique biological properties in that they provide the desired bronchial dilation effect without accompanying cardiac stimulation.
    Type: Grant
    Filed: April 7, 1976
    Date of Patent: April 19, 1977
    Assignee: Warner-Lambert Company
    Inventors: Charles F. Schwender, John Shavel, Jr.
  • Patent number: 4018793
    Abstract: The present invention relates to novel benzo(b)thiophene derivatives of the general formula: ##STR1## wherein Y represents a hydrogen or halogen atom; A represents a hydrogen atom or a phenyl group which may be substituted with a halogen atom or a lower alkoxy group; B represents a radical of the formula OR' or NR.sup.2 N.sup.3, wherein R' is an alkyl radical of 1 to 5 carbons which may be substituted with hydroxy, lower alkoxy, phenyl or phenoxy groups or a cycloalkyl or phenyl group which may be substituted by lower alkoxy or halogen atoms; R.sup.2 and R.sup.3, which may be identical or different, represent, if identical, hydrogen, alkyl radicals of 1 to 5 carbon atoms which may be substituted by hydroxy, lower alkoxy, phenoxy, di-lower alkylamino, or phenyl groups; or, if R.sup.2 is hydrogen, R.sup.
    Type: Grant
    Filed: May 12, 1976
    Date of Patent: April 19, 1977
    Assignee: Warner-Lambert Company
    Inventors: Peter Johannes Stoss, Manfred Franz Reinhold Herrmann, Gerhard Satzinger
  • Patent number: 4013660
    Abstract: This invention relates to substituted indolobenzoxazepines which show neuroleptic activity.
    Type: Grant
    Filed: October 30, 1975
    Date of Patent: March 22, 1977
    Assignee: Warner-Lambert Company
    Inventor: Richard E. Brown
  • Patent number: 4013778
    Abstract: The present invention relates to a method for reducing blood pressure in a hypertensive mammal by the administration of a novel hydroxypyrimidine of the formula: ##STR1##
    Type: Grant
    Filed: September 29, 1975
    Date of Patent: March 22, 1977
    Assignee: Warner-Lambert Company
    Inventors: Glenn C. Morrison, Wiaczeslaw A. Cetenko
  • Patent number: 4013686
    Abstract: Processes for the production of the compounds of the formula: ##STR1## are disclosed. In the above formula, R.sub.1 is aryl which may be substituted or unsubstituted; R.sub.2 is hydrogen, alkyl, aryl, aralkyl, alkoxy, halogen, cyano, nitro, trifluoromethyl and the like.These compounds are prepared by the following reaction schemes: ##STR2## These compounds are useful as anti-inflammatory agents.
    Type: Grant
    Filed: December 6, 1974
    Date of Patent: March 22, 1977
    Assignee: Warner-Lambert Company
    Inventors: Harold Zinnes, Neil A. Lindo
  • Patent number: 4013671
    Abstract: Substituted benzopyrano[3,4-c]pyridines having the following structural formula are disclosed: ##STR1## In the above formula, R.sub.1 R.sub.2 are hydrogen, a hydroxyl group or a lower alkoxyl group of from 1 to 6 carbon atoms; R.sub.3 is hydrogen or a lower alkyl group of from 1 to 6 carbon atoms and X is an oxygen atom, a sulfur atom, a methylene group or a nitrogen atom substituted by hydrogen, a lower alkyl group of from 1 to 6 carbon atoms or a lower alkanoyl group of from 1 to 6 carbon atoms. The compounds of this invention are prepared by reacting an R.sub.1, R.sub.2 -substituted phenol with a 3-carbethoxy-4-piperidone in the presence of an acid catalyst to give an intermediate R.sub.1, R.sub.2 -substituted benzopyrano[3,4-c] pyridine. N-aminoalkylbenzopyrano[3,4-c]pyridines are obtained by treating the benzopyrano[3,4-c]pyridine with an appropriately substituted alkyl halide. The compounds of this invention are useful as bronchodilators for the treatment of bronchial asthma.
    Type: Grant
    Filed: March 15, 1976
    Date of Patent: March 22, 1977
    Assignee: Warner-Lambert Company
    Inventors: Richard E. Brown, John Shavel, Jr.
  • Patent number: 4011941
    Abstract: An apparatus comprising a sterilizing capsule for the sterilizing of soft contact lenses in an aqueous hydrogen peroxide solution is disclosed.
    Type: Grant
    Filed: April 28, 1975
    Date of Patent: March 15, 1977
    Assignee: Warner-Lambert Company
    Inventor: Frederick L. Parsons
  • Patent number: 4012387
    Abstract: This invention relates to novel benzo- and tetrahydrobenzo-[f,g and h]pyrido[2,1-b]quinazolin-ones and their methods of preparation. These compounds have utility as antiallergy agents.
    Type: Grant
    Filed: September 18, 1975
    Date of Patent: March 15, 1977
    Assignee: Warner-Lambert Company
    Inventors: Charles F. Schwender, Brooks R. Sunday
  • Patent number: 4012395
    Abstract: The present invention relates to novel thiazolidinone acetic acid derivatives and their preparation. These derivatives show diuretic properties when used as pharmaceuticals.
    Type: Grant
    Filed: September 24, 1975
    Date of Patent: March 15, 1977
    Assignee: Warner-Lambert Company
    Inventors: Gerhard Satzinger, Manfred Herrmann, Karl-Otto Vollmer
  • Patent number: 4008233
    Abstract: This invention relates to 4r-amino-1t-phenyl-1c-ethoxycarbonyl-cyclohexenes-(2) of formula I: ##STR1## wherein R.sub.1 and R.sub.2 are the same or different and are hydrogen or alkyl having 1 to 4 carbon atoms, or one of the two groups is allyl, phenalkyl having 7 to 9 carbon atoms or .alpha.-methyl-.beta.-hydroxyethyl; or R.sub.1 and R.sub.2 together form a morpholino group, piperazino group substituted at the 4- position by methyl, benzyl, phenyl, 3-chlorophenyl, 4-chlorophenyl, 2-phenethyl or benzoyl, or a piperidino group substituted at the 4- position by hydroxyl, phenyl, 2-methoxyphenyl, 4-methoxyphenyl, methyl or benzyl and medically acceptable addition compounds derived from inorganic and organic acids or lower alkyl halides. The compounds of the present invention are prepared by separation of 4-amino-1-phenyl-1-ethoxycarbonyl-cyclohexenes-(2), described in U.S. Patent Application Ser. No. 226,509, filed Feb. 15, 1972, into the two possible geometrical isomers.
    Type: Grant
    Filed: November 29, 1974
    Date of Patent: February 15, 1977
    Assignee: Warner-Lambert Company
    Inventors: Gerhard Satzinger, Manfred Herrmann
  • Patent number: 4007203
    Abstract: Processes for the production of the compounds of the formula: ##STR1## are disclosed. In the above formula, R.sub.1 is aryl which may be substituted or unsubstituted; R.sub.2 is hydrogen, alkyl, aryl, aralkyl, alkoxy, halogen, cyano, nitro, trifluoromethyl and the like.These compounds are prepared by the following reaction schemes: ##STR2## These compounds are useful as anti-inflammatory agents.
    Type: Grant
    Filed: August 13, 1975
    Date of Patent: February 8, 1977
    Assignee: Warner-Lambert Company
    Inventors: Harold Zinnes, Neil A. Lindo
  • Patent number: 4003988
    Abstract: Direct agglutination reagent for pregnancy testing which comprises the use of suspensions of polystyrene latex particles sensitized with a globulin fraction of anti-serum to human chorionic gonadotropin (HCG). When mixed with urine or blood serum samples containing HCG, this reagent agglutinates indicating a positive test for pregnancy.
    Type: Grant
    Filed: June 1, 1976
    Date of Patent: January 18, 1977
    Assignee: Warner-Lambert Company
    Inventors: Gail Hoff, Metka Prevorsek
  • Patent number: 4002739
    Abstract: A soluble lyophilized collagen preparation is disclosed which is capable of reproducible aggregating platelets.
    Type: Grant
    Filed: February 18, 1975
    Date of Patent: January 11, 1977
    Assignee: Warner-Lambert Company
    Inventors: James E. Turner, James R. Butler