Patents by Inventor Max Von Strandtmann

Max Von Strandtmann has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Process for the production of 2-substituted chromones
    Patent number: 4179447
    Abstract: This invention is concerned with a novel process for the production of 2-substituted chromones (I) from readily available 4-methoxycoumarins. ##STR1## These compounds are useful as antiallergy agents.
    Type: Grant
    Filed: November 30, 1978
    Date of Patent: December 18, 1979
    Assignee: Warner-Lambert Company
    Inventors: David T. Connor, Patricia A. Young, Max von Strandtmann
  • Process for the production of 2-substituted chromones
    Patent number: 4158663
    Abstract: This invention is concerned with a novel process for the production of 2-substituted chromones (I) from readily available 4-methoxycoumarins. ##STR1## These compounds are useful as antiallergy agents.
    Type: Grant
    Filed: March 31, 1978
    Date of Patent: June 19, 1979
    Assignee: Warner-Lambert Company
    Inventors: David T. Connor, Patricia A. Young, Max VON Strandtmann
  • 3-(1H-Tetrazol-5-yl)chromones
    Patent number: 4116971
    Abstract: There is described 3-(1H-tetrazol-5-yl)chromones having the following structural formula: ##STR1## in which R is lower alkoxy having 1 to 3 carbon atoms, aryl such as phenyl, halogen or trihalo lower alkyl. These compounds exhibit anti-allergic properties and are indicated in the treatment of allergic conditions such as hay fever and asthma.
    Type: Grant
    Filed: August 15, 1977
    Date of Patent: September 26, 1978
    Assignee: Warner-Lambert Company
    Inventors: Max von Strandtmann, Marvin P. Cohen, Sylvester Klutchko, John Shavel, Jr.
  • 1-Benzoxepino[4,3-c]pyridines
    Patent number: 4116966
    Abstract: The present invention is concerned with 11-oxo-1-benzoxepino[4,3-c]pyridines of Formula I: ##STR1## wherein R.sub.1 and R.sub.2 may be hydrogen, lower alkyl, cyano, carboxamido, carboxy, ethoxycarbonyl or tetrazolyl and R.sub.3 may be hydrogen, lower alkyl, halogen, hydroxy or lower alkoxy.These compounds are indicated in the management of allergic conditions such as bronchial asthma, hay fever and the like.
    Type: Grant
    Filed: November 21, 1977
    Date of Patent: September 26, 1978
    Assignee: Warner-Lambert Company
    Inventors: Sylvester Klutchko, Max VON Strandtmann
  • 1-Benzoxepino[4,3-c]pyridines
    Patent number: 4092322
    Abstract: The present invention is concerned with 11-oxo-1-benzoxepino[4,3-c]pyridines of Formula I: ##STR1## wherein R.sub.1 and R.sub.2 may be hydrogen, lower alkyl, cyano, carboxamido, carboxy, ethoxycarbonyl or tetrazolyl and R.sub.3 may be hydrogen, lower alkyl, halogen, hydroxy or lower alkoxy.These compounds are indicated in the management of allergic conditions such as bronchial asthma, hay fever and the like.
    Type: Grant
    Filed: February 14, 1977
    Date of Patent: May 30, 1978
    Assignee: Warner-Lambert Company
    Inventors: Sylvester Klutchko, Max VON Strandtmann
  • (4-Oxo-4H-1-benzopyran-3-yl)aminooxoacetic acids and their derivatives
    Patent number: 4076729
    Abstract: The present invention relates to compounds of the formula: ##STR1## wherein R.sub.1 is hydrogen, halogen, hydroxy, lower alkoxy or lower alkyl, R.sub.2 is hydrogen or lower alkyl; R.sub.3 is hydrogen or lower alkyl.These compounds, including their corresponding pharmaceutically acceptable salts, are useful in the management of allergic conditions such as hay fever and as a prophylactic in the treatment of bronchial asthma.
    Type: Grant
    Filed: August 2, 1976
    Date of Patent: February 28, 1978
    Assignee: Warner-Lambert Company
    Inventors: David T. Connor, Patricia A. Young, Max VON Strandtmann
  • 4,10-Dihydro-4,10-dioxo-1H-1-benzopyrano[3,2-b]pyridine-3-carboxylic acids, salts and esters
    Patent number: 4066655
    Abstract: The present invention relates to 4,10-dihydro-4,10-dioxo-1H-1-benzopyrano[3,2-b]pyridine-3-carboxylic acids, salts and esters having the formula: ##STR1## wherein R.sub.1 is hydrogen, lower alkyl, halogen, hydroxy or lower alkoxy; R.sub.2 is hydrogen, aralkyl or lower alkyl; R.sub.3 is hydrogen or lower alkyl and their pharmaceutically acceptable salts.These compounds are indicated in the management of allergic conditions such as bronchial asthma, hay fever and the like.
    Type: Grant
    Filed: October 29, 1976
    Date of Patent: January 3, 1978
    Assignee: Warner-Lambert Company
    Inventors: David T. Connor, Patricia A. Young, Max VON Strandtmann
  • 4,10-Dihydro-4,10-dioxo-1H-1-benzopyrano[3,2-b]pyridine-2-carboxylic acids and esters
    Patent number: 4046769
    Abstract: There is disclosed 4,10-dihydro-4,10-dioxo-1H-1-benzopyrano[3,2-b]pyridine-2-carboxylic acids, salts and esters of the formula: ##STR1## wherein R.sub.1 is hydrogen, lower alkyl, halogen, hydroxy or lower alkoxy; R.sub.2 is hydrogen, aralkyl or lower alkyl; R.sub.3 is hydrogen or lower alkyl and their pharmaceutically acceptable salts.These compounds are useful in the management of allergic conditions such as bronchial asthma, hay fever and so on.
    Type: Grant
    Filed: October 29, 1976
    Date of Patent: September 6, 1977
    Assignee: Warner-Lambert Company
    Inventors: David T. Connor, Patricia A. Young, Max VON Strandtmann
  • 2-[1-Imino-2-(methylsulfinyl)ethyl]phenols and 3-[1-imino-2-(methylsulfinyl)ethyl]-2-naphthalenols
    Patent number: 4039579
    Abstract: The present invention relates to 2-[1-imino-2-(methylsulfinyl)ethyl]phenols and 3-[1-imino-2-(methylsulfinyl)ethyl]-2-naphthalenols having the following structural formulas: ##STR1## wherein X is hydrogen, lower alkyl, halogen, lower alkoxy or hydroxy; Y is hydrogen, lower alkyl or cycloalkyl.These compounds exhibit antibacterial activity, particularly against gram-positive bacteria, and are useful in the treatment of bacterial infections caused by these organisms.
    Type: Grant
    Filed: December 8, 1976
    Date of Patent: August 2, 1977
    Assignee: Warner-Lambert Company
    Inventors: David T. Connor, Patricia A. Young, Max VON Strandtmann
  • [2-(4-Oxo-4H-1-benzopyran-2-yl)ethenyl]benzonitriles and benzoic acids
    Patent number: 4033845
    Abstract: The present invention relates to [2-(4-oxo-4H-1-benzopyran-2-yl)ethenyl]benzonitrile and benzoic acids having the following structural formula: ##STR1## in which R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.5, R.sub.6, R.sub.7 and R.sub.8 are hydrogen, lower alkyl, halogen or lower alkoxy, and A is COOH or CN. The compounds of this invention exhibit anti-allergy properties and are indicated in the management of allergic manifestations such as bronchial asthma.
    Type: Grant
    Filed: November 20, 1975
    Date of Patent: July 5, 1977
    Assignee: Warner-Lambert Company
    Inventors: Marvin P. Cohen, John Shavel, Jr., Max VON Strandtmann
  • Substituted (4-oxo-4H-1-benzopyran-2-yl)cyclopropane carboxylic acids and esters
    Patent number: 4018798
    Abstract: The present invention relates to substituted [4-oxo-4H-1-benzopyran-2-yl]cyclopropane carboxylic acids and esters having the following structural formula: ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are hydrogen, alkyl, lower alkoxy, phenyl or when R.sub.1 and R.sub.2 are hydrogen, R.sub.3 and R.sub.4 taken together form an additional aromatic ring and A is hydrogen or ethyl. The compounds of this invention exhibit anti-allergy properties and are indicated in the management of allergic manifestations such as bronchial asthma.
    Type: Grant
    Filed: November 20, 1975
    Date of Patent: April 19, 1977
    Assignee: Warner-Lambert Company
    Inventors: Marvin P. Cohen, John Shavel, Jr., Max Von Strandtmann
  • 2,3-Dihydro-3-(2-pyridinyl)-4H-1-benzopyran-4-one N-oxides
    Patent number: 4013673
    Abstract: There is disclosed 2,3-dihydro-3-(2-pyridinyl)-4H-1-benzopyran-4-one N-oxides of the formula: ##STR1## in which R.sub.1 is hydrogen, halogen, lower alkyl, hydroxy, lower alkoxy or amino; R.sub.2 is hydrogen or --CH.sub.2 OH. These compounds are indicated in the treatment of gastric ulcers.
    Type: Grant
    Filed: April 13, 1976
    Date of Patent: March 22, 1977
    Assignee: Warner-Lambert Company
    Inventors: David T. Connor, Patricia Young, Max Von Strandtmann
  • Heterocyclic annelated 1-benzoxepin-5-ones
    Patent number: 4012411
    Abstract: Compounds of the formula: ##STR1## are disclosed wherein X is NH, O or S and the tautomers thereof when X is nitrogen, and Y is hydrogen, lower alkyl, hydroxy, lower alkoxy, chloro, bromo or aryl. These compounds are useful in the management of allergic manifestations such as bronchial asthma.
    Type: Grant
    Filed: March 3, 1975
    Date of Patent: March 15, 1977
    Assignee: Warner-Lambert Company
    Inventors: Sylvester Klutchko, John Shavel, Jr., Max Von Strandtmann
  • 7-Substituted-9-oxoxanthene-2-carboxaldehydes
    Patent number: 4007205
    Abstract: There are disclosed 7-substituted-9-oxoxanthene-2-carboxaldehydes of the formula: ##STR1## in which R is lower alkoxy or hydroxy. These compounds are indicated in the management of allergic manifestations such as, for example, bronchial asthma or hay fever.
    Type: Grant
    Filed: March 16, 1976
    Date of Patent: February 8, 1977
    Assignee: Warner-Lambert Company
    Inventors: David T. Connor, Max VON Strandtmann
  • 4-Substituted-2, 3-dihydro-1-benzoxepin-3, 5-diones and tautomers
    Patent number: 4001224
    Abstract: Compounds of the formula: ##STR1## are disclosed. In this structural formula X is ##STR2## and Y is hydrogen, lower alkyl, hydroxy, lower alkoxy, chloro, bromo or aryl. Included within the scope of this invention are tautomers of the above compound. These compounds and their tautomers are indicated in the management of allergic manifestations such as bronchial asthma.
    Type: Grant
    Filed: March 18, 1976
    Date of Patent: January 4, 1977
    Assignee: Warner-Lambert Company
    Inventors: Sylvester Klutchko, Max VON Strandtmann
  • 4-Substituted-2,3-dihydro-1-benzoxepin-3,5-diones and tautomers
    Patent number: 3991082
    Abstract: Compounds of the formula: ##SPC1##Are disclosed. In this structural formula X is ##SPC2##And Y is hydrogen, lower alkyl, hydroxy, lower alkoxy, chloro, bromo or aryl. Included within the scope of this invention are tautomers of the above compound. These compounds and their tautomers are indicated in the management of allergic manifestations such as bronchial asthma.
    Type: Grant
    Filed: March 3, 1975
    Date of Patent: November 9, 1976
    Assignee: Warner-Lambert Company
    Inventors: Sylvester Klutchko, Max Von Strandtmann