Patents by Inventor Mel Schroeder

Mel Schroeder 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).

  • 7-substituted quinolones and naphthyridones as antibacterial agents
    Patent number: 5622966
    Abstract: A compound of the formula ##STR1## wherein * denotes an asymmetric carbon; X is C--H, C--F, C--Cl, C--OCH.sub.3, C--CF.sub.3, or N;R.sup.1 is a C.sub.1 -C.sub.4 -alkyl, C.sub.3 -C.sub.6 -cycloalkyl, or phenyl substituted by one or more halogen atoms;R.sup.2 is hydrogen, alkyl of 1 to 4 carbon atoms, or a cation;R.sup.3 is hydrogen, amino, or methyl;V, W, Y, and Z are each independently C--H, oxygen, nitrogen, or sulfur;R.sup.4 is hydrogen or one, two or three substituents independently selected from C.sub.1 -C.sub.4 -alkyl, halo-substituted C.sub.1 -C.sub.4 -alkyl, hydroxy-substituted C.sub.1 -C.sub.4 -alkyl, halogen, hydroxy, C.sub.1 -C.sub.4 -alkoxy, mercapto, amino, mono-(C.sub.1 -C.sub.4 -alkyl)amino, di-(C.sub.1 -C.sub.4 -alkyl)amino, formamido, mono-(C.sub.1 -C.sub.4 -alkyl)amido, di-(C.sub.1 -C.sub.4 -alkyl)amido, cyano, nitro, C.sub.1 -C.sub.4 -alkoxycarbonyl, carboxyl, aminomethyl, mono-(C.sub.1 -C.sub.4 -alkyl)aminomethyl, di-(C.sub.1 -C.sub.
    Type: Grant
    Filed: May 25, 1995
    Date of Patent: April 22, 1997
    Assignee: Warner-Lambert Company
    Inventors: Edgardo Laborde, Mel Schroeder
  • 7-substituted quinolones and naphthyridones as antibacterial agents
    Patent number: 5446044
    Type: Grant
    Filed: September 27, 1994
    Date of Patent: August 29, 1995
    Assignee: Warner-Lambert Company
    Inventors: Edgardo Laborde, Mel Schroeder
  • 7-substituted quinolones and naphthyridones as antibacterial agents
    Patent number: 5384407
    Abstract: A compound of the formula ##STR1## V, W, Y, and Z are each independently C--H, oxygen, nitrogen, or sulfur; T is C--H or nitrogen;n is 0 or 1;R.sup.4 is hydrogen or one, two or three substituents independently selected from C.sub.1 -C.sub.4 -alkyl, halo-substituted C.sub.1 -C.sub.4 -alkyl, hydroxy-substituted C.sub.1 -C.sub.4 -alkyl, halogen, hydroxy, C.sub.1 -C.sub.4 -alkoxy, mercapto, amino, mono-(C.sub.1 -C.sub.4 -alkyl)amino, di-(C.sub.1 -C.sub.4 -alkyl)amino, formamido, mono-(C.sub.1 -C.sub.4 -alkyl)amido, di-(C.sub.1 -C.sub.4 -alkyl)amido, cyano, nitro, C.sub.1 -C.sub.4 -alkoxycarbonyl, carboxyl, aminomethyl, mono-(C.sub.1 -C.sub.4 -alkyl)aminomethyl, di-(C.sub.1 -C.sub.4 -alkyl)aminomethyl, wherein free hydroxy and amino groups may be protected.
    Type: Grant
    Filed: March 30, 1994
    Date of Patent: January 24, 1995
    Assignee: Warner-Lambert Company
    Inventors: Edgardo Laborde, Mel Schroeder
  • 7-substituted quinolones and naphthyridones as antibacterial agents
    Patent number: 5342844
    Abstract: 7-Substituted quinolones and naphthyridones are described as antibacterial agents as well as a process for their manufacture, compositions therefor, wherein the 7-substituent is a pyrrolidine ring substituted at the 3-position by a substituted aromatic hydrocarbon or a heteroaromatic group.
    Type: Grant
    Filed: February 5, 1993
    Date of Patent: August 30, 1994
    Assignee: Warner-Lambert Company
    Inventors: Edgardo Laborde, Mel Schroeder
  • 7-substituted quinolones and naphthyridones as antibacterial agents
    Patent number: 5221676
    Abstract: 7-Substituted quinolones and naphthyridones are described as antibacterial agents as well as a process for their manufacture, compositions therefor, wherein the 7-substituent is a pyrrolidine ring substituted at the 3-position by a substituted aromatic hydrocarbon or a heteroaromatic group.
    Type: Grant
    Filed: February 6, 1992
    Date of Patent: June 22, 1993
    Assignee: Warner-Lambert Company
    Inventors: Edgardo Laborde, Mel Schroeder