Patents by Inventor Middleton B. Floyd, Jr.

Middleton B. Floyd, Jr. 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).

  • Patent number: 4477388
    Abstract: Vinylstannyl derivatives and the processes for their conversion to vinyliodides, vinylbromides and vinyllithium reagents. The vinylstannyl, vinyliodides, vinylbromide derivatives and vinyllithiums are useful as intermediates for the preparation of prostaglandin analogs.
    Type: Grant
    Filed: October 7, 1983
    Date of Patent: October 16, 1984
    Assignee: American Cyanamid Company
    Inventors: Middleton B. Floyd, Jr., Charles V. Grudzinskas, Sow-Mei L. Chen
  • Patent number: 4474810
    Abstract: Arylglyoxals which are new compounds, active as hypoglycemic agents.
    Type: Grant
    Filed: January 27, 1983
    Date of Patent: October 2, 1984
    Assignee: American Cyanamid Company
    Inventors: Middleton B. Floyd, Jr., Vern G. DeVries
  • Patent number: 4474809
    Abstract: Arylglyoxals which are new compounds active as hypoglycemic agents.
    Type: Grant
    Filed: January 20, 1983
    Date of Patent: October 2, 1984
    Assignee: American Cyanamid Company
    Inventors: Middleton B. Floyd, Jr., Vern G. DeVries
  • Patent number: 4474979
    Abstract: A conjugate addition reaction and novel intermediate compounds are disclosed, whereby the reaction of ##STR1## with a lithio-cuprate reagent ##STR2## produces compounds of the class: ##STR3## A new process is disclosed for preparing 1-(methyl)-16,16-(dimethyl)-11-alpha-15-alpha-dihydroxy-9-oxo-2,13,trans,t rans-prostadienoate, and congeners thereof, including racemic mixtures.
    Type: Grant
    Filed: September 27, 1982
    Date of Patent: October 2, 1984
    Assignee: American Cyanamid Company
    Inventor: Middleton B. Floyd, Jr.
  • Patent number: 4439365
    Abstract: This disclosure describes certain 11-hydroxy and 11-deoxy-9-keto(or hydroxy)-prostanoic acid derivatives useful as bronchodilators, anti-ulcer agents, or as intermediates.
    Type: Grant
    Filed: July 18, 1979
    Date of Patent: March 27, 1984
    Assignee: American Cyanamid Company
    Inventors: Middleton B. Floyd, Jr., Martin J. Weiss, John F. Poletto, Robert E. Schaub, Karel F. Bernady
  • Patent number: 4429148
    Abstract: This disclosure describes novel 15-deoxy-16-hydroxy-16-substituted prostanoic acids and congeners thereof having utility as bronchodilators as hypotensive agents, and as agents for the control of excessive gastric secretion.
    Type: Grant
    Filed: September 25, 1981
    Date of Patent: January 31, 1984
    Assignee: American Cyanamid Company
    Inventors: Middleton B. Floyd, Jr., Martin J. Weiss, Charles V. Grudzinskas, Sow-Mei Lai Chen
  • Patent number: 4404393
    Abstract: 15-Deoxy-16-(halovinyl)-16-hydroxy prostaglandins have been prepared.
    Type: Grant
    Filed: May 29, 1981
    Date of Patent: September 13, 1983
    Assignee: American Cyanamid Company
    Inventor: Middleton B. Floyd, Jr.
  • Patent number: 4360688
    Abstract: Novel compounds are disclosed of the classes: ##STR1## wherein the subscript n is an integer from 3-5, inclusive, R.sub.1 is hydrogen or R.sub.2 ; R.sub.2 and R.sub.3 consist essentially of C.sub.1 -C.sub.6 alkyl and R.sub.2 may be the same as or different from R.sub.3, and wherein Aryl consists essentially of phenyl and phenyl substituted with halogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, and trifluoromethyl;(b) derivatives of furan having the formula ##STR2## wherein R.sub.4 consists essentially of hydrogen and C.sub.1 -C.sub.6 alkyl, and W is either carbonyl or carbinol; and(c) cyclopentenonyl compounds having the formulas ##STR3## wherein R.sub.5 consists essentially of hydrogen and C.sub.1 -C.sub.6 alkyl, P.sub.1 is hydrogen or a protective group, Y is either ##STR4## A new process is disclosed for preparing 1-(methyl)-16,16-(dimethyl)-11-alpha-15-alpha-dihydroxy-9-oxo-2,13,trans, trans-prostadienoate, and congeners thereof, including racemic mixtures.
    Type: Grant
    Filed: May 21, 1981
    Date of Patent: November 23, 1982
    Assignee: American Cyanamid Company
    Inventor: Middleton B. Floyd, Jr.
  • Patent number: 4358605
    Abstract: This disclosure describes novel 15-deoxy-16-hydroxy-16- substituted prostanoic acids and congeners thereof having utility as bronchodilators as hypotensive agents, and as agents for the control of excessive gastric secretion, and particularly, alkyl esters, such as the methyl ester, of such acids.
    Type: Grant
    Filed: May 8, 1980
    Date of Patent: November 9, 1982
    Assignee: American Cyanamid Company
    Inventors: Middleton B. Floyd, Jr., Martin J. Weiss, Charles V. Grudzinskas, Sow-Mei L. Chen
  • Patent number: 4343949
    Abstract: This disclosure describes 2-substituted-3,4-epoxycyclopentan-1-ones, 2-substituted-3,4-epoxycyclopentan-1-ols, and various 2-substituted-cyclopentenones useful as intermediates for the preparation of certain 11-hydroxy- and 11-deoxy-9-keto(or hydroxy)-prostanoic acid derivatives which possess bronchodilator, hypotensive, and anti-ulcer activity.
    Type: Grant
    Filed: October 12, 1979
    Date of Patent: August 10, 1982
    Assignee: American Cyanamid Company
    Inventors: Karel F. Bernady, Middleton B. Floyd, Jr., John F. Poletto, Robert E. Schaub, Martin J. Weiss
  • Patent number: 4338252
    Abstract: This disclosure describes certain 11-hydroxy and 11-deoxy-1-ketocarboxylic acid prostanoic acids and derivatives useful as bronchodilators, hypotensive agents, anti-ulcer agents or intermediates.
    Type: Grant
    Filed: February 26, 1981
    Date of Patent: July 6, 1982
    Assignee: American Cyanamid Company
    Inventor: Middleton B. Floyd, Jr.
  • Patent number: 4328358
    Abstract: This disclosure describes novel 15-deoxy-16-hydroxy-16-substituted prostanoic acids and congeners thereof having utility as bronchodilators as hypotensive agents, and as agents for the control of excessive gastric secretion.
    Type: Grant
    Filed: September 26, 1979
    Date of Patent: May 4, 1982
    Assignee: American Cyanamid Company
    Inventors: Middleton B. Floyd, Jr., Martin J. Weiss, Charles V. Grudzinskas, Sow-Mei L. Chen
  • Patent number: 4322546
    Abstract: This invention disclosed herein relates to pharmacologically active 15-deoxy-16-hydroxy prostaglandin derivatives of the E and F series wherein C.sub.16 is substituted with allenyl.These compounds are active as hypotensives, antisecretory, bronchodilating and fertility control agents.
    Type: Grant
    Filed: April 21, 1980
    Date of Patent: March 30, 1982
    Assignee: American Cyanamid Company
    Inventor: Middleton B. Floyd, Jr.
  • Patent number: 4310700
    Abstract: Prostaglandin analogs are disclosed that have the .alpha.-chain terminating with the group --CH(OR')OR" wherein R' and R" are the same or different and are hydrogen, C.sub.1 to C.sub.4 alkanoyl or optionally substituted benzoyl, the substituents selected from the group C.sub.1 to C.sub.4 alkyl, C.sub.1 to C.sub.4 alkoxy, halo and trifluoromethyl. These compounds are useful as hypotensive agents, gastric secretory and platelet aggregation enhibitors and bronchodilators.
    Type: Grant
    Filed: April 3, 1980
    Date of Patent: January 12, 1982
    Assignee: American Cyanamid Company
    Inventors: Allan Wissner, Middleton B. Floyd, Jr.
  • Patent number: 4298754
    Abstract: 15-Deoxy-16-hydroxy-16-(1 halovinyl) prostaglandins have been prepared.
    Type: Grant
    Filed: June 7, 1979
    Date of Patent: November 3, 1981
    Assignee: American Cyanamid Company
    Inventor: Middleton B. Floyd, Jr.
  • Patent number: 4293704
    Abstract: This invention relates to novel 4-oxy-2-substituted-cyclopent-2-en-1-ones of the following general formula: ##STR1## and the optical antipodes, racemic mixtures, and diastereomeric mixtures thereof wherein p is an integer from 2 to 6, inclusive, and J is hydrogen or an appropriate and compatible blocking group such as tetrahydropyranyl or tri(lower alkyl)silyl. Suitable lower alkyl groups contemplated by the present invention are those having up to four carbon atoms such as methyl, ethyl, isopropyl, tert-butyl, etc.
    Type: Grant
    Filed: January 28, 1980
    Date of Patent: October 6, 1981
    Assignee: American Cyanamid Company
    Inventors: Karel F. Bernady, Middleton B. Floyd, Jr., John F. Poletto, Robert E. Schaub, Martin J. Weiss
  • Patent number: 4291175
    Abstract: Prostaglandin analogs are disclosed that have the .alpha.-chain terminating with the group --CH(OR')OR" wherein R' and R" are the same or different and are hydrogen, C.sub.1 to C.sub.4 alkanoyl or optionally substituted benzoyl, the substituents selected from the group C.sub.1 to C.sub.4 alkyl, C.sub.1 to C.sub.4 alkoxy, halo and trifluoromethyl. These compounds are useful as hypotensive agents, gastric secretory and platelet aggregation enhibitors and bronchodilators.
    Type: Grant
    Filed: April 3, 1980
    Date of Patent: September 22, 1981
    Assignee: American Cyanamid Company
    Inventors: Allan Wissner, Middleton B. Floyd, Jr.
  • Patent number: 4291174
    Abstract: Prostaglandin analogs are disclosed that have the .alpha.-chain terminating with the group --CH(OR')OR" wherein R' and R" are the same or different and are hydrogen, C.sub.1 to C.sub.4 alkanoyl or optionally substituted benzoyl, the substituents selected from the group C.sub.1 to C.sub.4 alkyl, C.sub.1 to C.sub.4 alkoxy, halo and trifluoromethyl. These compounds are useful as hypotensive agents, gastric secretory and platelet aggregation inhibitors and bronchodilators.
    Type: Grant
    Filed: April 3, 1980
    Date of Patent: September 22, 1981
    Assignee: American Cyanamid Company
    Inventors: Allan Wissner, Middleton B. Floyd, Jr.
  • Patent number: 4289910
    Abstract: Prostaglandin analogs are disclosed that have the .alpha.-chain terminating with the group --CH(OR')OR" wherein R' and R" are the same or different and are hydrogen, C.sub.1 to C.sub.4 alkanoyl or optionally substituted benzoyl, the substituents selected from the group C.sub.1 to C.sub.4 alkyl, C.sub.1 to C.sub.4 alkoxy, halo and trifluoromethyl. These compounds are useful as hypotensive agents, gastric secretory and platelet aggregation enhibitors and bronchodilators.
    Type: Grant
    Filed: April 3, 1980
    Date of Patent: September 15, 1981
    Assignee: American Cyanamid Company
    Inventors: Allan Wissner, Middleton B. Floyd, Jr.
  • Patent number: T103403
    Abstract: This disclosure describes esters having prostaglandin-like activity of 15-deoxy-16-hydroxy-16-substituted-prostanoic acids formed by replacing the hydroxy group of the C.sub.1 -carboxylic acid substituent with para-acetamidophenoxy, methylsulfonylamido, para-acetylphenoxy, para-phenylphenoxy, C.sub.3 -C.sub.10 cycloalkoxy, arylalkoxy wherein the alkoxy group has from 7-12 carbon atoms, phenoxy or phenoxy substituted with 1-3 chlorine atoms or C.sub.1 -C.sub.3 alkyl, phenacyloxy or phenacyloxy ring-substituted with from 1-3 bromine atoms, a nitro moiety, C.sub.1-C.sub.8 arylalkyl, or arylalkoxy wherein the alkoxy group has from 7-12 carbon atoms; substituted arylamino (C.sub.1 -C.sub.12), substituted-naphthoxy, fluorenoxy, carboxyalkoxy (C.sub.5 -C.sub.
    Type: Grant
    Filed: May 3, 1982
    Date of Patent: September 6, 1983
    Inventors: Martin J. Weiss, Charles V. Grudzinskas, Middleton B. Floyd, Jr., Sow-Mei L. Chen