Patents by Inventor Aina L. Abramo

Aina L. Abramo 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: 5034390
    Abstract: The present invention concerns novel compounds of the general formula; ##STR1## wherein R.sub.1 is halogen or hydrogen and R.sub.2 is halogen; X is either oxygen, sulfor or methyleneR.sub.3 and R.sub.4 are the same or different and selected from hydrogen and lower alkyl;n is 2 or 3;A is selected from the following pyrimidyl or pyridyl groups ##STR2## wherein R.sub.5 is selected from hydrogen, lower alkyl or halogen; R.sub.6 and R.sub.7 are the same or different and selected from hydrogen, halogen, lower alkyl, electron donor groups such as lower alkoxy or hydroxy, electron acceptor groups such as cyano, nitro, trifluoromethyl, COOR.sub.8, CONR.sub.9 R.sub.10 or CO-B;wherein R.sub.8 is hydrogen or lower alkyl;R.sub.9 and R.sub.10 are the same or different and selected from hydrogen, lower alkyl and cycloalkyl;B is selected from ##STR3## wherein m is 1, 2, 3 or 4. R.sub.11 is selected from hydrogen or lower alkyl, and the pharmacologically active salts thereof.
    Type: Grant
    Filed: September 28, 1989
    Date of Patent: July 23, 1991
    Assignee: Pharmacia AB
    Inventors: Knut G. Olsson, Aina L. Abramo, Erik T. Lundstedt, Curt Nordvi
  • Patent number: 4937245
    Abstract: A compound having the formula (I) or a pharmaceutically acceptable salt thereof: ##STR1## wherein all the symbols are defined in the specification; having valuable pharmaceutical properties, useful for the treatment of mental disorders, such as psychoses, depression and anxiety.
    Type: Grant
    Filed: November 30, 1988
    Date of Patent: June 26, 1990
    Inventors: Tomas Fex, Knut G. Olsson, Aina L. Abramo, Erik G. Christensson, Torbjorn E. Lundstedt
  • Patent number: 4935419
    Abstract: A series of 1-piperazinecarboxamide derivatives of the following formula: ##STR1## The compounds of the present invention are neuropharmacological agents intended for the treatment of mental disorders, such as psychoses and depression.
    Type: Grant
    Filed: July 29, 1988
    Date of Patent: June 19, 1990
    Inventors: Anders K. K. Bjork, Knut G. Olsson, Aina L. Abramo, Erik G. Christensson, Bengt K. R. Gustafsson, Tomas Fex
  • Patent number: 4778789
    Abstract: Novel compounds of formula (I), wherein R.sub.1 is selected from hydrogen, halogen; or trifluoromethyl; X is oxygen or sulfur; R.sub.2 and R.sub.3 are the same or different and selected from hydrogen or lower alkyl; m is 2 or 3; Y is oxygen or sulphur; Z is selected from: --NR.sub.4 R.sub.5, formulae (II), (III) or (IV), wherein R.sub.4 and R.sub.5 are the same or different and selected from hydrogen, alkyl, cycloalkyl, cycloalkyl-alkyl, hydroxy-alkyl, alkoxyalkyl or alkanoyloxyalkyl, phenyl or phenyl-alkyl, wherein the phenyl groups may be unsubstituted or monosubstituted with halogen or CF.sub.3 ; n is 0, 1, 2 or 3; R.sub.6 and R.sub.7 are the same or different and selected from hydrogen, lower alkyl, hydroxy, lower alkoxy or lower alkanoyloxy; p is 2 or 3; R.sub.8 and R.sub.9 are the same or different and selected from hydrogen or lower alkyl; R.sub.10 is hydrogen, lower alkyl or lower alkanoyl. The new compounds can be used for treating mental disorders.
    Type: Grant
    Filed: November 26, 1986
    Date of Patent: October 18, 1988
    Assignee: Aktiebolaget Leo
    Inventors: Tomas Fex, Knut G. Olsson, Aina L. Abramo, Erik G. Christensson
  • Patent number: 4492698
    Abstract: Novel compounds of the formula ##STR1## wherein R' is selected from the group consisting of alkyl straight or branch chained having from 2 to 10 carbon atoms, cycloalkyl having from 3 to 8 carbon atoms, aralkyl having from 7 to 9 carbon atoms, phenyl and substituted phenyl wherein the substituents of the substituted phenyl are selected from the group consisting of one to three F, Cl, Br, lower alkyl having from 1 to 5 carbon atoms, lower alkoxy having from 1 to 5 carbon atoms, alkylenedioxy having from 1 to 3 carbon atoms, --CF.sub.3 and --CN and pharmaceutically acceptable salts thereof which have been found to have utility for therapeutic treatment of mental disorders by reducing anti-aggressive behavior and a process for making the compounds.
    Type: Grant
    Filed: January 25, 1982
    Date of Patent: January 8, 1985
    Inventors: Anders K. Bjork, Aina L. Abramo, Erik G. Christensson
  • Patent number: 4447433
    Abstract: Compounds having the general formula ##STR1## as herein defined and pharmaceutically acceptable acid addition salts thereof. Pharmaceutical compositions containing said compounds. Methods of treatment of humans and animals by such compounds and compositions.
    Type: Grant
    Filed: September 15, 1982
    Date of Patent: May 8, 1984
    Assignee: AB Ferrosan
    Inventors: Anders K. K. Bjork, Knut G. Olsson, Aina L. Abramo, Erik G. Christensson
  • Patent number: 4385057
    Abstract: Compounds having the general formula ##STR1## as herein defined and pharmaceutically acceptable acid addition salts thereof. Pharmaceutical compositions containing said compounds. Methods of treatment of humans and animals by such compounds and compositions.
    Type: Grant
    Filed: January 23, 1981
    Date of Patent: May 24, 1983
    Assignee: AB Ferrosan
    Inventors: Anders K. K. Bjork, Knut G. Olsson, Aina L. Abramo, Erik G. Christensson
  • Patent number: 4366162
    Abstract: Aryl ethers of N-alkyl-piperdines having the formula ##STR1## wherein R.sub.1 represents hydrogen, halogen including F, Cl and Br, a lower alkanoyl group (e.g. alkanoyl of up to five carbon atoms), an alkenyl group (having three to five carbon atoms) or phenoxy, R.sub.2 represents hydrogen, halogen including F, Cl and Br, --CN group, a lower alkoxy group (e.g. alkoxy of up to five carbon atoms), a lower alkanoyl group (e.g. alkanoyl of up to five carbon atoms), an alkenyloxy or alkynyloxy group (having three to five carbon atoms) or a lower alkoxycarbonyl group (e.g. alkoxycarbonyl of up to five carbon atoms), R.sub.3 and R.sub.4 independently represent hydrogen, halogen including F, Cl and Br, a --CF.sub.3 group, a lower alkyl group (e.g. alkyl of up to five carbon atoms) or a lower alkoxy group (e.g. alkoxy of up to five carbon atoms), R.sub.5 represents hydrogen or an acyl group with 2-19 carbon atoms and n=3 or 4, and pharmaceutically acceptable acid addition salts.
    Type: Grant
    Filed: October 25, 1978
    Date of Patent: December 28, 1982
    Assignee: AB Ferrosan
    Inventors: Anders K. K. Bjork, Aina L. Abramo, Bengt E. S. Kjellberg
  • Patent number: 4308387
    Abstract: Compounds having the general formula ##STR1## as herein defined and pharmaceutically acceptable acid addition salts thereof. Pharmaceutical compositions containing said compounds. Methods of treatment of humans and animals by such compounds and compositions.
    Type: Grant
    Filed: October 18, 1979
    Date of Patent: December 29, 1981
    Assignee: AB Ferrosan
    Inventors: Anders K. K. Bjork, Knut G. Olsson, Aina L. Abramo, Erik G. Christensson
  • Patent number: 4235875
    Abstract: Novel alkyl 1-(hydroxyalkyl)piperidines and acid addition salts thereof, useful as inhibitors of dental plaque and therefore also useful against dental caries and periodontitis, are disclosed. Methods of making same, orally-acceptable compositions thereof, a method of treating therewith, and important and novel intermediates for the production thereof are also disclosed.
    Type: Grant
    Filed: April 24, 1978
    Date of Patent: November 25, 1980
    Assignee: A.B. Ferrosan
    Inventors: Sven E. H. Hernestam, Lars O. Willard, Aina L. Abramo, Hans-Bertil Johansson
  • Patent number: 4183933
    Abstract: 2,3,4,7,8,9-Substituted octahydropyrazinopyrimidinones and acid addition salts thereof. A process for the preparation of said compounds. A pharmaceutical composition comprising such a compound and a conventional carrier. A process for the preparation of said composition. Method of medical treatment of human beings and animals using such compounds.
    Type: Grant
    Filed: August 30, 1978
    Date of Patent: January 15, 1980
    Assignee: AB Ferrosan
    Inventors: Anders K. K. Bjork, Aina L. Abramo, Sven E. H. Hernestam, Bengt E. S. Kjellberg