Patents Assigned to Fidia, S.p.A.
  • Patent number: 5045532
    Abstract: A pharmaceutical composition is provided comprising inner ester ganglioside derivatives useful for its peripheral analgesic-antiinflammatory activity in treating pain caused by pathologies of the peripheral nervous system and which can advantageously be administered orally.
    Type: Grant
    Filed: October 20, 1988
    Date of Patent: September 3, 1991
    Assignee: Fidia, S.p.A.
    Inventors: Francesco della Valle, Aurelio Romeo
  • Patent number: 4965353
    Abstract: The invention concerns the esters of hyaluronic acid in which all or only a portion of the carboxylic groups of the acid are esterified, and the salts of the partial esters with metals or with pharmacologically acceptable organic bases.The compounds possess interesting and precious bioplastic and pharmaceutical properties and may be used in innumerable fields, including cosmetics, surgery and medicine. The invention also includes pharmaceutical preparations containing, as an active ingredient, one or more hyaluronic acid esters, or a salt thereof as described above, as well as medicaments containing:(1) a pharmacologically active substance or an association of pharmacologically active substances and(2) a carrying vehicle containing a total or partial ester of hyaluronic acid.The invention includes also various uses of the hyaluronic esters or of the above mentioned medicaments, such as in medicine, surgery or cosmetics.
    Type: Grant
    Filed: April 19, 1989
    Date of Patent: October 23, 1990
    Assignee: Fidia S.p.A.
    Inventors: Francesco della Valle, Aurelio Romeo
  • Patent number: 4957744
    Abstract: Cross-linked esters of hyaluronic acid are provided which result from the esterification of polyhydric alcohols with two or more carboxy groups of the hyaluronic acid polysaccharide. These cross-linked esters are useful in the field of biodegradable plastics for sanitary and surgical articles and in the pharmaceutical and cosmetic fields for the preparation of useful compositions and articles.
    Type: Grant
    Filed: October 13, 1987
    Date of Patent: September 18, 1990
    Assignee: Fidia, S.p.A.
    Inventors: Francesco della Valle, Aurelio Romeo
  • Patent number: 4940694
    Abstract: A pharmaceutical preparation containing the ganglio-side GM.sub.1 or an inner ester derivative thereof and a method for increasing cerebral blood flow in stroke victims by acute administration of GM.sub.1 or its inner ester derivative.
    Type: Grant
    Filed: October 20, 1988
    Date of Patent: July 10, 1990
    Assignee: Fidia, S.p.A.
    Inventors: Francesco della Valle, Aurelio Romeo, Silvana Lorenzi
  • Patent number: 4897381
    Abstract: Organic amide compounds of the formula ##STR1## wherein R.sub.1 --CO is a residue of a carboxylic acid with the proviso that the carboxylic acid is not a natural fatty acid normally bound to nitrogen of nitrogenous lipids, R.sub.2 is a hydrogen atom, a C.sub.1-7 alkyl group, or a C.sub.4-7 cycloalkyl group, and R.sub.3-N is a residue of a nitrogenous lipid. The compounds are useful in increasing or stimulating the in vivo biological activity of in vitro biologically active carboxylic acids.
    Type: Grant
    Filed: June 21, 1988
    Date of Patent: January 30, 1990
    Assignee: Fidia S.p.A.
    Inventors: Francesco della Valle, Aurelio Romeo
  • Patent number: 4897382
    Abstract: Organic amide compounds of the formula ##STR1## wherein R.sub.1 --CO is a residue of a carboxylic acid with the proviso that the carboxylic acid is not a natural fatty acid normally bound to nitrogen of nitrogenous lipids, R.sub.2 is a hydrogen atom, a C.sub.1-7 alkyl group, or a C.sub.4-7 cycloalkyl group, and R.sub.3-N is a residue of a nitrogenous lipid. The compounds are useful in increasing or stimulating the in vivo biological activity of in vitro biologically active carboxylic acids.
    Type: Grant
    Filed: June 21, 1988
    Date of Patent: January 30, 1990
    Assignee: Fidia S.p.A.
    Inventors: Francesco della Valle, Aurelio Romeo
  • Patent number: 4851521
    Abstract: The invention concerns the esters of hyaluronic acid in which all or only a portion of the carboxylic groups of the acid are esterfied, and the salts of the partial esters with metals or with pharmacologically acceptable organic bases.The compounds possess interesting and precious bioplastic and pharmaceutical properties and may be used in innumerable fields, including cosmetics, surgery and medicine. The invention also includes pharmaceutical preparations containing, as an active ingredient, one or more hyaluronic acid esters, or a salt thereof as described above, as well as medicaments containing:(1) a pharmacologically active substance or an association of pharmacologically active substances and(2) a carrying vehicle containing a total or partial ester of hyaluronic acid. The invention includes also various uses of the hyaluronic esters or of the above mentioned medicaments, such as in medicine, surgery or cosmetics.
    Type: Grant
    Filed: July 2, 1986
    Date of Patent: July 25, 1989
    Assignee: Fidia, S.p.A.
    Inventors: Francesco della Valle, Aurelio Romeo
  • Patent number: 4849413
    Abstract: New functional ganglioside derivatives comprising ester, amide and peracylated derivatives of gangliosides, preparation procedures therefor, pharmaceutical preparations containing the same, and the therapeutic use of the derivatives.
    Type: Grant
    Filed: September 11, 1987
    Date of Patent: July 18, 1989
    Assignee: Fidia S.p.A.
    Inventors: Francesco della Valle, Aurelio Romeo
  • Patent number: 4757053
    Abstract: Organic amide compounds of the formula ##STR1## wherein R.sub.1 --CO is a residue of a carboxylic acid with the proviso that the carboxylic acid is not a natural fatty acid normally bound to nitrogen of nitrogenous lipids, R.sub.2 is a hydrogen atom, a C.sub.1-7 alkyl group, or a C.sub.4-7 cycloalkyl group, and R.sub.3-N is a residue of a nitrogenous lipid. The compounds are useful in increasing or stimulating the in vivo biological activity of in vitro biologically active carboxylic acids.
    Type: Grant
    Filed: December 11, 1985
    Date of Patent: July 12, 1988
    Assignee: Fidia, S.p.A.
    Inventors: Francesco della Valle, Aurelio Romeo
  • Patent number: 4737517
    Abstract: A compound having the formula: ##STR1## wherein R.sub.1 is halogen or a substituted or unsubstituted hydrocarbon group; R.sub.2 R.sub.6 and R.sub.7, which may be the same or different, each represents hydrogen or a substituted or unsubstituted hydrocarbon group, or R.sub.6 and R.sub.7 taken together may represent a hetero group having one or more hetero atoms; R.sub.3 and R.sub.4 which may be the same or different each represents a substituted or unsubstituted hydrocarbon group; or R.sub.3 and R.sub.4 taken together may represent an alkylene group or a hetero group having one or more hetero atoms and R.sub.5 is hydrogen, a substituted or unsubstituted hydrocarbon group, halogen or a free or protected hydroxy group, or a pharmaceutically acceptable salt thereof. The compounds have antiaggregating properties.
    Type: Grant
    Filed: July 27, 1984
    Date of Patent: April 12, 1988
    Assignee: FIDIA, S.p.A.
    Inventors: Francesco della Valle, Aurelio Romeo
  • Patent number: 4736024
    Abstract: Pharmaceutical preparations for topical administration containing a pharmacologically active substance together with hyaluronic acid or a molecular weight fraction thereof. The hyaluronic acid may be in the form of the free acid or may be a salt with an alkali or alkaline earth metal, magnesium, aluminum or ammonium, or in the form of a salt with one or more pharmacologically active substances.
    Type: Grant
    Filed: April 3, 1986
    Date of Patent: April 5, 1988
    Assignee: Fidia, S.p.A.
    Inventors: Francesco Della Valle, Aurelio Romeo, Silvana Lorenzi
  • Patent number: 4716223
    Abstract: The present invention relates to a method for preparing inner ester derivatives of gangliosides and pharmaceutical compositions containing such derivatives to be used in treating disorders of the nervous system. The pharmaceutical compositions of the present invention promote nerve regeneration by stimulating nerve sprouting.
    Type: Grant
    Filed: March 10, 1986
    Date of Patent: December 29, 1987
    Assignee: FIDIA, S.p.A.
    Inventors: Francesco della Valle, Aurelio Romeo
  • Patent number: 4713374
    Abstract: New functional ganglioside derivatives comprising ester, amide and peracylated derivatives of gangliosides, preparation procedures therefor, pharmaceutical preparations containing the same, and the therapeutic use of the derivatives.
    Type: Grant
    Filed: June 26, 1985
    Date of Patent: December 15, 1987
    Assignee: Fidia, S.p.A.
    Inventors: Francesco della Valle, Aurelio Romeo
  • Patent number: 4707469
    Abstract: A ganglioside mixture, comprised of the gangliosides GM.sub.1, GD.sub.1a, GD.sub.1b and GT.sub.1b, has been found to possess significant analgesic or pain relieving activity. The mixture is, therefore, useful for treating pain due to various peripheral neuropathies and the mixture is more effective than the individual gangliosides which comprise the mixture.
    Type: Grant
    Filed: June 13, 1985
    Date of Patent: November 17, 1987
    Assignee: Fidia, S.p.A.
    Inventors: Francesco della Valle, Aurelio Romeo, Silvana Lorenzi
  • Patent number: 4704469
    Abstract: A method for the preparation of 2-halogenoresorcinols having the following formula I ##STR1## where X represents a halogen atom and R and R.sub.1 may be the same or different and represent a hydrogen atom or a free organic functional or functionally modified group or a hydrocarbon group, which may be substituted by one or more free organic functional or functionally modified groups and R and R.sub.1 jointly may also represent a free organic functional or functionally modified group or a hydrocarbon group which may be substituted by one or more free organic functional or functionally modified groups, and esters, ethers, or salts thereof.The method comprises sulfonating the corresponding resorcinols which do not contain a halogen in the 2-position and then halogenating the sulfonic acids thus obtained. The halogenated sulfonic acids thereby obtained are subsequently protodesulfonated by acid hydrolysis and, if desired, any functional groups which may be present can be modified.
    Type: Grant
    Filed: December 21, 1984
    Date of Patent: November 3, 1987
    Assignee: Fidia S.p.A.
    Inventors: Francesco D. Valle, Aurelio Romeo
  • Patent number: 4639437
    Abstract: The present invention relates to a device or kit and a method for the inhalation administration of gangliosides and inner ester ganglioside derivatives useful for the treatment of various nervous disorders, such as those resulting from accidents or diseases which have damaged the nervous tissue.
    Type: Grant
    Filed: April 12, 1984
    Date of Patent: January 27, 1987
    Assignee: Fidia, S.p.A.
    Inventors: Francesco della Valle, Aurelio Romeo
  • Patent number: 4595680
    Abstract: A phospholipid composition comprised of a mixture of phosphatidylserine and phosphatidylethanolamine in a specified ratio having activity against disorders of the central nervous system but without secondary haematic coagulation effects. Particularly useful compositions comprise from 60 to 75% by weight of phosphatidylserine and from 40 to 25% by weight of phosphatidylethanolamine.
    Type: Grant
    Filed: April 12, 1984
    Date of Patent: June 17, 1986
    Assignee: FIDIA, S.p.A.
    Inventors: Francesco della Valle, Aurelio Romeo
  • Patent number: 4593091
    Abstract: The present invention relates to a method for preparing inner ester derivatives of gangliosides and pharmaceutical compositions containing such derivatives to be used in treating disorders of the nervous system. The pharmaceutical compositions of the present invention promote nerve regeneration by stimulating nerve sprouting.
    Type: Grant
    Filed: September 28, 1982
    Date of Patent: June 3, 1986
    Assignee: Fidia, S.p.A.
    Inventors: Francesco della Valle, Aurelio Romeo
  • Patent number: 4476119
    Abstract: The present invention relates to a method for preparing inner ester derivatives of gangliosides and pharmaceutical compositions containing such derivatives to be used in treating disorders of the nervous system. The pharmaceutical compositions of the present invention promote nerve regeneration by stimulating nerve sprouting.
    Type: Grant
    Filed: August 4, 1981
    Date of Patent: October 9, 1984
    Assignee: Fidia S.p.A.
    Inventors: Francesco della Valle, Aurelio Romeo
  • Patent number: 4452811
    Abstract: A selective process is described for producing monohalogenated derivatives of 7-hydroxy coumarin wherein the halo substituent is at the desired position and the final product is free of other monohalogenated isomers. The resulting products and pharmaceutical compositions containing the same, especially those wherein the halo substituent is at the 8 position, have valuable specific coronary vasodilating activity.
    Type: Grant
    Filed: February 1, 1982
    Date of Patent: June 5, 1984
    Assignee: Fidia S.p.A.
    Inventor: Francesco della Valle