Patents by Inventor Silvana Lorenzi

Silvana Lorenzi 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: 5990170
    Abstract: The following description concerns a therapeutic method for the treatment of diseases connected with the modulation of the cannabinoid peripheral receptor, comprising administering amidic derivatives of mono and bicarboxylic acids with aminoalcohols or arninoethers selectively active on said receptor.
    Type: Grant
    Filed: September 30, 1997
    Date of Patent: November 23, 1999
    Assignee: Lifegroup S.p.A.
    Inventors: Francesco Della Valle, Alberta Leon, Gabriele Marcolongo, Silvana Lorenzi
  • Patent number: 5925678
    Abstract: The use of N-acyl derivatives of aminoalcohols with mono- and di-carboxylic acids for the prevention and treatment of diseases connected with hyper and prolonged excitation by excitatory amino acids is described.
    Type: Grant
    Filed: September 23, 1996
    Date of Patent: July 20, 1999
    Assignee: Lifegroup S.P.A.
    Inventors: Francesco Della Valle, Alberta Leon, Silvana Lorenzi
  • Patent number: 5876744
    Abstract: Compositions having high bioadhesion, mucoadhesion and visoelasticity, containing mixtures of synthetic polymers, such as polyvinyl alcohol and Polycarbophil, and of biopolymers, such as alginic acid, hyaluronic acid and dermatan sulfate, useful in the treatment of skin and mucosal tissues dryness and dehydration, and suitables as vehicles for active ingredients in percutaneous absorption.
    Type: Grant
    Filed: April 22, 1997
    Date of Patent: March 2, 1999
    Assignee: Lifegroup S.p.A.
    Inventors: Francesco Della Valle, Silvana Lorenzi, Roberto Cerini, Gabriele Marcolongo
  • Patent number: 5814650
    Abstract: Described herein are biotin amides which are able to control glucidic metabolism under dysmetabolic conditions and relative therapeutical compositions for the treatment of insulin-independent diabetes, insulin-dependent diabetes and relative complicating diseases, such as peripheral neuropathies and other associated chronic invalidating disorders.
    Type: Grant
    Filed: March 28, 1997
    Date of Patent: September 29, 1998
    Assignee: Lifegroup S.p.A.
    Inventors: Francesco Della Valle, Silvana Lorenzi, Gabriele Marcolongo, Lauro Galzigna
  • Patent number: 5679667
    Abstract: Aminoalcohols N-acyl derivatives useful in the prevention and in the treatment of mammalian pathologies induced by mast cell degranulation in consequence of peripheral nerve noxae.
    Type: Grant
    Filed: October 21, 1994
    Date of Patent: October 21, 1997
    Assignee: Lifegroup S.P.A.
    Inventors: Francesco Della Valle, Silvana Lorenzi, Federica Della Valle
  • Patent number: 5631241
    Abstract: Two pharmaceutically useful fractions of hyaluronic acid are obtained comprising a first fraction with a molecular weight between 50,000 and 100,000 which is useful for wound healing, and a second fraction having a molecular weight between 500,000 and 730,000 which is useful for intraocular and intraarticular injections. In addition, pharmaceutical preparations for topical administration are provided 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 21, 1995
    Date of Patent: May 20, 1997
    Assignee: Fidia S.p.A.
    Inventors: Francesco della Valle, Aurelio Romeo, Silvana Lorenzi
  • Patent number: 5618842
    Abstract: N-acyl derivatives of aminoalcohols with bicarboxylic or tricarboxylic acids able to modulate the degranulation process consequent to the mast cells activation in inflammatory processes caused by supramaximal stimuli of neurogenic and immunogenic origin.
    Type: Grant
    Filed: June 24, 1994
    Date of Patent: April 8, 1997
    Assignee: Lifegroup S.p.A.
    Inventors: Francesco Della Valle, Silvana Lorenzi, Gabriele Marcolongo
  • Patent number: 5567716
    Abstract: Traumatic acid salts, wherein B is a cation selected from:a) a quaternary ammonium,b) a cation of a linear or branched C.sub.1 -C.sub.20 mono-, di- or trialkanolamine,c) a cation of a biologically active primary, secondary or tertiary amine,d) silver or zinc cation,and relative pharmaceutical compositions administrable by topical or parenteral route For the therapeutic treatment of cutaneous pathologies in which it is important to associate an a bacteriostatic, antibiotic, antifungal or an antiviral activity, to the cicatrizant effect, typical of traumatic acid.
    Type: Grant
    Filed: November 19, 1993
    Date of Patent: October 22, 1996
    Assignee: Lifegroup S.p.A.
    Inventors: Francesco Della Valle, Silvana Lorenzi, Gabriele Marcolongo
  • Patent number: 5559104
    Abstract: A highly pure fraction of hyaluronic acid is disclosed which is non-inflammatory and avoids post-operative complications in ocular surgery. Also disclosed is a process for the preparation of hyaluronic acid characterized by converting hyaluronic acid into a corresponding quaternary ammonium salt and, following purification procedures, reconverting the quaternary ammonium salt into a sodium salt of hyaluronic acid.
    Type: Grant
    Filed: May 11, 1995
    Date of Patent: September 24, 1996
    Assignee: Fidia S.p.A.
    Inventors: Aurelio Romeo, Silvana Lorenzi
  • Patent number: 5550249
    Abstract: Salts of biotin are described with alkanolamines and the respective water soluble therapeutical compositions, suitable to be orally, parenterally and topically administered.The compositions above are particularly suitable for the treatment of the vitamin H deficiency, having a dermatologic manifestation, for the treatment of the insufficiency in multiple carboxylase enzymes, for the treatment of dermatologic phatologies, like the seborrheal dermatitis in the newborn, and for the treatment of diabetic neuropathies.
    Type: Grant
    Filed: February 22, 1994
    Date of Patent: August 27, 1996
    Assignee: Lifegroup, S.p.A.
    Inventors: Francesco Della Valle, Silvana Lorenzi, Gabriella Calderini
  • Patent number: 5521164
    Abstract: The process of the invention relates to a process for the preparation of a ganglioside mixture, free from contaminants associated with non-conventional, life-threatening viruses, without altering the biological and pharmacological characteristics of the mixture on the central and peripheral nervous systems.
    Type: Grant
    Filed: September 3, 1993
    Date of Patent: May 28, 1996
    Assignee: Fidia, S.p.A.
    Inventors: Francesco della Valle, Lanfranco Callegaro, Silvana Lorenzi
  • Patent number: 5506224
    Abstract: N-acyl-derivatives of hydroxyamines suitable for the therapeutic treatment of pathologies characterized by degranulation of mast cells caused by a neurogenic and/or immunogenic hyperstimulation.
    Type: Grant
    Filed: November 8, 1993
    Date of Patent: April 9, 1996
    Assignee: Lifegroup S.P.A.
    Inventors: Francesco della Valle, Silvana Lorenzi, Jacobus C. J. J. Samson, Federica della Valle
  • Patent number: 5480645
    Abstract: Hydroxyamines N-acyl derivatives with benzochroman or 2,3-dihydrobenzofuran carboxy acids and relative pharmaceutical composition for the therapeutic treatment of those CNS, vascular, cardiovascular, dermatologic and ophthalmic pathologies wherein it is important to associate an inflammatory modulation effect to an antioxidant activity.
    Type: Grant
    Filed: December 29, 1993
    Date of Patent: January 2, 1996
    Assignee: LifeGroup S.p.A.
    Inventors: Francesco Della Valle, Silvana Lorenzi, Gabriele Marcolongo
  • Patent number: 5442053
    Abstract: Two pharmaceutically useful fractions of hyaluronic acid are obtained comprising a first fraction with a molecular weight between 50,000 and 100,000 which is useful for wound healing, and a second fraction having a molecular weight between 500,000 and 730,000 which is useful for intraocular and intraarticular injections.In addition, pharmaceutical preparations for topical administration are provided 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: August 19, 1992
    Date of Patent: August 15, 1995
    Assignee: Fidia, S.p.A.
    Inventors: Francesco della Valle, Aurelio Romeo, Silvana Lorenzi
  • Patent number: 5210185
    Abstract: The present invention is directed to a method for the isolation of Human Nerve Growth Factor (HNGF) from human placenta. More particularly, the invention is directed to the method of isolation of the .beta.-subunit of Human Nerve Growth Factor and Compositions containing the same for the treatment of neuropathological conditions.
    Type: Grant
    Filed: March 13, 1989
    Date of Patent: May 11, 1993
    Assignee: Fidia S.p.A.
    Inventors: Francesco Della Valle, Lanfranco Callegaro, Silvana Lorenzi
  • Patent number: 5166331
    Abstract: Two pharmaceutically useful fractions of hyaluronic acid are obtained comprising a first fraction with a molecular weight between 50,000 and 100,000 which is useful for wound healing, and a second fraction having a molecular weight between 500,000 and 730,000 which is useful for intraocular and intraarticular injections.In addition, pharmaceutical preparations for topical administration are provided 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: December 19, 1989
    Date of Patent: November 24, 1992
    Assignee: Fidia, S.p.A.
    Inventors: Francesco della Valle, Aurelio Romeo, Silvana Lorenzi
  • 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: 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: 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