Patents by Inventor Piero Valenti

Piero Valenti 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).

  • Chalcone coumarins
    Patent number: 6767916
    Abstract: Disclosed are novel chalcone derivatives having the formula (I). These compounds possess antiproliferative activity, and are useful for the manufacture of a medicament for the treatment or prevention of neoplasms, particularly those located in the uterus, ovary or breast. The compounds of the invention may also be useful in the manufacture of a medicament for the treatment or prevention of menopausal disorders and osteoporosis.
    Type: Grant
    Filed: February 15, 2002
    Date of Patent: July 27, 2004
    Assignee: Indena S.p.A.
    Inventors: Ezio Bombardelli, Piero Valenti
  • Chalcones
    Patent number: 6620842
    Abstract: Disclosed are novel chalcone derivatives having the formula (I) The compounds possess antiproliferative activity and are useful for the manufacture of a medicament for the treatment or prevention of neoplasms, particularly those located in the uterus, ovary or breast. The compounds of the invention may also be useful in the manufacture of a medicament for the treatment or prevention of menopausal disorders and osteoporosis.
    Type: Grant
    Filed: February 15, 2002
    Date of Patent: September 16, 2003
    Assignee: Indena SpA
    Inventors: Ezio Bombardelli, Piero Valenti
  • Derivatives of flavones, xanthones and coumarins
    Patent number: 6608089
    Abstract: Compounds having the formula (I) Z—OCH2—C≡CCH2—NRR1  (I) or a pharmaceutically acceptable salt or solvate thereof wherein Z can represent the formula (1A) or (1B). The compounds possess antiproliferative activity and are useful as modulators of multiple drug resistance in cancer chemotherapy. The compounds may also be useful for the manufacture of a medicament for the treatment or prevention of neoplasms, menopausal disorders and osteoporosis.
    Type: Grant
    Filed: February 15, 2002
    Date of Patent: August 19, 2003
    Assignee: Indena S.p.A.
    Inventors: Ezio Bombardelli, Piero Valenti
  • Novel chalcones
    Publication number: 20030055056
    Abstract: The present invention discloses new and useful compounds including methyl p-hydroxyphenyllactate, its analogues, chemical derivatives and chemically related compounds and their use as antitumor and immune suppressive agents, as inhibitors of proliferative cell growth and as prophylactic agents to inhibit and prevent cancer and non-malignant cell growth.
    Type: Application
    Filed: February 15, 2002
    Publication date: March 20, 2003
    Inventors: Ezio Bombardelli, Piero Valenti
  • Novel derivatives of flavones, xanthones and coumarins
    Publication number: 20020183318
    Abstract: A marked up versions of the abstract showing insertions and deletions are included in Appendix A.
    Type: Application
    Filed: February 15, 2002
    Publication date: December 5, 2002
    Inventors: Ezio Bombardelli, Piero Valenti
  • Chalcone coumarins
    Publication number: 20020161036
    Abstract: The present invention discloses new and useful compounds including methyl p-hydroxyphenyllactate, its analogues, chemical derivatives and chemically related compounds and their use as antitumor and immune suppressive agents, as inhibitors of proliferative cell growth and as prophylactic agents to inhibit and prevent cancer and non-malignant cell growth.
    Type: Application
    Filed: February 15, 2002
    Publication date: October 31, 2002
    Inventors: Ezio Bombardelli, Piero Valenti
  • Chalcones having antiproliferative activity
    Patent number: 6423740
    Abstract: The invention relates to a novel class of compounds that have structures related to certain naturally occurring or synthetic chalcones. The invention also relates to pharmaceutical compositions comprising the compounds and methods for treating certain disorders using the pharmaceutical compositions. The invention further relates to a process for synthesizing the novel class of compounds.
    Type: Grant
    Filed: November 8, 2000
    Date of Patent: July 23, 2002
    Assignee: Indena S.p.A.
    Inventors: Ezio Bombardelli, Piero Valenti
  • Chalcones having antiproliferative activity
    Patent number: 6147082
    Abstract: The invention relates to a novel class of compounds that have structures related to certain naturally occurring or synthetic chalcones. The invention also relates to pharmaceutical compositions comprising the compounds and methods for treating certain disorders using the pharmaceutical compositions. The invention further relates to process for synthesizing the novel class of compounds.
    Type: Grant
    Filed: December 8, 1999
    Date of Patent: November 14, 2000
    Inventors: Ezio Bombardelli, Piero Valenti
  • Xanthone derivatives, their preparation and use
    Patent number: 5516794
    Abstract: The novel compounds 3,6-Disubstituted xanthen-9-one of formula I ##STR1## in which R is a C.sub.3 -C.sub.8 linear, branched or cyclic alkyl and R.sub.1 is linear, branched C.sub.1 -C.sub.8 alkyl or cyclic C.sub.3 -C.sub.8 alkyl or --OR in which R is as defined hereinabove, exhibit bone resorption inhibiting activity. Pharmaceutical compositions are described.
    Type: Grant
    Filed: March 7, 1995
    Date of Patent: May 14, 1996
    Assignee: Inverni Della Beefa S.p.A.
    Inventors: Paolo Da Re, Giorgio Pifferi, Piero Valenti, Salvatore Malandrino