Patents by Inventor Giorgio Zanchi

Giorgio Zanchi 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).

  • Publication number: 20220162439
    Abstract: A rapid gel composition including a mixture for achieving rapid homogenous dispersion having: a) crosslinked or non-crosslinked acrylic acid homopolymers or copolymers component, b) suitable solvent component and c) a suitable organic or inorganic base component.
    Type: Application
    Filed: April 24, 2020
    Publication date: May 26, 2022
    Applicant: 3V Sigma USA Inc.
    Inventors: Paolo VIGILANTE, Pasqualino ARAMO, Giorgio ZANCHI
  • Publication number: 20200339807
    Abstract: A rapid gel composition including a mixture for achieving rapid homogenous dispersion having: a) crosslinked or non-crosslinked acrylic acid homopolymers or copolymers component, b) suitable solvent component and c) a suitable organic or inorganic base component.
    Type: Application
    Filed: April 24, 2020
    Publication date: October 29, 2020
    Inventors: Paolo Vigilante, PASQUALINO ARAMO, GIORGIO ZANCHI
  • Publication number: 20170304176
    Abstract: The present disclosure is directed to stabilizing compositions comprising a mixture of three or more ultraviolet filters. The disclosed compositions are useful for stabilizing the color and the fragrance of formulations, including cosmetic formulations and household products.
    Type: Application
    Filed: October 21, 2015
    Publication date: October 26, 2017
    Inventors: Giorgio ZANCHI, Paul Maria SECCOMANDI
  • Publication number: 20030153654
    Abstract: The present invention relates to macromolecular derivatives with a definite molecular weight, containing a 2,2,6,6-tetramethyl-4-piperidyl group and to their use as light, heat and oxidation stabilizers for synthetic polymers and other organic materials, and to the materials thus stabilized.
    Type: Application
    Filed: December 5, 2002
    Publication date: August 14, 2003
    Applicant: 3V SIGMA S.p.A.
    Inventors: Giuseppe Raspanti, Giorgio Zanchi
  • Patent number: 6514485
    Abstract: Combinations of sunscreens comprising at least one specific anti uv-B filter with triazinoaniline structure and at least one specific anti UV-A filter selected from filters with benzoxazol substituted triazinoaniline structure and a long chain alkyl ester of a benzoxazolyl-aminophenyl-cyanoacrylic acid. Cosmetic and dermatological compositions containing them, optionally in combination with vitamins and/or other anti UV-A and anti UV-B filters.
    Type: Grant
    Filed: December 30, 1999
    Date of Patent: February 4, 2003
    Assignee: 3V Sigma S.p.A.
    Inventors: Alverio Malpede, Giorgio Zanchi
  • Publication number: 20020085981
    Abstract: 1
    Type: Application
    Filed: February 7, 2001
    Publication date: July 4, 2002
    Inventors: Giuseppe Raspanti, Giorgio Zanchi
  • Patent number: 6399047
    Abstract: Compounds of formula (I), wherein the groups are as defined in the disclosure, as well as the use thereof in cosmetic compositions and in the stabilization of synthetic polymers.
    Type: Grant
    Filed: February 7, 2001
    Date of Patent: June 4, 2002
    Assignee: 3V Sigma S.p.A.
    Inventors: Giuseppe Raspanti, Giorgio Zanchi
  • Patent number: 5665334
    Abstract: Compounds of the general formula I ##STR1## R and R.sub.1, which can be the same or different, are hydrogen or a C.sub.1 -C.sub.8 straight or branched alkyl group, R.sub.2 is hydrogen or the group OR.sub.4, wherein R.sub.4 is a C.sub.1 -C.sub.4 alkyl group,R.sub.3 is hydrogen, methyl or ethyl,X is oxygen or the NR.sub.5 group, wherein R.sub.5 is hydrogen or C.sub.1 -C.sub.18 straight or branched alkyl group n is the number 1 or 2,A, when n is 1, is a C.sub.1 -C.sub.20 straight or branched alkyl group, C.sub.6 -C.sub.12 cycloalkyl group, the group of formula (II), ##STR2## wherein R.sub.6 is hydrogen or methyl group or a group of formula (III) ##STR3## wherein R.sub.6 has the above meanings and R.sub.7 is C.sub.1 -C.sub.18 straight or branched alkyl group, phenyl, optionally substituted with a C.sub.1 -C.sub.4 straight or branched alkyl group, m can have the values from 0 to 4,A, when n is 2 is C.sub.2 -C.sub.12 alkylene or the group of formula (IV) ##STR4## wherein R.sub.8 and R.sub.
    Type: Grant
    Filed: December 21, 1995
    Date of Patent: September 9, 1997
    Assignee: 3V Inc.
    Inventors: Giuseppe Raspanti, Giorgio Zanchi
  • Patent number: 5639446
    Abstract: Compounds of formula (I) ##STR1## wherein the groups are as defined in the description, are useful as sunscreens in cosmetics and in the stabilization of synthetic polymers.
    Type: Grant
    Filed: September 20, 1996
    Date of Patent: June 17, 1997
    Assignee: 3V Inc.
    Inventors: Giuseppe Raspanti, Giorgio Zanchi