Patents by Inventor Errol Blart

Errol Blart 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).

  • Sensitizing complexes, process for the preparation thereof, semiconductive inorganic/organic hybrid material comprising them, and photovoltaic cell comprising said material
    Patent number: 9196847
    Abstract: in which: F represents one or more groups capable of grafting chemically to a substrate of semiconductive porous oxide ceramic; S represents a sensitizing group for sensitizing a semiconductive porous oxide ceramic; C is a conductive polymer; E is a deconjugating spacer group which makes it possible to electrically isolate the sensitizer (S) from the electron-conductive polymer (C).
    Type: Grant
    Filed: December 22, 2006
    Date of Patent: November 24, 2015
    Assignee: COMMISSARIAT A L'ENERGIE ATOMIQUE
    Inventors: Pierrick Buvat, Fabrice Odobel, Coralie Houarner, Errol Blart
  • Method for crosslinking by thermal Huisgen reaction, crosslinkable chromophoric polymers, and crosslinked polymer substances having stable electro-optical properties
    Patent number: 8618230
    Abstract: The present invention relates to a method for crosslinking chromophoric-group polymers by thermal Huisgen reaction on thermopolymerizable chromophoric polymers having at least one azide function and/or one alkyne function, and on crosslinked polymerized substances having a well-stabilized chromophoric orientation.
    Type: Grant
    Filed: April 17, 2009
    Date of Patent: December 31, 2013
    Assignee: Centre National de la Recherche Scientifique (CNRS)
    Inventors: Fabrice Odobel, Annabelle Jenny Scarpaci, Errol Blart, Laurent Fontaine
  • Method for Crosslinking by Thermal Huisgen Reaction, Crosslinkable Chromophoric Polymers, and Crosslinked Polymer Substances Having Stable Electro-Optical Properties
    Publication number: 20110065864
    Abstract: The present invention relates to a process for crosslinking polymers containing chromophoric groups, by thermal Huisgen reaction, on heat-polymerizable chromophoric polymers bearing at least one azide function and/or one alkyne function and on crosslinked polymerized materials with good orientation stability of the chromophores.
    Type: Application
    Filed: April 17, 2009
    Publication date: March 17, 2011
    Applicant: Centre National de la Recherche Scientifique (CNRS)
    Inventors: Fabrice Odobel, Annabelle Jenny Scarpaci, Errol Blart, Laurent Fontaine
  • Sensitizing Complexes, Process For The Preparation Thereof, Semiconductive Inorganic/Organic Hybrid Material Comprising Them, And Photovoltaic Cell Comprising Said Material
    Publication number: 20080276985
    Abstract: Complex of formula (I) in which: F represents one or more groups capable of grafting chemically to a substrate of semiconductive porous oxide ceramic; S represents a sensitizing group for sensitizing a semiconductive porous oxide ceramic; C is a conductive polymer; E is a deconjugating spacer group which makes it possible to electrically isolate the sensitizer (S) from the electron-conductive polymer (C).
    Type: Application
    Filed: December 22, 2006
    Publication date: November 13, 2008
    Applicant: COMMISSARIAT A L'ENERGIE ATOMIQUE
    Inventors: Pierrick Buvat, Fabrice Odobel, Coralie Houarner, Errol Blart
  • Reagent useful for cleaving a protected functional group
    Patent number: 6156889
    Abstract: The subject matter of the present invention relates to a reagent and a process useful for cleaving a functional group protected by an alkoxycarbonyl group during an organic synthesis. This reagent comprises: a) an aqueous phase; b) a catalyst comprising at least one group VIII element in the periodic table of elements and at least one water-soluble ligand, wherein the group VIII element in the periodic table is maintained in the aqueous phase by the formation of a complex with at least one water-soluble ligand; and c) a nucleophilic compound soluble in the aqueous phase; and optionally d) an organic phase.
    Type: Grant
    Filed: October 9, 1998
    Date of Patent: December 5, 2000
    Assignee: Rhodia Chimie
    Inventors: Jean-Marie Bernard, Errol Blart, Jean-Pierre Genet, Monique Savignac, Sandrine Lemaire-Audoire
  • Reagent and catalytic process useful for cleaving a protected functional group
    Patent number: 5847117
    Abstract: The subject matter of the present invention relates to a reagent and a process useful for cleaving a functional group protected by an alkoxycarbonyl group during an organic synthesis. This reagent comprises: a) an aqueous phase; b) a catalyst comprising at least one group VIII element in the periodic table of elements and at least one water-soluble ligand, wherein the group VIII element in the periodic table is maintained in the aqueous phase by the formation of a complex with at least one water-soluble ligand; and c) a nucleophilic compound soluble in the aqueous phase; and optionally d) an organic phase.
    Type: Grant
    Filed: August 18, 1993
    Date of Patent: December 8, 1998
    Assignee: Rhone-Poulenc Chimie
    Inventors: Jean-Marie Bernard, Errol Blart, Jean-Pierre Genet, Monique Savignac, Sandrine Lemaire-Audoire
  • Deallylation reagent and deallylation method using said reagent
    Patent number: 5773617
    Abstract: The present invention relates to a reagent and to a process which are useful, when carrying out an organic synthesis, for cleaving an allylic group from a function which is protected with the latter.This reagent is defined in that it contains:a) a solvent system;b) a catalyst containing at least one element from column VIII of the Periodic Table of the Elements, the said element from column VIII of the Periodic Table being coordinated with at least one coordination agent which is soluble in the said solvent system;c) a compound which is at least partially soluble in the said solvent system and which contains at least one nucleophilic function.Application to organic synthesis.
    Type: Grant
    Filed: February 22, 1996
    Date of Patent: June 30, 1998
    Assignee: Rhone-Poulenc Chimie
    Inventors: Jean-Marie Bernard, Errol Blart, Jean-Pierre Genet, Sandrine Lemaire-Audoire, Monique Savignac