Patents by Inventor Isidor Hazan

Isidor Hazan 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: 20030004259
    Abstract: A curable coating composition comprising functionalized oligomer components i and ii which cross-link at cure to form a three-dimensional network having chains of substantially uniform, controllable molecular weight between cross-links; oligomers i and ii having weight average molecular weights not exceeding about 3,000, a polydispersity for (i) not exceeding about 1.5, and functionalities that react with one another to cross-link i and ii at cure to yield coatings with an excellent balance of hardness and mar resistance.
    Type: Application
    Filed: March 28, 2002
    Publication date: January 2, 2003
    Inventors: Robert John Barsotti, Isidor Hazan, Bruce Lyle Neff
  • Publication number: 20020193497
    Abstract: A curable coating composition comprising functionalized oligomer components i and ii which crosslink at cure to form a threedimensional network having chains of substantially uniform, controllable molecular weight between crosslinks; oligomers i and ii having weight average molecular weights not exceeding about 3,000, a polydispersity for (i) not exceeding about 1.5, and functionalities that react with one another to crosslink i and ii at cure to yield coatings with an excellent balance of hardness and mar resistance.
    Type: Application
    Filed: March 28, 2002
    Publication date: December 19, 2002
    Inventors: Robert John Barsotti, Isidor Hazan, Bruce Lyle Neff
  • Publication number: 20020182420
    Abstract: A curable coating composition comprising functionalized oligomer components I and ii which cross-link at cure to form a three-dimensional network having chains of substantially uniform, controllable molecular weight between cross-links; oligomers i and ii having weight average molecular weights not exceeding about 3,000, a polydispersity for (i) not exceeding about 1.5, and functionalities that react with one another to cross-link I and ii at cure to yield coatings with an excellent balance of hardness and mar resistance.
    Type: Application
    Filed: March 28, 2002
    Publication date: December 5, 2002
    Inventors: Robert John Barsotti, Isidor Hazan, Bruce Lyle Neff
  • Publication number: 20020183439
    Abstract: A curable coating composition comprising functionalized oligomer components i and ii which cross-link at cure to form a three- dimensional network having chains of substantially uniform, controllable molecular weight between cross-links; oligomers i and ii having weight average molecular weights not exceeding about 3,000, a polydispersity for (i) not exceeding about 1.5, and functionalities that react with one another to cross-link i and ii at cure to yield coatings with an excellent balance of hardness and mar resistance.
    Type: Application
    Filed: March 28, 2002
    Publication date: December 5, 2002
    Inventors: Robert John Barsotti, Isidor Hazan, Bruce Lyle Neff
  • Publication number: 20020183440
    Abstract: A curable coating composition comprising functionalized oligomer components i and ii which cross-link at cure to form a three-dimensional network having chains of substantially uniform, controllable molecular weight between cross-links; oligomers i and ii having weight average molecular weights not exceeding about 3,000, a polydispersity for (i) not exceeding about 1.5, and functionalities that react with one another to cross-link i and ii at cure to yield coatings with an excellent balance of hardness and mar resistance.
    Type: Application
    Filed: April 10, 2002
    Publication date: December 5, 2002
    Inventors: Robert John Barsotti, Isidor Hazan, Bruce Lyle Neff
  • Patent number: 6428898
    Abstract: The present invention is directed to low VOC curable coating compositions suitable for use in various mar and etch resistant coatings, such as in automotive coatings. The binder of the composition includes silicon/hydroxyl and cross-linking components. The silicon/hydroxyl component includes one or more reactive oligomers having linear or branched cycloaliphatic moiety and at least two functional groups with at least one being a silane or silicate group, the remaining being a hydroxyl group. Applicants have unexpectedly discovered that by including silane or silicate functionalities in these reactive oligomers, the solids level of the composition can be significantly increased at reduced composition viscosities. As a result, such high solids low VOC compositions can be readily applied by conventional application means, such as by spraying.
    Type: Grant
    Filed: June 30, 2000
    Date of Patent: August 6, 2002
    Assignee: E. I. du Pont de Nemours & Company
    Inventors: Robert J. Barsotti, Isidor Hazan, John David Nordstrom
  • Patent number: 6410147
    Abstract: The present invention is directed to a low gloss crosslinkable coating composition that produces a low gloss coating upon cure. The crosslinkable composition includes a binder component and a crosslinking agent. The binder component includes a combination of at least two partially compatible crosslinkable components retained in an evaporable medium, such that the low gloss coating exhibits a 60° specular gloss that is at least 5% lower than gloss of coatings from coating compositions containing any one of the crosslinkable components. The low gloss coating composition of the present invention is especially suited for OEM and refinish automotive coating applications, such as automotive fenders and automotive side boards, typically used in sport utility vehicles.
    Type: Grant
    Filed: August 24, 2000
    Date of Patent: June 25, 2002
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Ding-Yu Chung, Isidor Hazan, Donald Albert Paquet, Jr.
  • Patent number: 6376596
    Abstract: A curable coating composition comprising functionalized oligomer components i and ii which cross-link at cure to form a three-dimensional network having chains of substantially uniform, controllable molecular weight between cross-links; oligomers i and ii having weight average molecular weights not exceeding about 3,000, a polydispersity for (i) not exceeding about 1.5, and functionalities that react with one another to cross-link i and ii at cure to yield coatings with an excellent balance of hardness and mar resistance.
    Type: Grant
    Filed: November 12, 1998
    Date of Patent: April 23, 2002
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Robert John Barsotti, Isidor Hazan, Bruce Lyle Neff
  • Patent number: 6329489
    Abstract: The invention is directed to a process for making a reactive silane oligomer having low polydispersity, viscosity and volatility. The process utilizes reacting unsymmetrical difunctional silane monomers with water, diol monomers, or a combination thereof to make the reactive silane oligomer. The unsymmetrical difunctional silane monomers are with silane reactive groups having significantly different reactivities. Use of such reactive silane oligomers results in multi-component coating compositions having high miscibility, low VOC, low viscosity and high percentage of solids.
    Type: Grant
    Filed: December 20, 1999
    Date of Patent: December 11, 2001
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Basil V. Gregorovich, Isidor Hazan, Robert R. Matheson, Lech Wilczek
  • Patent number: 6268456
    Abstract: A sprayable coating composition that contains at least one soluble film-forming silicon-containing compound having, on average, more than one fuctionalized silicon group, a volatile organic carrier, a polymer microparticle component, and a catalyst; a substrate coated with the composition; a process for coating the substrate to provide a protective finish; the finish-protected substrate; certain oligomeric compounds and a process therefor.
    Type: Grant
    Filed: December 3, 1997
    Date of Patent: July 31, 2001
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Basil V. Gregorovich, Isidor Hazan, Robert Rudolph Matheson, Lech Wilczek
  • Patent number: 6080816
    Abstract: A coating comprising the silated reaction product of R.sup.1 (OH).sub.m and OCN(CH.sub.2).sub.t SiR.sup.4 (OR.sup.5).sub.2 and/or R.sup.2 --(SiYX.sub.2).sub.n ; a graft copolymer having an acrylic polymer based backbone and stabilizing arms comprising ethylenically unsaturated monomer, the backbone being insoluble and the arms being soluble in the composition; a melamine crosslinker; and an acrylic polyol; m, n, t, R.sup.1, R.sup.2 R.sup.4, R.sup.5, X and Y being defined in the text.
    Type: Grant
    Filed: November 10, 1997
    Date of Patent: June 27, 2000
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Basil V. Gregorovich, Isidor Hazan, Lech Wilczek
  • Patent number: 5945488
    Abstract: New adducts are produced from the reaction of vinyl dioxo compounds with anhydrides, epoxyesters, lactones, and lactams, and such adducts are useful for preparing curable coating compositions.
    Type: Grant
    Filed: October 13, 1998
    Date of Patent: August 31, 1999
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Basil Volodymr Gregorovich, Isidor Hazan, Hisanori Omura
  • Patent number: 5932667
    Abstract: Adducts of vinyldioxo compounds comprising a crosslinkable silyl-functional terminal group are disclosed. Such adducts are useful for preparing curable coating compositions.
    Type: Grant
    Filed: June 26, 1996
    Date of Patent: August 3, 1999
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Basil V. Gregorovich, Isidor Hazan, Hisanori Omura
  • Patent number: 5877332
    Abstract: New adducts are produced from the reaction of vinyl dioxo compounds with anhydrides, epoxyesters, lactones, and lactams, and such adducts are useful for preparing curable coating compositions.
    Type: Grant
    Filed: October 18, 1996
    Date of Patent: March 2, 1999
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Basil Volodymr Gregorovich, Isidor Hazan, Hisanori Omura
  • Patent number: 5747590
    Abstract: An improved coating composition having particularly good mar resistance when applied to an automotive surface, the composition comprising acrylic polymer(s), melamine, and a crosslinkable, aliphatic oligomer having a weight average molecular weight not exceeding about 3,000.
    Type: Grant
    Filed: December 4, 1996
    Date of Patent: May 5, 1998
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Patrick Henry Corcoran, Isidor Hazan, Sape Kwesi Quashie
  • Patent number: 5527936
    Abstract: A method for hydrosilylating an olefinically unsaturated compound comprising contacting the unsaturated compound with a source of silicon in the presence of an azo-containing free-radical catalyst, the hydrosilylated product being a useful crosslinking agent.
    Type: Grant
    Filed: February 17, 1995
    Date of Patent: June 18, 1996
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Hasan Dindi, Basil Gregorovich, Isidor Hazan, Stuart Milligan
  • Patent number: 5413809
    Abstract: A method for repairing a basecoat/topcoat finish or coating comprised of a silane topcoat. A silane curing catalyst is added to the repair basecoat composition to improve recoat adhesion.
    Type: Grant
    Filed: July 1, 1993
    Date of Patent: May 9, 1995
    Assignee: E. I. du Pont de Nemours and Company
    Inventor: Isidor Hazan
  • Patent number: 5252660
    Abstract: A coating composition containing a film-forming organosilane polymer and a sterically dispersed macromolecular polymer having silane functional macromonomer chains which react with the silane functionality of the organosilane polymer. The coating composition can be used as the clearcoat over a conventional pigmented basecoat, or as a basecoat or monocoat or primer when a suitable amount of pigment is incorporated therein. The coating composition provides improved chemical resistance and is not prone to cracking.
    Type: Grant
    Filed: December 17, 1990
    Date of Patent: October 12, 1993
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Isidor Hazan, Mitzie K. Rummel
  • Patent number: 5250605
    Abstract: A coating composition containing a film-forming organosilane polymer and a sterically dispersed macromolecular polymer having macromonomer chains which react with the silane functionality of the organosilane polymer. The coating compositon can be used as the clearcoat over a conventional pigmented basecoat, or as a basecoat or monocoat or primer when a suitable amount of pigment is incorporated therein. The coating composition provides improved chemical resistance and is not prone to cracking.
    Type: Grant
    Filed: March 16, 1992
    Date of Patent: October 5, 1993
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Isidor Hazan, Mitzie K. Rummel
  • Patent number: 5244696
    Abstract: A coating composition containing a film-forming organosilane polymer and a sterically dispersed macromolecular polymer having hydroxy functional macromonomer arms which react with the silane functionality of the organosilane polymer. The coating compositon can be used as the clearcoat over a conventional pigmented basecoat, or as a basecoat or monocoat or primer when a suitable amount of pigment is incorporated therein. The coating composition provides improved chemical resistance and is not prone to cracking.
    Type: Grant
    Filed: December 17, 1990
    Date of Patent: September 14, 1993
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Isidor Hazan, Mitzie K. Rummel