Patents by Inventor Gerardo Caporiccio

Gerardo Caporiccio 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: 6040277
    Abstract: Disclosed are grease compositions containing a liquid fluorinated polymer and a thickening agent containing hexagonal lattice boron nitride powder having a bimodal particle size distribution as well as grease compositions containing a liquid fluorinated polymer and a thickening agent containing hexagonal lattice boron nitride powder and a solid fluorinated polymer.
    Type: Grant
    Filed: March 8, 1994
    Date of Patent: March 21, 2000
    Assignee: Dow Corning Corporation
    Inventor: Gerardo Caporiccio
  • Patent number: 5595962
    Abstract: A lubricant composition is disclosed which provides good antiwear characteristics in air at .gtoreq.100.degree. C. and exhibits a low friction coefficient, said composition comprising:(A) a fluorosilicone oil;(B) at least one compound selected from the group consisting of ferrocene, 1,1'-bis(diphenylphosphino) ferrocene and an N,N-disalicylidene-diaminoalkane in which the alkane portion has 3-6 carbon atoms; and(C) at least one phosphorous compound selected from the group consisting of triphenylphosphine, tri-o-tolylphosphine, 1,5-bis-diphenylphosphinopentane and a dialkyldithiophosphate salt in which the alkyl groups have 1-14 carbon atoms, wherein said components (B) and said component (C) is each present at a level of 0.01 to 0.3 percent based on the total weight of said composition.
    Type: Grant
    Filed: January 16, 1996
    Date of Patent: January 21, 1997
    Assignee: Dow Corning Corporation
    Inventors: Gerardo Caporiccio, Hugh A. Spikes
  • Patent number: 5527933
    Abstract: There is disclosed an improved method for preparing a hybrid organodisilanol compound having the formulaHO--R.sup.1 R.sup.2 SiC.sub.n H.sub.2n RC.sub.n H.sub.2n SiR.sup.1 R.sup.2 --OH (I)said method comprising:(A) reacting a dihydridosilane of the formulaR.sup.1 R.sup.2 SiH.sub.2 (II)with a diene of the formulaC.sub.n H.sub.2n-1 RC.sub.n H.sub.2n-1 (III)to provide a dihydrido compound of the formulaH--R.sup.1 R.sup.2 SiC.sub.n H.sub.2n RC.sub.n H.sub.2n SiR.sup.1 R.sup.2 --H (IV); and(B) reacting said dihydrido compound (IV) with a buffered water solution in the presence of a palladium catalyst.
    Type: Grant
    Filed: October 2, 1995
    Date of Patent: June 18, 1996
    Inventors: Bernard Boutevin, Francine Guida-Pietrasanta, Amedee Ratsimihety, Gerardo Caporiccio
  • Patent number: 5493049
    Abstract: This invention provides 1) novel reactive fluorinated compounds derived from a specified class of telomers or cotelomers of fluoroolefins; and 2) stable products and stable polymers thereof obtained by reaction or polycondensation of the novel reactive fluorinated compounds with specified classes of hydrogenated aliphatic, alicyclic, aromatic reactive compounds, telechelic oligomers and block polymers wherein said stable products and polymers contain hetero atoms such as oxygen, sulfur or nitrogen and are characterized by high thermal and chemical resistance.
    Type: Grant
    Filed: May 20, 1994
    Date of Patent: February 20, 1996
    Assignee: Dow Corning Corporation
    Inventor: Gerardo Caporiccio
  • Patent number: 5486422
    Abstract: The invention is concerned with silicone copolymer containing terminal and/or pendant oxyalkylene styrene groups which are crosslinkable in the presence of a photoinitiator when exposed to UV radiation and their use in a compositions for coating substrates to provide substrates with anti-adhesive properties.
    Type: Grant
    Filed: April 17, 1995
    Date of Patent: January 23, 1996
    Assignee: Dow Corning Corporation
    Inventors: Bernard J. L. Boutevin, Latifa Abdellah, Gerardo Caporiccio
  • Patent number: 5457158
    Abstract: A process is described for preparing blends of fluorocarbon plastomers such as vinylidene fluoride polymers with fluorosilicone elastomers to obtain materials having a unique combination of flexibility at low temperature and high mechanical strength. Vinylidene fluoride polymer is first exposed to radiation and then mixed with the fluorosilicone. Coagents such as diallylphtalate and triallylisocyanurate are also used to assist in grafting and compatibilizing the two polymers.
    Type: Grant
    Filed: July 11, 1994
    Date of Patent: October 10, 1995
    Assignee: Dow Corning Corporation
    Inventors: Gerardo Caporiccio, Liberato Mascia
  • Patent number: 5453528
    Abstract: The present invention relates to an improved method for preparing a fluorinated silane having the formulaR.sup.1.sub.4 Si (I)or the formulaR.sup.2.sub.3 Si(R.sup.3 SiR.sup.4.sub.2).sub.z R.sup.3 SiR.sup.2.sub.3(II)said method comprising reacting the corresponding halide-functional or alkoxy-functional silane with lithium aluminum hydride or sodium borohydride to form a hydride-functional silane and then reacting the latter with a vinyl-terminated fluorotelomer or an allyl-terminated fluorotelomer, wherein at least three R.sub.1 of said silane (I), at least two of the R.sup.2 and at least one R.sup.4 of said silane (II) are selected from derivatives of fluorotelomers or fluorocotelomers, z has an average value of 0 to 4 and R.sup.3 is a derivative of an alkylene-terminated telechelic divalent telomer or cotelomer.
    Type: Grant
    Filed: November 21, 1994
    Date of Patent: September 26, 1995
    Assignee: Dow Corning Corporation
    Inventors: Bernard Boutevin, Francine Guida-Pietrasanta, Amedee Ratsimiehety, Gerardo Caporiccio
  • Patent number: 5446214
    Abstract: A cotelomer of --CH.sub.2 CF.sub.2 -- (VDF) units and CF.sub.2 CF(CF.sub.3)-- (HFP) units characterized in that the HEP units comprise at least 33% of all VDF and HFP units in the cotelomer combined. Also claimed is a process for preparing a cotelomer in the liquid state comprising reacting (A) a bromine geminal telogen having the general formula RC(R')Br.sub.2 wherein R and R' are selected from the group consisting of F and perfluorinated alkyl radicals having 1 to 8 carbon atoms; (B) 1,1-difluoroethene, and (C) hexafluoropropene, the molar ratio of said components (A):(B):(C) being x:1:1 to x:1:5, in which x is 1 to 5.
    Type: Grant
    Filed: October 27, 1994
    Date of Patent: August 29, 1995
    Assignee: Dow Corning Corporation
    Inventors: Gerardo Caporiccio, Richard D. Chambers, Lee D. Proctor
  • Patent number: 5445752
    Abstract: Disclosed are high performance grease compositions containing methylfluoroalkylsiloxanes and solid thickeners containing fluorinated polymers.
    Type: Grant
    Filed: March 7, 1994
    Date of Patent: August 29, 1995
    Assignee: Dow Corning Corporation
    Inventor: Gerardo Caporiccio
  • Patent number: 5436309
    Abstract: The invention is concerned with silicone copolymer containing terminal and/or pendant oxyalkylene styrene groups which are crosslinkable in the presence of a photoinitiator when exposed to UV radiation and their use in a compositions for coating substrates to provide substrates with anti-adhesive properties.
    Type: Grant
    Filed: April 19, 1994
    Date of Patent: July 25, 1995
    Assignee: Dow Corning Corporation
    Inventors: Bernard J. L. Boutevin, Latifa Abdellah, Gerardo Caporiccio
  • Patent number: 5395886
    Abstract: This invention relates to fluorohydrocarbon polymers which are modified by the incorporation of substitiuents bearing a functional group such as vinyl, allyl, acrylate, alkoxysilane, amido, sulfonic acid salt, pyridine, carboxylic ester, and carboxylic salt. The functional groups may be further reacted to obtain branching, grafting, or crosslinking of the polymers. Copolymers of vinylidene fluoride and hexafluoropropene such as VITON A rubber and KYNAR FLEX 2801 plastomer, are typical of the class of fluorohydrocarbon polymers which are modified to obtain the new materials of this invention.
    Type: Grant
    Filed: July 13, 1994
    Date of Patent: March 7, 1995
    Assignee: Dow Corning Corporation
    Inventors: Gerardo Caporiccio, Gerald A. Gornowicz
  • Patent number: 5382614
    Abstract: Difunctional perfluoropolyetheral compounds having polar or non-polar hydrogenated end groups, suitable for being used as inner lubricants in the chemical formulation of the active layer of magnetic recording media, characterized by a solubility in methylethylketone at 20.degree. C. ranging from 0.05% to 2% by weight.
    Type: Grant
    Filed: September 17, 1993
    Date of Patent: January 17, 1995
    Assignee: Ausimont S.p.A.
    Inventors: Mario A. Scarati, Gerardo Caporiccio
  • Patent number: 5367023
    Abstract: This invention relates to fluorohydrocarbon polymers which are modified by the incorporation of substitiuents bearing a functional group such as vinyl, allyl, acrylate, alkoxysilane, amido, sulfonic acid salt, pyridine, carboxylic ester, and carboxylic salt. The functional groups may be further reacted to obtain branching, grafting, or crosslinking of the polymers. Copolymers of vinylidene fluoride and hexafluoropropene such as VITON A rubber and KYNAR FLEX 2801 plastomer, are typical of the class of fluorohydrocarbon polymers which are modified to obtain the new materials of this invention.
    Type: Grant
    Filed: April 12, 1993
    Date of Patent: November 22, 1994
    Assignee: Dow Corning Corporation
    Inventors: Gerardo Caporiccio, Gerald A. Gornowicz
  • Patent number: 5350878
    Abstract: This invention provides 1) novel reactive fluorinated compounds derived from a specified class of telomers or cotelomers of fluoroolefins; and 2) stable products and stable polymers thereof obtained by reaction or polycondensation of the novel reactive fluorinated compounds with specified classes of hydrogenated aliphatic, alicyclic, aromatic reactive compounds, telechelic oligomers and block polymers wherein said stable products and polymers contain hetero atoms such as oxygen, sulfur or nitrogen and are characterized by high thermal and chemical resistance.
    Type: Grant
    Filed: February 10, 1993
    Date of Patent: September 27, 1994
    Assignee: Dow Corning Corporation
    Inventor: Gerardo Caporiccio
  • Patent number: 5334454
    Abstract: The present invention refers to the deposition of thin film coatings produced by plasma-activated chemical vapor deposition of volatile fluorinated cyclic siloxanes of the structure [RR'SiO].sub.x, in which R is a hydrocarbon radical with 1-6 carbon atoms, R' is a fluorinated hydrocarbon radical with 3-10 carbon atoms, the carbon in the alpha and beta positions with respect to the silicon atom is hydrogenated and x is 3 or 4.
    Type: Grant
    Filed: February 22, 1993
    Date of Patent: August 2, 1994
    Assignee: Dow Corning Corporation
    Inventors: Gerardo Caporiccio, Riccardo D'Agostino, Pietro Favia
  • Patent number: 5230929
    Abstract: The present invention refers to coatings produced by means of the deposit of thin films formed by plasma-activated chemical vapor deposition of volatile fluoridated cyclic siloxanes having the structure [RR'SiO].sub.x, where R is an alkyl group with 1-6 carbon atoms, R' is a fluorinated alkyl group with 3-10 carbon atoms, the carbon in the alpha and beta positions with respect to the silicon atom is hydrogenated and x is 3 or 4. These particular coatings are useful because of their properties of protection and insulation.
    Type: Grant
    Filed: July 20, 1992
    Date of Patent: July 27, 1993
    Assignee: Dow Corning Corporation
    Inventors: Gerardo Caporiccio, Riccardo D'Agostino, Pietro Favia
  • Patent number: 5210123
    Abstract: A vinylidene fluoride-hexafluoroisobutylene copolymer powder is employed to thicken a conventional fluorine-containing liquid lubricant to provide a grease composition which has improved lubrication character in metal bearing subjected to the simultaneous conditions of high load, high speed and elevated temperature.
    Type: Grant
    Filed: October 1, 1990
    Date of Patent: May 11, 1993
    Assignee: Dow Corning Corporation
    Inventor: Gerardo Caporiccio
  • Patent number: 5208312
    Abstract: The invention relates to copolymers of siloxanes with the formula:(R.sub.a).sub.3 SiO(V).sub.v --(W).sub.w --(Y).sub.y --(Z).sub.z --Si(R.sub.a).sub.3whereV=SiR.sub.a R.sub.b O--;W=SiR'.sub.a (R.sub.c --R.sub.d --OCH.dbd.CH.sub.2)O--;Y=SiR.sub.a R.sub.g O--;Z=R.sub.a R.sub.g SiC.sub.n H.sub.2n R'.sub.f C.sub.n H.sub.2n SiR.sub.a R.sub.g O-- where n=2, 3 or 4;v, y, z=0 or an integer, w.noteq.0 with v+y+z.noteq.0;R.sub.a =alkyl or phenyl; R.sub.b =R.sub.a ; R'.sub.a =R.sub.a or alkoxy; R.sub.c =alkylene, for example:R.sub.d =--OCONHR.sub.e NHCO--, --NH--COOC.sub.2 H.sub.4 --, or --NHCOOC.sub.3 H.sub.6 --;R.sub.e =divalent hydrocarbon radicals; R.sub.g, R.sub.f and R'.sub.f are fluorinated or perfluorinated radicals.The above copolymers are used for the preparation of antiadhesive coatings, for example on paper.
    Type: Grant
    Filed: February 21, 1992
    Date of Patent: May 4, 1993
    Assignee: Dow Corning Corporation
    Inventors: Bernard J. L. Boutevin, Boulos Youssef, Gerardo Caporiccio
  • Patent number: 5196614
    Abstract: The present invention relates to a novel, catalyst-free method for preparing brominated telomers of chlorotrifluoroethylene. The process comprises reacting chlorotrifluoroethylene with a brominated telogen at a temperature in excess of 200.degree. C. for a time sufficient to produce the telomer.
    Type: Grant
    Filed: April 29, 1992
    Date of Patent: March 23, 1993
    Assignee: Dow Corning Corporation
    Inventors: Gerardo Caporiccio, Gerald A. Gornowicz, Bernard Boutevin
  • Patent number: 5169998
    Abstract: Chemically inert fluorinated organosilicon compounds for use as, e.g., lubricants are described corresponding to the formulaeR.sup.1.sub.4 SiorR.sup.2.sub.3 Si(R.sup.3 SiR.sup.4.sub.2).sub.z R.sup.23,where z is from 1 to 4, inclusive, at least three of the R.sup.1 radicals, at least two of the terminal R.sup.2 radicals, and preferably one of the non-terminal R.sup.2 radicals are derived from(a) monovalent alkyl-terminated fluorotelomers of chlorotrifluoroethylene or(b) monovalent alkyl-terminated fluorocotelomers of chlorotrifluoroethylene and either hexafluoropropene or mixtures of hexafluoropropene and tetrafluoroethylene, andR.sup.3 represents an alkenyl-terminated divalent fluorotelomer or cotelomer, and the value of z is from 1 to 4, inclusive.
    Type: Grant
    Filed: September 23, 1991
    Date of Patent: December 8, 1992
    Assignee: Dow Corning Corporation
    Inventor: Gerardo Caporiccio