Patents Represented by Attorney Gerhard H. Fuchs
  • Patent number: 5674438
    Abstract: This invention relates to a process for forming metal or non-metal carbide fiber from the corresponding metal or non-metal.
    Type: Grant
    Filed: July 12, 1989
    Date of Patent: October 7, 1997
    Assignee: AlliedSignal Inc.
    Inventors: Kundan M. Patel, Frank Mares, Joseph E. Mackey, Richard S. Hatami
  • Patent number: 5354602
    Abstract: An improved fiber reinforced glass composite includes a boron nitride-coated refractory fiber in a matrix of a black glass ceramic having the empirical formula SiCxOy where x ranges from about 0.9 to 1.6 and y ranges from about 0.7 to 1.8. Preferably the black glass ceramic is derived from cyclosiloxane monomers containing a vinyl group attached to silicon and/or a hydride-silicon group. Graceful failure can be obtained after exposure of the composites to temperatures up to 600.degree.-700.degree. C. in air.
    Type: Grant
    Filed: January 21, 1993
    Date of Patent: October 11, 1994
    Assignee: Allied-Signal Inc.
    Inventors: Gerald T. Stranford, Roger Y. Leung, Stephen T. Gonczy
  • Patent number: 5352713
    Abstract: A radiation curable coating composition comprising acrylate oligomers and monomers, vinyl ether monomers, and a free radical photoinitiator. The vinyl ether monomers replace N-vinyl-pyrrolidone or other undesirable reactive diluents while retaining or modifying the properties of coatings using such diluents.
    Type: Grant
    Filed: April 1, 1992
    Date of Patent: October 4, 1994
    Assignee: Allied-Signal Inc.
    Inventors: James R. Snyder, George D. Green, John J. Krajewski
  • Patent number: 5348774
    Abstract: Porous solid bodies, especially carbon bodies, are densified by chemical vapor deposition by establishing a thermal gradient within the body, thermally decomposing a gaseous precursor so deposit an electrically and thermally conductive deposit (e.g. carbon) within the body, and shifting the thermal gradient toward the lower temperature zone as deposition proceeds, by means of induction heating.
    Type: Grant
    Filed: August 11, 1993
    Date of Patent: September 20, 1994
    Assignee: AlliedSignal Inc.
    Inventors: Ilan Golecki, Robert C. Morris, Dave Narasimhan
  • Patent number: 5332455
    Abstract: A rapidly solidified brazing alloy consists essentially of about 14 to 45 weight percent magnesium and 0 to 10 weight percent of at least one element selected from the group consisting of silicon, bismuth, strontium, lithium, copper, calcium, zinc and tin, the balance being aluminum and incidental impurities. The alloy has a microcrystalline structure containing uniformly distributed intermetallic particles. It has the form of a foil (liquidus temperature <570.degree. C.) and can be used to braze non-heat-treatable rapidly solidified Al-Fe-V-Si alloy foil, sheet, plate, and tubing to produce components such as deicing duct, overduct, radiator, heat exchanger, evaporator, honeycomb panel for elevated temperature applications.
    Type: Grant
    Filed: December 18, 1992
    Date of Patent: July 26, 1994
    Assignee: AlliedSignal Inc.
    Inventors: Chin-Fong Chang, Santosh K. Das, Michael S. Zedalis
  • Patent number: 5328939
    Abstract: This invention relates to highly porous, crosslinked bodies derived from nitrogen-containing polymers, and a process of producing the porous bodies which comprises dissolving a nitrogen-containing polymer to form a gel, ionically crosslinking the gel, and covalently further crosslinking the ionically crosslinked gel body.
    Type: Grant
    Filed: April 27, 1993
    Date of Patent: July 12, 1994
    Assignee: AlliedSignal Inc.
    Inventor: Tammy Smith
  • Patent number: 5328976
    Abstract: Carbon-containing black glass compositions of matter having the empirical formula SiC.sub.x O.sub.
    Type: Grant
    Filed: December 23, 1991
    Date of Patent: July 12, 1994
    Assignee: Allied-Signal Inc.
    Inventors: Roger Y. Leung, Stephen T. Gonczy, Ming S. Shum, Joseph J. Zupancic
  • Patent number: 5324816
    Abstract: This invention relates to a process for improving the optical, thermal and/or mechanical properties of a polymer by subjecting a melt of the polymer to a shearing action at an effective shear rate, as for example a shear rate of greater than about 100 sec.sup.-1, for a time sufficient to improve said properties.
    Type: Grant
    Filed: June 14, 1989
    Date of Patent: June 28, 1994
    Assignee: Allied-Signal Inc.
    Inventors: Yash P. Khanna, John J. Belles, Jr., Annemarie C. Reimschuessel, Asis Banerjie
  • Patent number: 5322825
    Abstract: An improved fiber reinforced glass composite includes a refractory fiber in a matrix of a nitrogen-containing black glass ceramic having the empirical formula SiN.sub.z C.sub.x O.sub.y where x ranges from greater than zero up to about 2.0, preferably 0.1 to 1.0, y ranges from 0.5 up to about 3.0, preferably 0.7 to 1.8, and z ranges from above zero up to about 1.5, preferably 0.2 to 1.0. Preferably the black glass ceramic is derived from cyclosiloxane monomers containing a vinyl group attached to silicon and/or a hydride-silicon group. The cyclosiloxane monomers are polymerized and then pyrolyzed in an ammonia-containing atmosphere to produce the nitrogen-containing black glass (silicon oxycarbonitride).
    Type: Grant
    Filed: May 29, 1992
    Date of Patent: June 21, 1994
    Assignee: Allied-Signal Inc.
    Inventors: Roger Y. Leung, Jon F. Nebo, Stephen T. Gonczy
  • Patent number: 5322555
    Abstract: A black glass having the empirical formula SiCxOy where x is greater than zero and up to about 2.0 and y is greater than zero and up to about 2.2 is produced from a cyclosiloxane polymer precursor by pyrolysis in the presence of oxygen by heating at a rate exceeding about 5.degree. C./min.
    Type: Grant
    Filed: June 29, 1993
    Date of Patent: June 21, 1994
    Assignee: Allied-Signal Inc.
    Inventors: Roger Y. Leung, John G. Sikonia, Stephen T. Gonczy
  • Patent number: 5321711
    Abstract: Solid state laser gain media of segmented construction are composed of at least two segments of a doped crystalline laser host which are arranged in crystallographic alignment, wherein the dopant concentration varies from segment to segment to provide gradient doping levels for reducing thermally generated stress/strain in the lasing operation.
    Type: Grant
    Filed: August 17, 1992
    Date of Patent: June 14, 1994
    Assignee: AlliedSignal Inc.
    Inventors: William R. Rapoport, Michael L. Shand
  • Patent number: 5318930
    Abstract: A fiber reinforced glass composite capable of absorbing or transmitting microwave radiation includes refractory fiber in a matrix of a black glass ceramic having the empirical formula SiCxOy where x is greater than zero and up to about 2.0, and y is greater than zero and up to about 2.2. Preferably, the black glass ceramic is made by pyrolyzing precursor polymers derived from cyclosiloxane monomers containing a vinyl group attached to silicon and/or a hydride-silicon group in a controlled atmosphere, thereby adjusting the dielectric properties.
    Type: Grant
    Filed: May 26, 1993
    Date of Patent: June 7, 1994
    Assignee: Allied-Signal Inc.
    Inventors: Roger Y. Leung, Stephen T. Gonczy
  • Patent number: 5316598
    Abstract: Magnesium base metal alloy sheet is produced by rolling the rolling stock extruded or forged from a billet at a temperature ranging from 200.degree. C. to 300.degree. C. The billet is consolidated from rapidly solidified magnesium based alloy powder that consists essentially of the formula Mg.sub.bal Al.sub.a Zn.sub.b X.sub.c, wherein X is at least one element selected from the group consisting of manganese, cerium, neodymium, praseodymium, and yttrium, "a" ranges from about 0 to 15 atom percent, "b" ranges from about 0 to 4 atom percent, "c" ranges from about 0.2 to 3 atom percent, the balance being magnesium and incidental impurities, with the proviso that the sum of aluminum and zinc present ranges from about 2 to 15 atom percent. The alloy has a uniform microstructure comprised of fine grain size ranging from 0.2-1.0 .mu.m together with precipitates of magnesium and aluminum containing intermetallic phases of a size less than 0.1 .mu.m.
    Type: Grant
    Filed: May 29, 1992
    Date of Patent: May 31, 1994
    Assignee: Allied-Signal Inc.
    Inventors: Chin-Fong Chang, Santosh K. Das
  • Patent number: 5310775
    Abstract: This invention relates to a composition comprising (a) at least one polymer selected from the group consisting of poly(chlorotrifluoroethylene) and copolymers of chlorotrifluoroethylene and one or more ethylenic comonomers; wherein said copolymers comprise at least about 50% by weight of chlorotrifluoroethylene and (b) effective amount of one or more nucleating agents selected from the group of compounds consisting of silver octonate, calcium carbonate, potassium benzoate, talc and lays bentonite, montmorillonite, hectorite and derivatives thereof.
    Type: Grant
    Filed: July 20, 1992
    Date of Patent: May 10, 1994
    Assignee: AlliedSignal Inc.
    Inventors: John P. Sibilia, Yash P. Khanna, Anthony J. Signorelli, Dean A. Roberts
  • Patent number: 5308421
    Abstract: An improved protective layer for ceramic insulating bodies includes a composite having a refractory fiber in a matrix of a black glass ceramic having the empirical formula SiCxOy where x ranges from about 0.5 to about 2.0, preferably 0.9 to 1.6 and y ranges from about 0.5 to 3 0, preferably 0.7 to 1.8. The black glass ceramic is derived from cyclosiloxane monomers containing a vinyl group attached to silicon and/or a hydride-silicon group. The protective layer is formed by laying up plies of a prepreg on the insulating body following by pressing, curing and pyrolyzing said prepreg to form said protective layer.
    Type: Grant
    Filed: April 12, 1991
    Date of Patent: May 3, 1994
    Assignee: Allied-Signal Inc.
    Inventors: Stephen T. Gonczy, Roger Y. Leung
  • Patent number: 5296049
    Abstract: A magnetic metallic glass alloy exhibits, in combination, high saturation induction and low magnetic anisotropy energy. The alloy has a composition described by the formula Fe.sub.a Co.sub.b B.sub.c Si.sub.d C.sub.e, where "a"-"e" are in atom percent, "a" ranges from about 72 to about 84, "b" ranges from about 2 to about 8, "c" ranges from about 11 to about 16, "d" ranges from about 1 to about 4, and "e" ranges from 0 to about 4, with up to about 1 atom percent of Mn being optionally present. Such an alloy is especially suited for use in large magnetic cores associated with pulse power applications requiring high magnetization rates. Examples of such applications include high power pulse sources for linear induction particle accelerators, induction modules for coupling energy from the pulse source to the beam of these accelerators, magnetic switches in power generators in inertial confinement fusion research, magnetic modulators for driving excimer lasers, and the like.
    Type: Grant
    Filed: May 25, 1993
    Date of Patent: March 22, 1994
    Assignee: Allied-Signal Inc.
    Inventors: V. R. V. Ramanan, Carl H. Smith
  • Patent number: 5295019
    Abstract: Method and apparatus for separating a mixed frequency light beam, particularly a laser light beam, into its different frequency components by impinging it on a first surface of an optical slab which reflects one component but transmits another, and re-directing the reflected component via a roof prism to a second surface of the slab which is adjacent to and positioned 90.degree. to the first surface, to obtain a reflected beam which is co-directional with the mixed beam, but stripped of the transmitted component.
    Type: Grant
    Filed: January 17, 1992
    Date of Patent: March 15, 1994
    Assignee: Allied-Signal Inc.
    Inventor: William R. Rapoport
  • Patent number: 5292707
    Abstract: Natural gas is stored in a closed vessel under a pressure of about 1400 to 4500 kPa using a carbon molecular sieve adsorbent. The deliverable volume of natural gas from a vessel packed with carbon molecular sieve particles is increased by raising the density of the polymer precursor of the carbon molecular sieve through adjustment of the conditions for suspension polymerization of vinylidene chloride.
    Type: Grant
    Filed: November 25, 1992
    Date of Patent: March 8, 1994
    Assignee: Allied-Signal Inc.
    Inventors: Luis M. Aparicio, Scott R. Keenan, Li Wang
  • Patent number: 5292489
    Abstract: This invention provides a compound having the formula LnSi.sub.3 N.sub.5 wherein Ln is selected from the group consisting of scandium, yttrium, cerium, praseodymium, neodymium, promethium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, and lutetium. In addition, there is provided a method for making the compound Ln'Si.sub.3 N.sub.5 wherein Ln' is a radical selected from the group consisting of lanthanum, scandium, yttrium, cerium, praseodymium, neodymium, promethium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium and lutetium, comprising the step of reacting SiO.sub.z, Ln'.sub.x O.sub.y in a nitrogen atmosphere in the presence of carbon at a temperature of from 1200.degree. C. to about 2000.degree. C. for at least 2 hrs.
    Type: Grant
    Filed: June 24, 1991
    Date of Patent: March 8, 1994
    Assignee: AlliedSignal Inc.
    Inventors: Anthony J. Fanelli, Jeffrey P. Solar, Beili L. Wu, Jean Yamanis
  • Patent number: 5292706
    Abstract: Natural gas is stored in a closed vessel under a pressure of about 1400 to 4500 kPa using a carbon molecular sieve adsorbent. The deliverable volume of natural gas from a vessel packed with carbon molecular sieve particles is increased by impregnating a polymer precursor of the carbon molecular sieve with additional monomers and polymerizing the monomers before carbonizing the precursor.
    Type: Grant
    Filed: October 21, 1992
    Date of Patent: March 8, 1994
    Assignee: Allied-Signal Inc.
    Inventors: Chin-Hsiung Chang, Li Wang, Mark Kaiser