Abstract: This invention relates to a fire retardant compound comprising at least one fibrous layer comprising a network of fibers such as high strength polyethylene or aramid fibers in a matrix such as a blend of a vinyl ester and a polyurethane, and a fire retardant layer comprised of a particulate fire retardant material which decompose an heating to a gaseous material such as magesium hydroxide dispersed in a matrix comprised of relatively high char yield resin such as cured phenolic cyanate resin.
Type:
Grant
Filed:
December 7, 1990
Date of Patent:
December 1, 1992
Assignee:
Allied-Signal Inc.
Inventors:
Kwok W. Lem, Hong B. Chin, Young D. Kwon, Dusan C. Prevorsek, Hsin L. Li
Abstract: Novel fluorogenic and chromogenic three-dimensional ionophores are provided which selectively bond ions such as potassium, sodium, and lithium, even in neutral aqueous or alcohol media. The novel ionophores comprse an "ion-recognizing system" fused to a "signal-moiety" through one or more heteroatoms having a non-bonded electron pair. The signal-moieties are selected from the group consisting of fused ring heterocyclics, fused aromatics, and substituted aromatics having at least one nitro or azo moiety. The ion-recognizing system is a three-dimensional cryptand. The ionophores are ideal for the selective and direct termination of ions in biological or environmental samples and the like.
Type:
Grant
Filed:
July 31, 1987
Date of Patent:
November 10, 1992
Assignee:
Allied-Signal Inc.
Inventors:
Davakaran Masilamani, Mariann E. Lucas, George S. Hammond
Abstract: This invention relates to electrically conductive and non-conductive forms of poly(heterocyclic vinylenes) and to solutions of same. Another aspect of this invention relates to novel precursor polymers which can be converted into the poly(heterocyclic vinylenes) of this invention.
Type:
Grant
Filed:
July 7, 1987
Date of Patent:
November 10, 1992
Assignee:
Allied-Signal
Inventors:
Kwan-Yue A. Jen, Ronald L. Elsenbaumer, Lawrence W. Shacklette
Abstract: The present invention provides an improved composite which comprises one or more layers, at least one of said layers comprising network of high strength filaments having a tensile modulus of at least about 160 grams/denier, a tenacity of at least about 7 g/denier and an energy-to-break of at least about 8 joules/gram in a matrix material, the ratio of the thickness of said layer to the equivalent diameter of said filaments is equal to or less than about 12.8, and complex composite articles formed from said composite.
Type:
Grant
Filed:
June 24, 1991
Date of Patent:
November 3, 1992
Assignee:
Allied-Signal Inc.
Inventors:
Hsin L. Li, Dusan C. Prevorsek, Gary A. Harpell, Young D. Kwon
Abstract: This invention relates to compositions of thermally stable electrically conductive substituted and unsubstituted polyanilines and to conductive articles formed from such compositions.
Abstract: This invention relates to electrically conductive and non-conductive forms of poly(heterocyclic vinylenes) and to solutions of same. Another aspect of this invention relates to novel precursor polymers which can be converted into the poly(heterocyclic vinylenes) of this invention.
Type:
Grant
Filed:
August 7, 1986
Date of Patent:
October 27, 1992
Assignee:
Allied-Signal Inc.
Inventors:
Kwan-Yue A. Jen, Ronald L. Elsenbaumer, Lawrence W. Shacklette
Abstract: A process of preparing a copolymer of vinyl monomer such as vinyl acetate, vinyl propionate and vinyl trifluoroacetate, and of fluorinated monomers such as tetrafluoroethylene and trifluoroethylene, said copolymer having an alternating or substantially alternating distribution of vinyl recurring monomeric units and fluorinated recurring monomeric units in the copolymer backbone which comprises copolymerizing said monomers in an aqueous reaction medium comprising water and a water miscible organic co-solvent in an amount less than the amount sufficient to form a distinct organic co-solvent phase.
Type:
Grant
Filed:
November 22, 1991
Date of Patent:
September 29, 1992
Assignee:
Allied-Signal Inc.
Inventors:
Bryce C. Oxenrider, David J. Long, Frank Mares
Abstract: This invention relates to electrically conductive and non-conductive forms of poly(heterocyclic vinylenes) and to solutions of same. Another aspect of this invention relates to novel precursor polymers which can be converted into the poly(heterocyclic vinylenes) of this invention.
Type:
Grant
Filed:
May 21, 1990
Date of Patent:
August 18, 1992
Assignee:
Allied-Signal Inc.
Inventors:
Kwan-Yue A. Jen, Ronald L. Elsenbaumer, Lawrence W. Shacklette
Abstract: The invention relates to a crystalline polyolefin composition having dispersed therein a nucleating agent composed of one or more polyesters.
Type:
Grant
Filed:
September 10, 1990
Date of Patent:
August 11, 1992
Assignee:
Allied-Signal Inc.
Inventors:
Yash P. Khanna, Kevin R. Slusarz, Georgette Chomyn, Tammy L. Smith
Abstract: A process of preparing a copolymer of vinyl monomer selected from the group consisting of vinyl acetate, vinyl propionate and vinyl trifluoroacetate, and of fluorinated monomer selected from the group consisting of tetrafluoroethylene and trifluoroethylene, said copolymer having an alternating or substantially alternating distribution of vinyl recurring monomeric units and fluorinated recurring monomeric units in the copolymer backbone which comprises copolymerizing said monomers in an aqueous reaction medium comprising water and a water miscible organic co-solvent in an amount less than the amount sufficient to form a distinct organic co-solvent phase.
Type:
Grant
Filed:
May 6, 1991
Date of Patent:
August 11, 1992
Assignee:
Allied-Signal Inc.
Inventors:
Bryce C. Oxenrider, David J. Long, Frank Mares
Abstract: The present invention is directed to a process of preparing a cyanato group containing phenolic resin by reacting the corresponding phenolic resin with a tertiary amine in a water immiscible, non-hydrogen bonding solvent at a temperature of preferably less than about 25.degree. C. to form the corresponding ammonium salt of the phenolic resin; and reacting the ammonium salt with a cyanogen halide at a temperature equal to or less than about 0.degree. C. in said solvent to form the cyanato containing phenolic resin.
Abstract: A process of preparing a copolymer of a vinyl monomer such as vinyl acetate, vinyl propionate and vinyl trifluoroacetate, and of fluorinated monomer such as tetrafluoroethylene and trifluoroethylene, said copolymer having an alternating or substantially alternating distributing of vinyl recurring monomeric units and fluorinated recurring monomeric units in the copolymers backbone which comprises copolymerizing said monomers in a reaction medium of a chlorocarbon, a fluorocarbon a chlorofluorocarbon or a mixture thereof.
Type:
Grant
Filed:
July 5, 1991
Date of Patent:
August 4, 1992
Assignee:
Allied-Signal Inc.
Inventors:
Frank Mares, Bryce C. Oxenrider, David J. Long, John P. Sibilia
Abstract: Novel fluorogenic ionophores have been synthesized which selectively bind ions such as potassium and sodium, even in neutral aqueous and alcoholic media and respond to such binding by fluorescence quenching or enhancement. These ionophores are ideal for the selective and direct determination of ions in biological or environmental samples and the like. The ionophores are also suitable for incorporation into fiber optic-based sensors for the continuous in vivo or in vitro monitoring of metal ions in blood or other biological fluids.
Type:
Grant
Filed:
August 24, 1987
Date of Patent:
August 4, 1992
Assignee:
Allied-Signal Inc.
Inventors:
Divakaran Masilamani, Mariann E. Lucas, George S. Hammond
Abstract: The present invention is a cyanato group containing phenolic resin, and to phenolic triazine resins derived therefrom. The cyanato group containing phenolic resin of the present invention can be completely cured to form a phenolic triazine resin having a glass transition temperature equal to or greater than 250.degree. C.
Abstract: The present invention is a cyanato group containing phenolic resin, and to phenolic triazine resins derived therefrom. The resin of the present invention is stable and has a long shelf life. This is indicated by the gel time of greater than 3 minutes and by a shelf life equal to or greater than 3 days.
Abstract: A process of forming block and/or graft copolymers of a polyester and a polyphenylene oxide which comprises heating a mixture of the polyester and the polyphenylene oxide in the presence of a phosphite compound.
Type:
Grant
Filed:
December 4, 1989
Date of Patent:
June 23, 1992
Assignee:
Allied-Signal, Inc.
Inventors:
Reginald T. H. Tang, Michael C. Bochnik, Frank Mares, Steve Arnold