Patents Assigned to Cytec Technology Corporation
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Patent number: 8303761Abstract: A method of manufacturing a curved element made of composite material includes: preparing at least one dry, flat reinforcing layer with curved fibers. A resin film is combined with the dry, flat reinforcing layer, and heat and pressure are applied in controlled manner to bring about the infusion of the resin into the reinforcing layer and to obtain at least one layer of pre-infused material. At least one prepreg layer is prepared with straight fibers impregnated with resin compatible with the resin of the pre-infused material. The layer of pre-infused material and the prepreg layer are superimposed on one another to obtain a layered structure. The layered structure, arranged on a shaped support tool is subjected to a polymerization cycle to obtain the curved element.Type: GrantFiled: July 24, 2008Date of Patent: November 6, 2012Assignees: Alenia Aeronautica S.p.A., Cytec Technology CorporationInventors: Sabato Inserra Imparato, Vincenzo De Vita, Luca Di Tommaso, Marc Andrea Doyle
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Patent number: 8216534Abstract: A method and composition for flocculation and separation of suspended solids from an industrial process stream containing suspended solids is provided. The method includes the steps of adding to the stream a water-in-oil-in-water emulsion polymer in an amount effective to flocculate the suspended solids and separating the flocculated solids therefrom. The composition is a water-in-oil-in-water emulsion of a water-soluble polymer in which the continuous phase is an aqueous solution of a water-soluble salt.Type: GrantFiled: March 3, 2011Date of Patent: July 10, 2012Assignee: Cytec Technology CorporationInventors: Franklyn A. Ballentine, Morris Lewellyn
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Publication number: 20100193115Abstract: A method of manufacturing a curved element made of composite material includes: preparing at least one dry, flat reinforcing layer with curved fibres. A resin film is combined with the dry, flat reinforcing layer, and heat and pressure are applied in controlled manner to bring about the infusion of the resin into the reinforcing layer and to obtain at least one layer of pre-infused material. At least one prepreg layer is prepared with straight fibres impregnated with resin compatible with the resin of the pre-infused material. The layer of pre-infused material and the prepreg layer are superimposed on one another to obtain a layered structure. The layered structure, arranged on a shaped support tool is subjected to a polymerization cycle to obtain the curved element.Type: ApplicationFiled: July 24, 2008Publication date: August 5, 2010Applicants: Alenia Aeronautica S.p.A., Cytec Technology CorporationInventors: Sabato Inserra Imparato, Vincenzo De Vita, Luca Di Tommaso, Marc Andrea Doyle
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Patent number: 6297377Abstract: This invention relates generally to benzocycle-substituted pyrimidines and triazines and the use thereof to protect against degradation by environmental forces, inclusive of ultraviolet light, actinic radiation, oxidation, moisture, atmospheric pollutants and combinations thereof. The new class of benzocycle-substituted pyrimidines and triazines comprises a benzocycle attached to the triazine or pyrimidine ring, and preferably an additional aryl ring containing a hydroxyl group, either free or blocked to form a latent stabilizer, ortho- to the point of attachment to the triazine or pyrimidine ring. These materials may, under the appropriate circumstances, be bonded to formulations comprising coatings, polymers, resins, organic compounds and the like via reaction of the bondable functionality with the materials of the formulation. A method for stabilizing a material by incorporating such benzocycle-substituted pyrimidines and triazines is also disclosed.Type: GrantFiled: June 18, 1999Date of Patent: October 2, 2001Assignee: Cytec Technology CorporationInventors: Ram B. Gupta, Dennis J. Jakiela, Robert G. Fischer
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Patent number: 6288226Abstract: Provided is a process for preparing an at least bis-carbamate functional 1,3,5-triazine by contacting an at least diamino-1,3,5-triazine, an acyclic organic carbonate and a base, as well as certain novel compositions producible thereby. Also provided are substantially halogen contamination free crosslinker compositions comprising the products obtainable by the process, and curable compositions based upon these crosslinkers.Type: GrantFiled: October 6, 1998Date of Patent: September 11, 2001Assignee: Cytec Technology CorporationInventors: Lawrence A. Flood, Ram B. Gupta, Revathi Iyengar, David A. Ley, Venkatarao K. Pai
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Patent number: 6262141Abstract: Methods of preparing an acrylic polymer according to the present invention comprise the steps of: forming a gelled polymer by polymerizing a mixture containing an acrylic monomer and a photoinitiator; comminuting the gelled polymer to produce gel particles; and irradiating the gel particles with light to decompose the photoinitiator, simultaneously with, or after, the step of comminuting. The gel particles may be irradiated with UV light while they are being dried in a fluid-bed dryer.Type: GrantFiled: October 6, 1999Date of Patent: July 17, 2001Assignee: Cytec Technology CorporationInventors: Douglas A. Cywar, Roderick G. Ryles, Melvyn Holdsworth
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Patent number: 6239276Abstract: This invention relates generally to para-tertiary alkyl phenyl substituted pyrimidines and triazines and the use thereof to protect against degradation by environmental forces, inclusive of ultraviolet light, actinic radiation, oxidation, moisture, atmospheric pollutants and combinations thereof. The new class of para-tertiary alkyl phenyl substituted pyrimidines and triazines includes two tertiary alkylated phenyl groups, and a resorcinol or substituted resocinol group attached to the triazine or pyrimidine ring. These materials may, under the appropriate circumstances, be bonded to formulations comprising coatings, polymers, resins, organic compounds and the like via reaction of the bondable functionality with the materials of the formulation. A method for stabilizing a material by incorporating such para-tertiary alkyl phenyl substituted pyrimidines and triazines is also disclosed.Type: GrantFiled: June 18, 1999Date of Patent: May 29, 2001Assignee: Cytec Technology CorporationInventors: Ram B. Gupta, Dennis J. Jakiela
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Patent number: 6132985Abstract: The present invention describes methods for the detoxification of a mixture of nitrile compounds, or a mixture of nitrile and amide compounds by conversion of the nitrile compound(s) to the corresponding amide or acid compounds using a pure culture of an induced microorganism strain capable of converting a nitrile moiety to an amide or acid moiety. If an amide is formed or is present in the mixture, the amide can be further converted, using the present methods for detoxification, to the corresponding acid. The acid can then, if desired, be further degraded to CO.sub.2, H.sub.2 O and biomass. The induced pure cultures are able to detoxify a mixture of nitriles or a mixture of nitrites and amides which are typically present, in high concentration(s), in nitrile production waste streams.Type: GrantFiled: June 18, 1999Date of Patent: October 17, 2000Assignee: Cytec Technology CorporationInventor: George E. Pierce
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Patent number: 6121446Abstract: The present invention relates to a method for preparing tris-substituted alkoxycarbonylamino-1,3,5-triazine compounds, which involves reacting a amino-1,3,5-triazine compound such as melamine, for example, in the presence of excess amounts of carbon monoxide and an alcohol, a sub-stoichiometric amount of a base, a catalyst system that includes a catalytic amount of a primary catalyst of a group VIII metal or metal salt, and a sub-stoichiometric amount of a co-catalyst of a group I-B or lanthanide series metal or metal salt. The reaction is conducted at a temperature, pressure and length of time sufficient to form a tris-substituted alkoxycarbonylamino-1,3,5-triazine compound in a yield of at least about 5 percent, with improved yields of more than 40 percent being conveniently obtained.Type: GrantFiled: November 10, 1998Date of Patent: September 19, 2000Assignee: Cytec Technology CorporationInventor: Lawrence Allen Flood
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Patent number: 6060265Abstract: The present invention describes methods for the detoxification of a mixture of nitrile compounds, or a mixture of nitrile and amide compounds by conversion of the nitrile compound(s) to the corresponding amide or acid compounds using a pure culture of an induced microorganism strain capable of converting a nitrile moiety to an amide or acid moiety. If an amide is formed or is present in the mixture, the amide can be further converted, using the present methods for detoxification, to the corresponding acid. The acid can then, if desired, be further degraded to CO.sub.2, H.sub.2 O and biomass. The induced pure cultures are able to detoxify a mixture of nitriles or a mixture of nitriles and amides which are typically present, in high concentration(s), in nitrile production waste streams.Type: GrantFiled: June 25, 1998Date of Patent: May 9, 2000Assignee: Cytec Technology CorporationInventor: George E. Pierce
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Patent number: 6015485Abstract: Provided are high activity catalysts based upon gamma alumina containing substrates impregnated with one or more catalytically active metals, which catalysts in addition contain a nanocrystalline phase of alumina of a crystallite size at the surface of less than 25 .ANG.. Also provided are processes for preparing such high activity catalysts and various uses thereof.Type: GrantFiled: September 25, 1995Date of Patent: January 18, 2000Assignee: Cytec Technology CorporationInventors: Peter Joseph Shukis, James Donald Carruthers, Vincent Joseph Lostaglio
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Patent number: 5955566Abstract: Thermosetting polymers with high temperature capability for composite and adhesive applications are disclosed. Inhibitors for improving pot life, gel time and storage stability are disclosed. These polymers are ideally suited for adhesives and RTM, resin film infusion, and prepreg methods to make polymer matrix, fiber reinforced composite parts.Type: GrantFiled: November 13, 1996Date of Patent: September 21, 1999Assignee: Cytec Technology CorporationInventors: Jean Lee, Jack Douglas Boyd, Albert Kuo
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Patent number: 5891254Abstract: Methods for the purification of sugar solutions using hydrolyzed polyacrylamides as flocculants are herein described. The hydrolyzed polyacrylamides are prepared from emulsion or microemulsion polymerization of acrylamide monomer, and subsequently hydrolyzed to a degree of hydrolysis of about 10 to about 50 mole %. The hydrolyzed polyacrylamides have a molecular weight of at least about 10,000,000.Type: GrantFiled: June 13, 1997Date of Patent: April 6, 1999Assignee: Cytec Technology CorporationInventors: Michael W. Coville, Qi Dai
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Patent number: 5871839Abstract: Galvanic degradation under salt spray or salt water conditions in hybrid structures containing a corrosible metal and a conductive fiber reinforced polymer matrix composite is reduced through the addition to the polymer matrix of the composite of an effective amount of an inorganic corrosion/degradation inhibitor.Type: GrantFiled: June 13, 1997Date of Patent: February 16, 1999Assignee: CYTEC Technology CorporationInventors: Jack D. Boyd, Lawrence C. Hopper
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Patent number: 5792866Abstract: Provided is a process for preparing an at least bis-carbamate functional 1,3,5-triazine by contacting an at least diamino-1,3,5-triazine, an acyclic organic carbonate and a base, as well as certain novel compositions producible thereby. Also provided are substantially halogen contamination free crosslinker compositions comprising the products obtainable by the process, and curable compositions based upon these crosslinkers.Type: GrantFiled: May 25, 1995Date of Patent: August 11, 1998Assignee: Cytec Technology CorporationInventors: Lawrence A. Flood, Ram B. Gupta, Revathi Iyengar, David A. Ley, Vankatarao K. Pai
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Patent number: 5773283Abstract: The present invention relates to the aerobic reaction of compounds such as aromatic, nitro-aromatic, halo-aromatic, halo-nitro-aromatic, aliphatic and halo-aliphatic compounds with a microorganism, said microorganism being a member of the group consisting of microorganisms having ATCC Accession No. 55644, 55648, 55645, 55641, 55647, 55642, 55643, 55646, 55649, 55722, 55723, 55726, 55727, 55724, and 55725.Type: GrantFiled: December 15, 1995Date of Patent: June 30, 1998Assignee: Cytec Technology CorporationInventor: George E. Pierce
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Patent number: 5688685Abstract: The present invention relates to the aerobic reaction of compounds such as aromatic, nitro-aromatic, halo-aromatic, aliphatic and halo-aliphatic compounds with a microorganism, the microorganism being a member of the group consisting of microorganisms having ATCC Accession No. 55641, 55642, 55643, 55644, 55645, 55646, 55647, 55648 and 55649 More particularly, the present invention relates to the aerobic degradation of organic compounds in fluid or solid phase such that the compounds are bioremediated to products containing CO.sub.2 and H.sub.2 O.Type: GrantFiled: December 16, 1994Date of Patent: November 18, 1997Assignee: Cytec Technology CorporationInventor: George E. Pierce
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Patent number: 5665244Abstract: Processes for reducing the level of impurities in alumina trihydrate produced in the Bayer process are disclosed, wherein alumina trihydrate-containing process streams are flocculated with hydroxamated polymers and centrifuged.Type: GrantFiled: November 6, 1996Date of Patent: September 9, 1997Assignee: Cytec Technology CorporationInventors: Alan Rothenberg, Greg Flieg, Robert Cole
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Patent number: 5641679Abstract: The present invention relates to the aerobic reaction of compounds such as aromatic, nitro-aromatic, halo-aromatic, aliphatic and halo-aliphatic compounds with a microorganism, the microorganism being a member of the group consisting of microorganisms having ATCC Accession No. 55641, 55642, 55643, 55644, 55645, 55646, 55647, 55648 and 55649. More particularly, the present invention relates to the aerobic degradation of organic compounds in fluid or solid phase such that the compounds are bioremediated to products containing CO.sub.2 and H.sub.2 O.Type: GrantFiled: December 16, 1994Date of Patent: June 24, 1997Assignee: Cytec Technology CorporationInventor: George E. Pierce
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Patent number: 5585272Abstract: The present invention relates to the aerobic reaction of compounds such as aromatic, nitro-aromatic, halo-aromatic, aliphatic and halo-aliphatic compounds with a microorganism, the microorganism being a member of the group consisting of microorganisms having ATCC Accession No. 55641, 55642, 55643, 55644, 55645, 55646, 55647, 55648 and 55649. More particularly, the present invention relates to the aerobic degradation of organic compounds in fluid or solid phase such that the compounds are bioremediated to products containing CO.sub.2 and H.sub.2 O.Type: GrantFiled: December 16, 1994Date of Patent: December 17, 1996Assignee: Cytec Technology CorporationInventors: George E. Pierce, Carolyn W. English