Patents Represented by Attorney, Agent or Law Firm Robert R. Neller
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Patent number: 8084120Abstract: A composite material comprising the following components: (a) a first prepreg material with improved resistance to microbuckling and kinkband formation; and (b) a second prepreg material with improved resistance to delamination.Type: GrantFiled: September 2, 2008Date of Patent: December 27, 2011Assignee: Cytec Technology GroupInventors: Samuel Jestyn Hill, Emiliano Frulloni, Carmelo LoFaro, Robin Maskell
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Patent number: 8080313Abstract: Particle toughened, fiber-reinforced composites include a fiber region and an interlayer region between the fibers. The fiber region includes a plurality of fibers at least partially within a first polymer composition including a first base polymer formulation and a first plurality of toughening particles. The interlayer region includes a second polymer composition including a second base polymer formulation and at least one of the first plurality of toughening particles and a second plurality of toughening particles. Examples of first and second pluralities of toughening particles, respectively, may include core shell rubbers and polyimides. Increasing concentration of the first plurality of toughening particles may improve the composite toughness while preserving thermal properties of the composite, such as weight loss after extended duration exposure to elevated temperature.Type: GrantFiled: May 25, 2010Date of Patent: December 20, 2011Assignee: Cytec Technology Corp.Inventors: Mark Richard Bonneau, Jack Douglas Boyd, Gordon T. Emmerson, Scott D. Lucas, Stephen J. Howard, Spencer Donald Jacobs
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Patent number: 7311960Abstract: Stiffness-treated honeycomb sandwich structures which exhibit reduced core crush and/or reduced void content are provided. Additionally, stiffness-treated prepreg plies which exhibit increased frictional resistance when disposed on other prepreg plies are also provided. Further, associated starting materials and methods are provided.Type: GrantFiled: May 24, 1999Date of Patent: December 25, 2007Assignee: Cytec Technology Corp.Inventors: Scott D. Lucas, Robin K. Maskell
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Patent number: 7192634Abstract: A flexible polymer element for a curable composition wherein the flexible polymer element is in solid phase and adapted to undergo at least partial phase transition to fluid phase on contact with a component of the curable composition in which it is soluble at a temperature which is less than the temperature for substantial onset of gelling and/or curing of the curable composition; a method for the preparation thereof, a support structure or carrier for a curable composition comprising the at least one flexible polymer element together with reinforcing fibers, configurations of support structures and carriers, methods for preparation thereof, a curable composition comprising the at least one flexible polymer element or the support structure or carrier and a curable resin matrix, a kit of parts comprising the components thereof and a method for selection thereof, a method for preparation and curing thereof, and a cured composite or resin body obtained thereby, and known and novel uses thereof.Type: GrantFiled: August 16, 2001Date of Patent: March 20, 2007Assignee: Cytec Technology Corp.Inventors: Jeffrey Thomas Carter, Carmelo Lo Faro, Robin Kelvin Maskell, Patrick Terence McGrail
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Patent number: 7084213Abstract: A polymer composition comprising chains of at least one aromatic polymer or a mixture thereof together with at least one chain linking component wherein the at least one aromatic polymer comprises polymer chains of number average molecular weight (Mn) in a first range and characterised by a polymer flow temperature, and having at least one reactive end group, and wherein the at least one chain linking component comprises at least two linking sites, characterised in that a plurality of the polymer chain end groups are adapted to react with the linking sites at chain linking temperature in excess of the polymer flow temperature to form linked polymer chains of number average molecular weight (Mn) in a second range which is in excess of the first range, substantially thermoplastic in nature; process for the preparation thereof; prepreg, composite or shaped product obtained therewith and the use thereof.Type: GrantFiled: August 20, 2001Date of Patent: August 1, 2006Assignee: Cytec Technology Crop.Inventors: Patrick Terence McGrail, Jeffrey Thomas Carter
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Patent number: 6773721Abstract: An osmotic caplet is disclosed comprising an osmotic caplet exit for delivering a preselected dose of drug to a patient in need of therapy.Type: GrantFiled: May 16, 1995Date of Patent: August 10, 2004Assignee: ALZA CorporationInventors: Patrick S.-L. Wong, Felix Theeuwes, George V. Guittard, Atul D. Ayer
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Patent number: 6764697Abstract: A dosage form is disclosed comprising means for delaying the delivery of drug from the dosage form following the administration of the dosage form to a patient in need of drug therapy.Type: GrantFiled: February 13, 1998Date of Patent: July 20, 2004Assignee: ALZA CorporationInventors: Frank Jao, Patrick S. -L. Wong, Hoa T. Huynh, Kathy Mc Chesney, Pamela K. Wat
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Patent number: 6551613Abstract: A dosage form is disclosed comprising a semipermeable walled container that houses a capsule, which capsule comprises a drug formulation, a piston, and an osmotic composition. The dosage form delivers the drug formulation through a passageway at a controlled rate over a sustained-release period of time up to 24 hours.Type: GrantFiled: July 14, 1999Date of Patent: April 22, 2003Assignee: Alza CorporationInventors: Liang-Chang Dong, Patrick S. L. Wong, Vincent Joseph Ferrari, Steven Espinal
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Patent number: 6534089Abstract: The invention disclosed pertains to a novel delivery system comprising an agent formulation and means for dispensing the agent formulation from the delivery system.Type: GrantFiled: June 23, 2000Date of Patent: March 18, 2003Assignee: Alza CorporationInventors: Atul D. Ayer, Andrew Lam, Judy A. Magruder, Lawrence G. Hamel, Patrick S. L. Wong
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Patent number: 6514530Abstract: A dosage form is disclosed comprising means for delivering essentially a total dose of drug.Type: GrantFiled: August 5, 1998Date of Patent: February 4, 2003Assignee: ALZA CorporationInventors: Robert R. Skluzacek, David E. Edgren
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Patent number: 6491945Abstract: A hydrocodone composition, a hydrocodone dosage form, and a method of administering hydrocodone are disclosed and indicated for hydrocodone therapy.Type: GrantFiled: September 16, 1994Date of Patent: December 10, 2002Assignee: ALZA CorporationInventors: Jerry D. Childers, George V. Guittard, Glen E. Barclay, Anthony L. Kuczynski, Patrick S. L. Wong
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Patent number: 6440457Abstract: The invention pertains to a dosage form 10 and to administering an antidepressant medicament 16 for an extended period of time in a rate-known dose.Type: GrantFiled: May 27, 1993Date of Patent: August 27, 2002Assignee: Alza CorporationInventors: David Emil Edgren, Gurdish Kaur Bhatti, Zahedeh Hatamkhani, Patrick S. L. Wong
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Patent number: 6387403Abstract: Dosage forms and methods for providing sustained release of reboxetine are provided. The sustained release dosage forms provide therapeutically effective average steady-state plasma reboxetine concentrations when administered once per day. This once-a-day dosing regimen results in only one peak plasma reboxetine concentration occurrence in each 24 hour period. In addition, the peak plasma reboxetine concentration occurs at a later time following dose administration and exhibits a lesser magnitude than the peak plasma reboxetine concentration that occurs following administration of reboxetine in an immediate-release dosage form.Type: GrantFiled: September 14, 2000Date of Patent: May 14, 2002Assignee: ALZA CorporationInventors: Sylvia L. Seroff, Noymi V. Yam, Atul D. Ayer, Padmanabh P. Bhatt, Michael A. Desjardin, Andrew C. Lam, David E. Edgren, Phillip R. Nixon
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Patent number: 6368626Abstract: Controlled release of active agents from sustained release push delivery devices having high drug loading are described wherein residual drug content in the device is minimized by the utilization of a flow-promoting layer between a semi-permeable wall and drug layer comprising the device.Type: GrantFiled: November 1, 1999Date of Patent: April 9, 2002Assignee: ALZA CorporationInventors: Padmanabh Bhatt, Evangeline Cruz, Noymi Yam
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Patent number: 6361795Abstract: The invention disclosed comprises a method for administering the antidiabetic drug glipizide to a patient in need of glipizide in need of antidiabetic therapy.Type: GrantFiled: January 11, 1994Date of Patent: March 26, 2002Assignee: Alza CorporationInventors: Anthony L. Kuczynski, Atul Devolatt Ayer, Patrick S. L. Wong