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Douglas G. Placek

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  • Yardley, PA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Epoxide compounds, methods of preparations and uses thereof
    • Patent number 11,795,153
    • Issue date Oct 24, 2023
    • Zschimmer & Schwarz, Inc.
    • Antonio Leyva Pérez
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Use of polyalkylmethacrylate polymer
    • Patent number 7,981,848
    • Issue date Jul 19, 2011
    • Evonik Rohmax Additives GmbH
    • Douglas G. Placek
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Use of a polyalkylmethacrylate polymer
    • Patent number 7,648,950
    • Issue date Jan 19, 2010
    • RohMax Additives GmbH
    • Douglas G. Placek
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Functional fluid and the use thereof
    • Patent number 7,470,381
    • Issue date Dec 30, 2008
    • RohMax Additives GmbH
    • Douglas G. Placek
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Metal working lubricant composition
    • Patent number 6,204,227
    • Issue date Mar 20, 2001
    • PABU Services, Inc.
    • Arvind M. N. Rao
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Phosphate lubricant compositions and metal forming use
    • Patent number 6,165,950
    • Issue date Dec 26, 2000
    • PABU Services, Inc.
    • Arvind M. Rao
    • B22 - CASTING POWDER METALLURGY

Patents Applicationslast 30 patents

  • Information Patent Application

    HYDRAULIC FLUID COMPOSITION THAT REDUCES HYDRAULIC SYSTEM NOISE
    • Publication number 20110162723
    • Publication date Jul 7, 2011
    • EVONIK ROHMAX ADDITIVES GMBH
    • Douglas G. Placek
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Application

    USE OF POLYALKYLMETHACRYLATE POLYMER
    • Publication number 20100144569
    • Publication date Jun 10, 2010
    • ROHMAX ADDITIVES GMBH
    • Douglas G. Placek
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Application

    POWER OUTPUT IN HYDRAULIC SYSTEMS
    • Publication number 20080302422
    • Publication date Dec 11, 2008
    • ROHMAX ADDITIVES GMBH
    • Christian Daniel Georges NEVEU
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Application

    Energy efficiency in hydraulic systems
    • Publication number 20070197410
    • Publication date Aug 23, 2007
    • ROHMAX ADDITIVES GMBH
    • Douglas G. Placek
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Application

    Use of a polyalkylmethacrylate polymer
    • Publication number 20060240999
    • Publication date Oct 26, 2006
    • ROHMAX ADDITIVES GMBH
    • Douglas G. Placek
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Application

    Functional fluid and the use thereof
    • Publication number 20050023504
    • Publication date Feb 3, 2005
    • ROHMAX ADDITIVES GMBH
    • Douglas G. Placek
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...