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John C. Rohanna

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  • Ambler, PA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Making low-sodium resin
    • Patent number 11,370,852
    • Issue date Jun 28, 2022
    • DDP Specialty Electronic Materials US, Inc.
    • John C. Rohanna
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Sulfonation process
    • Patent number 10,428,163
    • Issue date Oct 1, 2019
    • Rohm and Haas Company
    • John C. Rohanna
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Treating sulfuric acid
    • Patent number 10,138,124
    • Issue date Nov 27, 2018
    • Rohm and Haas Company
    • John C. Rohanna
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    Method for making anion exchange and chelant resins including aliph...
    • Patent number 9,486,798
    • Issue date Nov 8, 2016
    • Dow Global Technologies LLC
    • George D. Green
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

  • Information Patent Application

    LOW-SODIUM RESIN
    • Publication number 20210277161
    • Publication date Sep 9, 2021
    • John C. Rohanna
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    MAKING LOW-SODIUM RESIN
    • Publication number 20200354486
    • Publication date Nov 12, 2020
    • DDP SPECIALTY ELECTRONIC MATERIALS US, INC.
    • John C. Rohanna
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    TREATING VINYL AROMATIC RESIN
    • Publication number 20190291096
    • Publication date Sep 26, 2019
    • DOW GLOBAL TECHNOLOGIES LLC
    • William Carlin
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Application

    VINYL AROMATIC RESIN
    • Publication number 20190292285
    • Publication date Sep 26, 2019
    • DOW GLOBAL TECHNOLOGIES LLC
    • G. Leslie Burnett
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    REMOVING COLLOIDAL COBALT FROM AN AQUEOUS COMPOSITION
    • Publication number 20190143297
    • Publication date May 16, 2019
    • DOW GLOBAL TECHNOLOGIES LLC
    • William Carlin
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Application

    SULFONATION PROCESS
    • Publication number 20180086863
    • Publication date Mar 29, 2018
    • Rohm and Haas Company
    • John C. Rohanna
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Application

    TREATING SULFURIC ACID
    • Publication number 20180079645
    • Publication date Mar 22, 2018
    • Rohm and Haas Company
    • John C. Rohanna
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    METHOD FOR MAKING ANION EXCHANGE AND CHELANT RESINS INCLUDING ALIPH...
    • Publication number 20160236187
    • Publication date Aug 18, 2016
    • ANGUS CHEMICAL COMPANY
    • George D. Green
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL