Harlan B. Johnson

Person

Rittman, OH, US

People

Patents Grantslast 30 patents

Information Patent Grant
Microporous material exhibiting increased whiteness retention
- Patent number 5,326,391
- Issue date Jul 5, 1994
- PPG Industries, Inc.
- Barbara J. Anderson
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process of producing an active agent delivery device
- Patent number 5,071,645
- Issue date Dec 10, 1991
- PPG Industries, Inc.
- Harlan B. Johnson
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Active agent delivery device
- Patent number 5,035,886
- Issue date Jul 30, 1991
- PPG Industries, Inc.
- Paritosh M. Chakrabarti
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Gas recombinant separator
- Patent number 5,009,971
- Issue date Apr 23, 1991
- PPG Industries, Inc.
- Harlan B. Johnson
- D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
Information Patent Grant
Calcium hypochlorite article
- Patent number 5,009,806
- Issue date Apr 23, 1991
- PPG Industries, Inc.
- Harlan B. Johnson
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Calcium hypochlorite composition
- Patent number 4,970,020
- Issue date Nov 13, 1990
- PPG Industries, Inc.
- Harlan B. Johnson
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Active agent delivery device
- Patent number 4,959,208
- Issue date Sep 25, 1990
- PPG Industries, Inc.
- Paritosh M. Chakrabarti
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Calcium hypochlorite composition
- Patent number 4,865,760
- Issue date Sep 12, 1989
- PPG Industries, Inc.
- Harlan B. Johnson
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Article having a corrosion inhibiting coating
- Patent number 4,849,297
- Issue date Jul 18, 1989
- PPG Industries, Inc.
- J. Douglas Mansell
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Corrosion inhibiting pigment
- Patent number 4,837,253
- Issue date Jun 6, 1989
- PPG Industries, Inc.
- J. Douglas Mansell
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Preparation of amorphous, precipitated silica and siliceous filler-...
- Patent number 4,681,750
- Issue date Jul 21, 1987
- PPG Industries, Inc.
- Harlan B. Johnson
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process using an oxidant depolarized solid polymer electrolyte chlo...
- Patent number 4,329,209
- Issue date May 11, 1982
- PPG Industries, Inc.
- Harlan B. Johnson
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Fixed bed oxygen depolarized cathode chlor-alkali cell
- Patent number 4,313,813
- Issue date Feb 2, 1982
- PPG Industries, Inc.
- Harlan B. Johnson
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Solid polymer electrolyte chlor-alkali process
- Patent number 4,253,924
- Issue date Mar 3, 1981
- PPG Industries, Inc.
- Harlan B. Johnson
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Brine electrolysis using fixed bed oxygen depolarized cathode chlor...
- Patent number 4,244,793
- Issue date Jan 13, 1981
- PPG Industries, Inc.
- Harlan B. Johnson
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Method of electrolysis
- Patent number 4,105,516
- Issue date Aug 8, 1978
- PPG Industries, Inc.
- Aleksandrs Martinsons
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Method of casting silicon
- Patent number 4,101,624
- Issue date Jul 18, 1978
- PPG Industries, Inc.
- Harlan B. Johnson
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Electrolytic method
- Patent number 4,101,394
- Issue date Jul 18, 1978
- PPG Industries, Inc.
- Harlan B. Johnson
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Electrolyzing brine using an anode coated with an intermetallic com...
- Patent number 4,055,477
- Issue date Oct 25, 1977
- PPG Industries, Inc.
- Harlan B. Johnson
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Method of activating an anode
- Patent number 4,040,918
- Issue date Aug 9, 1977
- PPG Industries, Inc.
- Harlan B. Johnson
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Electrolytic anode
- Patent number 4,007,107
- Issue date Feb 8, 1977
- PPG Industries, Inc.
- Harlan B. Johnson
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Method of electrolysis
- Patent number 3,990,957
- Issue date Nov 9, 1976
- PPG Industries, Inc.
- Howard H. Hoekje
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Electrodes having silicide surface
- Patent number 3,963,593
- Issue date Jun 15, 1976
- PPG Industries, Inc.
- Harlan B. Johnson
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Method of mounting silicon anodes in a chlor-alkali cell
- Patent number 3,958,741
- Issue date May 25, 1976
- PPG Industries, Inc.
- Harlan B. Johnson
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Harlan B. Johnson

Person

Patents Grantslast 30 patents

Microporous material exhibiting increased whiteness retention

Process of producing an active agent delivery device

Active agent delivery device

Gas recombinant separator

Calcium hypochlorite article

Calcium hypochlorite composition

Active agent delivery device

Calcium hypochlorite composition

Article having a corrosion inhibiting coating

Corrosion inhibiting pigment

Preparation of amorphous, precipitated silica and siliceous filler-...

Process using an oxidant depolarized solid polymer electrolyte chlo...

Fixed bed oxygen depolarized cathode chlor-alkali cell

Solid polymer electrolyte chlor-alkali process

Brine electrolysis using fixed bed oxygen depolarized cathode chlor...

Method of electrolysis

Method of casting silicon

Electrolytic method

Electrolyzing brine using an anode coated with an intermetallic com...

Method of activating an anode

Electrolytic anode

Method of electrolysis

Electrodes having silicide surface

Method of mounting silicon anodes in a chlor-alkali cell