Donald J. Barclay

Person

Olivers Battery, GB

People

Patents Grantslast 30 patents

Information Patent Grant
Method and electrolytic display for selectively displaying an image
- Patent number 4,526,441
- Issue date Jul 2, 1985
- International Business Machines Corporation
- Barry F. Dowden
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Electrodeposition of chromium and its alloys
- Patent number 4,507,178
- Issue date Mar 26, 1985
- International Business Machines Corporation
- Donald J. Barclay
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Electrodeposition of chromium and its alloys
- Patent number 4,502,927
- Issue date Mar 5, 1985
- International Business Machines Corporation
- Donald J. Barclay
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Electrolytic display device employing metal ion catalysis
- Patent number 4,488,782
- Issue date Dec 18, 1984
- International Business Machines Corporation
- Donald J. Barclay
- G02 - OPTICS
Information Patent Grant
Bath and process for the electrodeposition of chromium
- Patent number 4,472,250
- Issue date Sep 18, 1984
- International Business Machines Corporation
- Donald J. Barclay
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Trivalent chromium electroplating baths
- Patent number 4,448,648
- Issue date May 15, 1984
- International Business Machines Corporation
- Donald J. Barclay
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Trivalent chromium electroplating baths
- Patent number 4,448,649
- Issue date May 15, 1984
- International Business Machines Corporation
- Donald J. Barclay
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Electrodeposition of chromium
- Patent number RE31508
- Issue date Jan 24, 1984
- International Business Machines Corporation
- Donald J. Barclay
- 204 - Chemistry: electrical and wave energy
Information Patent Grant
Method of and solution for electroplating chromium and chromium all...
- Patent number 4,417,955
- Issue date Nov 29, 1983
- International Business Machines Corporation
- Donald J. Barclay
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Trivalent chromium electroplating solution and process
- Patent number 4,374,007
- Issue date Feb 15, 1983
- International Business Machines Corporation
- Donald J. Barclay
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Low concentration trivalent chromium electroplating solution and pr...
- Patent number 4,278,512
- Issue date Jul 14, 1981
- International Business Machines Corporation
- Donald J. Barclay
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Kerr effect apparatus
- Patent number 4,265,543
- Issue date May 5, 1981
- International Business Machines Corporation
- Donald J. Barclay
- G01 - MEASURING TESTING
Information Patent Grant
Elimination of anode hydrogen cyanide formation in trivalent chromi...
- Patent number 4,256,548
- Issue date Mar 17, 1981
- International Business Machines Corporation
- Donald J. Barclay
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Counter electrode arrangement of an electrochromic display device
- Patent number 4,256,380
- Issue date Mar 17, 1981
- International Business Machines Corporation
- Donald J. Barclay
- G02 - OPTICS
Information Patent Grant
Electrochromic display device
- Patent number 4,252,418
- Issue date Feb 24, 1981
- International Business Machines Corporation
- Donald J. Barclay
- G02 - OPTICS
Information Patent Grant
Electrochromic display device
- Patent number 4,228,431
- Issue date Oct 14, 1980
- International Business Machines Corporation
- Donald J. Barclay
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Method of brightening electrodeposited chromium
- Patent number 4,196,062
- Issue date Apr 1, 1980
- International Business Machines Corporation
- Donald J. Barclay
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Electrolyte for electrochromic display device
- Patent number 4,187,003
- Issue date Feb 5, 1980
- International Business Machines Corporation
- Donald J. Barclay
- G02 - OPTICS
Information Patent Grant
Electrochromic display device
- Patent number 4,167,308
- Issue date Sep 11, 1979
- International Business Machines Corporation
- Donald J. Barclay
- G02 - OPTICS
Information Patent Grant
Electrochromic display device
- Patent number 4,167,309
- Issue date Sep 11, 1979
- International Business Machines Corporation
- Donald J. Barclay
- G02 - OPTICS
Information Patent Grant
Electroplating chromium and its alloys
- Patent number 4,161,432
- Issue date Jul 17, 1979
- International Business Machines Corporation
- Donald J. Barclay
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Method and composition for electroplating chromium and its alloys a...
- Patent number 4,141,803
- Issue date Feb 27, 1979
- International Business Machines Corporation
- Donald J. Barclay
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR

Donald J. Barclay

Person

Patents Grantslast 30 patents

Method and electrolytic display for selectively displaying an image

Electrodeposition of chromium and its alloys

Electrodeposition of chromium and its alloys

Electrolytic display device employing metal ion catalysis

Bath and process for the electrodeposition of chromium

Trivalent chromium electroplating baths

Trivalent chromium electroplating baths

Electrodeposition of chromium

Method of and solution for electroplating chromium and chromium all...

Trivalent chromium electroplating solution and process

Low concentration trivalent chromium electroplating solution and pr...

Kerr effect apparatus

Elimination of anode hydrogen cyanide formation in trivalent chromi...

Counter electrode arrangement of an electrochromic display device

Electrochromic display device

Electrochromic display device

Method of brightening electrodeposited chromium

Electrolyte for electrochromic display device

Electrochromic display device

Electrochromic display device

Electroplating chromium and its alloys

Method and composition for electroplating chromium and its alloys a...