using a chemical colour-forming ink

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CPC
B41M5/0253

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Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B41Printing, stamps B41MPRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES COLOUR PRINTING B41M5/00Duplicating or marking methods Sheet materials for use therein

Current Industry

B41M5/0253using a chemical colour-forming ink

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Patents Grantslast 30 patents

Information Patent Grant
Thermal transfer foil for producing a true color image, process for...
- Patent number 11,090,922
- Issue date Aug 17, 2021
- Leonhard Kurz Stiftung & Co. KG
- Eser Alper Unal
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Process for manufacture of decorative intermediate films for use in...
- Patent number 6,235,140
- Issue date May 22, 2001
- Dai Nippon Insatsu Kabushiki Kaisha
- Sumio Ishii
- B44 - DECORATIVE ARTS
Information Patent Grant
Color changing print
- Patent number 5,215,956
- Issue date Jun 1, 1993
- Kiyoharu Kawashima
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Process for manufacture of decorative intermediate films for use in...
- Patent number 4,976,805
- Issue date Dec 11, 1990
- Dai Nippon Insatsu Kabushiki Kaisha
- Sumio Ishii
- B44 - DECORATIVE ARTS
Information Patent Grant
2-[(3-Indolyl)carbonyl]-4/5-carboxybenzoic acids
- Patent number 4,351,768
- Issue date Sep 28, 1982
- Sterling Drug Inc.
- Nathan N. Crounse
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Indolyl phthalide compounds
- Patent number 4,322,352
- Issue date Mar 30, 1982
- Sterling Drug Inc.
- Nathan N. Crounse
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Heteroarylphthalides
- Patent number 4,307,018
- Issue date Dec 22, 1981
- Sterling Drug Inc.
- Nathan N. Crounse
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process and intermediates for preparing 3-[4-(disubstituted-amino)p...
- Patent number 4,255,577
- Issue date Mar 10, 1981
- Sterling Drug Inc.
- Paul J. Schmidt
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Phthalide compounds, processes and marking systems
- Patent number 4,251,446
- Issue date Feb 17, 1981
- Sterling Drug Inc.
- Nathan N. Crounse
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Pressure sensitive carbonless duplicating systems and thermal marki...
- Patent number 4,251,092
- Issue date Feb 17, 1981
- Sterling Drug Inc.
- Paul J. Schmidt
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Carbonless duplicating systems
- Patent number 4,200,313
- Issue date Apr 29, 1980
- Sterling Drug Inc.
- Paul J. Schmidt
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Marking systems containing 3-aryl-3-heterylphthalides and 3,3-bis(h...
- Patent number 4,189,171
- Issue date Feb 19, 1980
- Sterling Drug Inc.
- Nathan N. Crounse
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
3-[4-(Disubstituted-amino)phenyl]-3-(diphenylamino)phthalides
- Patent number 4,187,223
- Issue date Feb 5, 1980
- Sterling Drug Inc.
- Paul J. Schmidt
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Latent imaging master
- Patent number 4,097,637
- Issue date Jun 27, 1978
- A. B. Dick Company
- Adrian M. Loria
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Printed sheets containing concealed images and method and materials...
- Patent number 4,051,283
- Issue date Sep 27, 1977
- A. B. Dick Company
- Richard E. Thomas
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Dyestuff including pyrimido-indole moiety
- Patent number 4,007,172
- Issue date Feb 8, 1977
- Bayer Aktiengesellschaft
- Hubertus Psaar
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Copy sheet and method of printing the same
- Patent number 3,962,489
- Issue date Jun 8, 1976
- Gerhard Ritzerfeld
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Duplicating systems
- Patent number 3,931,443
- Issue date Jan 6, 1976
- Lamson Industries Limited
- David John Neale
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
3874884
- Patent number 3,874,884
- Issue date Apr 1, 1975
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
3851584
- Patent number 3,851,584
- Issue date Dec 3, 1974
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
3839424
- Patent number 3,839,424
- Issue date Oct 1, 1974
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
3830835
- Patent number 3,830,835
- Issue date Aug 20, 1974
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
3825507
- Patent number 3,825,507
- Issue date Jul 23, 1974
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
3774539
- Patent number 3,774,539
- Issue date Nov 27, 1973
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
3632364
- Patent number 3,632,364
- Issue date Jan 4, 1972
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
3560229
- Patent number 3,560,229
- Issue date Feb 2, 1971
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
3511656
- Patent number 3,511,656
- Issue date May 12, 1970
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
3451143
- Patent number 3,451,143
- Issue date Jun 24, 1969
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
3386379
- Patent number 3,386,379
- Issue date Jun 4, 1968
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
3332347
- Patent number 3,332,347
- Issue date Jul 25, 1967
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Patents Applicationslast 30 patents

Information Patent Application
Thermal Transfer Foil for Producing a True Color Image, Process for...
- Publication number 20180326718
- Publication date Nov 15, 2018
- Leonhard Kurz Stiftung & Co. KG
- Eser Alper Unal
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

using a chemical colour-forming ink

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Thermal transfer foil for producing a true color image, process for...

Process for manufacture of decorative intermediate films for use in...

Color changing print

Process for manufacture of decorative intermediate films for use in...

2-[(3-Indolyl)carbonyl]-4/5-carboxybenzoic acids

Indolyl phthalide compounds

Heteroarylphthalides

Process and intermediates for preparing 3-[4-(disubstituted-amino)p...

Phthalide compounds, processes and marking systems

Pressure sensitive carbonless duplicating systems and thermal marki...

Carbonless duplicating systems

Marking systems containing 3-aryl-3-heterylphthalides and 3,3-bis(h...

3-[4-(Disubstituted-amino)phenyl]-3-(diphenylamino)phthalides

Latent imaging master

Printed sheets containing concealed images and method and materials...

Dyestuff including pyrimido-indole moiety

Copy sheet and method of printing the same

Duplicating systems

3874884

3851584

3839424

3830835

3825507

3774539

3632364

3560229

3511656

3451143

3386379

3332347

Patents Applicationslast 30 patents

Thermal Transfer Foil for Producing a True Color Image, Process for...