US4263047A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Color developing ink
Assignee: Fujifilm Holdings Corp
•
Filing: 1979-09-11
•
Granted: 1981-04-21
•
Expires: 1999-09-11
Abstract
Abstract A color developing ink containing a phenolic resin or a metal salt of an aromatic carboxylic acid and an alcohol having from 10 to 20 carbon atoms.
Inventors
- 👤 Akio Miyamoto
- 👤 Hiroharu Matsukawa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:22
CPC Classifications
C; C09; C09D; C09D11/00; C09D11/50; B; B41; B41M; B41M5/00; B41M5/124; B41M5/132; B41M5/155; C09D11/02
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
76 words
A color developer for ink capable of being printed on paper by a letterpress printing machine or an offset printing machine consisting essentially of (i) a phenolic resin or a metal salt of an aromatic carboxylic acid and (ii) an alcohol having from 10 to 20 carbon atoms, said printed paper being characterized by satisfactory developing ability affording a light-resistant colored image when contacted with a color former and being free from stack time dependent stain.
Claim 2
Dependent Claim
76 words
A color developer for ink capable of being printed on paper by a letterpress printing machine or an offset printing machine consisting essentially of (i) a phenolic resin or a metal salt of an aromatic carboxylic acid and (ii) an alcohol having from 10 to 20 carbon atoms, said printed paper being characterized by satisfactory developing ability affording a light-resistant colored image when contacted with a color former and being free from stack time dependent stain.
Claim 3
Dependent Claim
37 words
The color developer for ink of claim 1, wherein said ink additionally contains (iii) a saturated aliphatic hydrocarbon having a boiling point of about 200° to 330° C. at atmospheric pressure or a saturated aliphatic hydrocarbon-containing compound.
Claim 4
Dependent Claim
34 words
The color developer for ink of claim 1, wherein said alcohol is present in an amount of 20 to 150% by weight based on the weight of the phenolic resin or the metal salt.
Claim 5
Dependent Claim
30 words
The color developer for ink of claim 2, wherein said hydrocarbon is present in an amount of about 0 to 400% by weight based on the weight of the alcohol.
Claim 6
Dependent Claim
27 words
The color developer for ink of claim 1, wherein said phenolic resin or said metal salt is present in an amount of 10 to 80% by weight.
Claim 7
Dependent Claim
20 words
The color developer for ink of claim 1, wherein said phenolic resin is a phenol-aldehyde polymer or a phenol-acetylene polymer.
Claim 8
Dependent Claim
20 words
The color developer for ink of claim 1, wherein said metal salt is a metal salt of a benzoic acid.
Claim 9
Dependent Claim
20 words
The color developer for ink of claim 1, wherein said metal salt is a metal salt of a salicylic acid.
Claim 10
Dependent Claim
30 words
The color developer for ink of claim 1, wherein said metal salt is a metal salt of an aromatic carboxylic acid having a hydroxyl group at the o- or p-position.
Claim 11
Dependent Claim
36 words
The color developer for ink of claim 9, wherein said aromatic carboxylic acid is a salicylic acid bearing a substituent having 8 or more carbon atoms at a position ortho or para to the hydroxyl group.
Claim 12
Dependent Claim
25 words
In a letter press or offset printing process using a color developer for ink, the improvement wherein said ink is the ink of claim 1.
Claim 13
Dependent Claim
19 words
A printed paper having printed on at least one surface thereof, the color developer for ink of claim 1.
References Cited (Backward Citations)
US2505470A
Cited
US2505489A
Cited
US2548366A
Cited
US2550471A
Cited
US2712507A
Cited
US2730457A
Cited
US2730456A
Cited
US2800457A
Cited
US2800458A
Cited
US2939009A
Cited
GB867797A
Cited
GB950443A
Cited
GB989264A
Cited
GB1091076A
Cited
US3322557A
Cited
US3672935A
Cited
US3539375A
Cited
US3718250A
Cited
US4012554A
Cited
US3957495A
Cited
US4183553A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1984-04-20 | 1984-10-20 | 1985-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-04-20 | 1988-10-20 | 1989-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-04-20 | 1992-10-20 | 1993-04-21 | $7700.00 | Window Closed / Lapsed |