Patent US4217468A successfully refreshed from Google Patents.
US4906296A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Catalytic fountain solution
Assignee: Individual
•
Filing: 1989-02-01
•
Granted: 1990-03-06
•
Expires: 2009-02-01
Abstract
Abstract A fountain solution for introducing a catalytic agent to lithographic printing ink. The catalytic agent is formulated into a catalytic fountain solution, transported via the fountain solution to the ink and infused therein to impart desired qualities to the ink. An organic titanate compound is used as a catalytic agent in conjunction with apparatus to initiate drying for preventing ink offset and producing clean, sharp printing.
Inventors
- 👤 Leon A. Zweig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 00:48
CPC Classifications
C; C09; C09D; C09D11/00; C09D11/02; C09D11/03; B; B41; B41N; B41N3/00; B41N3/08
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
47 words
A fountain solution for transporting a catalytic, cross-linking agent to lithographic printing ink and infusing the catalytic agent into the ink, the fountain solution comprising water, gum and a catalytic, cross-linking agent adapted to cross-link the ink upon exposure to ultraviolet radiation, infrared radiation or hot air.
Claim 2
Dependent Claim
47 words
A fountain solution for transporting a catalytic, cross-linking agent to lithographic printing ink and infusing the catalytic agent into the ink, the fountain solution comprising water, gum and a catalytic, cross-linking agent adapted to cross-link the ink upon exposure to ultraviolet radiation, infrared radiation or hot air.
Claim 3
Dependent Claim
17 words
A fountain solution as claimed in claim 1, wherein the crosslinking agent is an organic titanate compound.
Claim 4
Dependent Claim
17 words
A fountain solution as claimed in claim 2, wherein the organic titanate compound is a titanate chelate.
References Cited (Backward Citations)
US3682688A
Cited
US4548645A
Cited
US4604952A
Cited
US4659848A
Cited
US4705568A
Cited
US4764213A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1993-03-05 | 1993-09-04 | 1994-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-03-05 | 1997-09-04 | 1998-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-03-05 | 2001-09-04 | 2002-03-06 | $7700.00 | Window Closed / Lapsed |