US3418935A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ink transfer member
Assignee: Harris Graphics Corp
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Filing: 1966-07-18
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Granted: 1968-12-31
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Expires: 1986-07-18
Abstract
No abstract record available.
Inventors
- 👤 Dolor N Adams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:54
CPC Classifications
B; B41; B41N; B41N7/00; B41N7/06; B41N2207/00; B41N2207/02; B41N2207/14
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
66 words
IN AN INKING ROLLER FOR PRINTING, A SURFACE THEREON ADAPTED TO RECEIVE A FATTY ACID-CONTAINING INK, SAID SURFACE COMPRISING AN ION-EXCHANGE RESIN POLYMERIZED TO AN INKINSOLUBLE STATE, SAID RESIN BEING SELECTED FROM THE GROUP CONSISTING OF A COPOLYMER OF STYRENE AND VINYL PYRIDINE, AND POLYVINYLPYRIDINE, SAID ION-EXCHANGE RESIN BEING REACTIVE WITH THE FATTY ACID OF SAID INK AND THEREBY PROVIDING AN INK-ATTRACTIVE SURFACE ON SAID ROLLER.
Claim 2
Dependent Claim
66 words
IN AN INKING ROLLER FOR PRINTING, A SURFACE THEREON ADAPTED TO RECEIVE A FATTY ACID-CONTAINING INK, SAID SURFACE COMPRISING AN ION-EXCHANGE RESIN POLYMERIZED TO AN INKINSOLUBLE STATE, SAID RESIN BEING SELECTED FROM THE GROUP CONSISTING OF A COPOLYMER OF STYRENE AND VINYL PYRIDINE, AND POLYVINYLPYRIDINE, SAID ION-EXCHANGE RESIN BEING REACTIVE WITH THE FATTY ACID OF SAID INK AND THEREBY PROVIDING AN INK-ATTRACTIVE SURFACE ON SAID ROLLER.
Claim 3
Independent Claim
81 words
THE METHOD OF USING AN INKING ROLLER COMPRISING THE STEPS OF APPLYING TO THE SURFACE OF THE PRINTING ROLLER AN AMINO-POLYMERIC ION-EXCHANGE OLEOPHILIC RESIN, THEN APPLYING INK TO SUCH OLEOPHILIC RESIN, AND SUBSEQUENTLY CLEANING THE SURFACE OF SUCH ROLLER BY APPLYING TO SUCH SURFACE AN ACID SELECTED FROM THE GROUP CONSISTING OF A MINERAL ACID AND A STRONG ORGANIC ACID TO REVERSE THE POLARITY OF SUCH ION-EXCHANGE OLEOPHILIC RESIN TO MAKE SUCH ROLLER INK-REPELLENT AND THEREBY ASSIST IN THE CLEANING THEREOF.
Claim 4
Independent Claim
81 words
THE METHOD OF USING AN INKING ROLLER COMPRISING THE STEPS OF APPLYING TO THE SURFACE OF THE PRINTING ROLLER AN AMINO-POLYMERIC ION-EXCHANGE OLEOPHILIC RESIN, THEN APPLYING INK TO SUCH OLEOPHILIC RESIN, AND SUBSEQUENTLY CLEANING THE SURFACE OF SUCH ROLLER BY APPLYING TO SUCH SURFACE AN ACID SELECTED FROM THE GROUP CONSISTING OF A MINERAL ACID AND A STRONG ORGANIC ACID TO REVERSE THE POLARITY OF SUCH ION-EXCHANGE OLEOPHILIC RESIN TO MAKE SUCH ROLLER INK-REPELLENT AND THEREBY ASSIST IN THE CLEANING THEREOF.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-31 | 1972-07-01 | 1972-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-31 | 1976-07-01 | 1976-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-31 | 1980-07-01 | 1980-12-31 | $7700.00 | Window Closed / Lapsed |