US3199991A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Black news ink and process for its manufacture
Assignee: California Ink Co Inc
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Filing: 1961-12-04
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Granted: 1965-08-10
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Expires: 1981-12-04
Abstract
No abstract record available.
Inventors
- 👤 William T Schelling
- 👤 William C Parle
- 👤 Donald H Cook
- 👤 Archibald M Erskine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 01:03
CPC Classifications
C; C09; C09D; C09D11/00; C09D11/02; C09D11/12
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
87 words
THE METHOD OF PREPARING A WATER-IN-OIL EMULSION INK WHICH COMPRISES COLLOIDALLY DISPERSING CARBON BLACK IN WATER IN THE PRESENCE OF A TANNIN DISPERSING AGENT; AND EMULSIFYING WITH EXTREME HYDRAULIC TURBULENCE SAID DISPERSION OF CARBON BLACK IN WATER WITH AN OIL-ADDITIVE MIXTURE COMPRISING MINERAL OIL, AND OIL SOLUBLE EMULSIFYING AGENT, AN OIL SOLUBLE AMINE TRANSFER AGENT TO ASSIST TRANSFER OF THE CARBON BLACK FROM THE WATER TO SAID OIL-ADDITIVE MIXTURE, AND AN ASPHALT STABLIZING AGENT THEREBY TRANSFERRING THE CARBON BLACK FROM THE WATER PHASE INTO THE OIL PHASE.
Claim 2
Independent Claim
87 words
THE METHOD OF PREPARING A WATER-IN-OIL EMULSION INK WHICH COMPRISES COLLOIDALLY DISPERSING CARBON BLACK IN WATER IN THE PRESENCE OF A TANNIN DISPERSING AGENT; AND EMULSIFYING WITH EXTREME HYDRAULIC TURBULENCE SAID DISPERSION OF CARBON BLACK IN WATER WITH AN OIL-ADDITIVE MIXTURE COMPRISING MINERAL OIL, AND OIL SOLUBLE EMULSIFYING AGENT, AN OIL SOLUBLE AMINE TRANSFER AGENT TO ASSIST TRANSFER OF THE CARBON BLACK FROM THE WATER TO SAID OIL-ADDITIVE MIXTURE, AND AN ASPHALT STABLIZING AGENT THEREBY TRANSFERRING THE CARBON BLACK FROM THE WATER PHASE INTO THE OIL PHASE.
Claim 3
Dependent Claim
121 words
A WATER-IN-OIL EMULSION INK WHICH CONSISTS ESSENTIALLY OF A DISPERSED PHASE OF SUBSTANTIALLY CARBON-FREE WATER GLOBULES; AND A CONTINUOUS OIL PHASE; SAID OIL PHASE CONTAINING MINERAL OIL; AN OIL SOLUBLE WATER-IN-OIL EMULSIFYING AGENT HAVING A STRAIGHT CARBON CHAIN OF FROM ABOUT 8 TO 18 CARBON ATOMS SELECTED FROM THE GROUP CONSISTING OF CARBOXYLIC, SULFONIC, AND PHOSPHORIC ACID SALTS, CARBOXYLIC, SULFONIC, AND PHOSPHORIC ACID ESTERS, AND MIXTURES OF SAID SALTS AND ESTERS; AN OIL SOLUBLE AMINE TRANSFER AGENT SELECTED FROM THE GROUP CONSISTING OF AMINES FROM PINE RESIN ACIDS, LONG CHAIN AMINES CONTAINING AN ALKYL GROUP HAVING FROM 8 TO 18 CARBON ATOMS, AND MIXTURES OF SAID AMINES; AN OIL SOLUBLE ASPHALT STABLILIZING AGENT; AND CARBON BLACK DISPERSED IN SAID OIL PHASE.
Claim 4
Dependent Claim
121 words
A WATER-IN-OIL EMULSION INK WHICH CONSISTS ESSENTIALLY OF A DISPERSED PHASE OF SUBSTANTIALLY CARBON-FREE WATER GLOBULES; AND A CONTINUOUS OIL PHASE; SAID OIL PHASE CONTAINING MINERAL OIL; AN OIL SOLUBLE WATER-IN-OIL EMULSIFYING AGENT HAVING A STRAIGHT CARBON CHAIN OF FROM ABOUT 8 TO 18 CARBON ATOMS SELECTED FROM THE GROUP CONSISTING OF CARBOXYLIC, SULFONIC, AND PHOSPHORIC ACID SALTS, CARBOXYLIC, SULFONIC, AND PHOSPHORIC ACID ESTERS, AND MIXTURES OF SAID SALTS AND ESTERS; AN OIL SOLUBLE AMINE TRANSFER AGENT SELECTED FROM THE GROUP CONSISTING OF AMINES FROM PINE RESIN ACIDS, LONG CHAIN AMINES CONTAINING AN ALKYL GROUP HAVING FROM 8 TO 18 CARBON ATOMS, AND MIXTURES OF SAID AMINES; AN OIL SOLUBLE ASPHALT STABLILIZING AGENT; AND CARBON BLACK DISPERSED IN SAID OIL PHASE.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-09 | 1969-02-08 | 1969-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-09 | 1973-02-08 | 1973-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-09 | 1977-02-08 | 1977-08-10 | $7700.00 | Window Closed / Lapsed |