Patent US3015569A successfully refreshed from Google Patents.
US3015569A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Treatment of pigments
Assignee: Interchemical Corp
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Filing: 1958-11-26
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Granted: 1962-01-02
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Expires: 1978-11-26
Abstract
No abstract record available.
Inventors
- 👤 Rudolf G Frieser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:49
CPC Classifications
C; C09; C09B; C09B67/00; C09B67/0001; C09B67/006
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
88 words
A METHOD OF TREATING A PIGMENT TAKEN FROM THE GROUP OF PIGMENTS CONSISTING OF THE ALKALINE EARTH METAL DERIVATIVES OF HYDROXYATED, SULFONATED, AZO NAHTHALENES IN ORDER TO LOWER THE YIELD VALUE AND DECREASE THE THIXOTROPY OF A DISPERSION OF THE PIGMENT IN A VOLATILE ORGANIC SOLVENT SOLUTION OF NITROCELLULOSE AND ALCOHOL SOLUBLE RESINS INCLUDING THE STEPS OF (1) PREPARING AN AQUEOUS SLURRY OF THE PIGMENT, AND (2) ADDING 2 TO 5 PARTS OF PIGMENT TO THE PROPYL ALKOXY SILANE PER 100 PARTS OF PIGMENT TO THE AQUEOUS SLURRY.
Claim 2
Independent Claim
88 words
A METHOD OF TREATING A PIGMENT TAKEN FROM THE GROUP OF PIGMENTS CONSISTING OF THE ALKALINE EARTH METAL DERIVATIVES OF HYDROXYATED, SULFONATED, AZO NAHTHALENES IN ORDER TO LOWER THE YIELD VALUE AND DECREASE THE THIXOTROPY OF A DISPERSION OF THE PIGMENT IN A VOLATILE ORGANIC SOLVENT SOLUTION OF NITROCELLULOSE AND ALCOHOL SOLUBLE RESINS INCLUDING THE STEPS OF (1) PREPARING AN AQUEOUS SLURRY OF THE PIGMENT, AND (2) ADDING 2 TO 5 PARTS OF PIGMENT TO THE PROPYL ALKOXY SILANE PER 100 PARTS OF PIGMENT TO THE AQUEOUS SLURRY.
Claim 3
Dependent Claim
77 words
PRINTING INKS THAT ARE FLUID AND THIN IN BODY AND COMPRISING A DISPERSION OF A FINELY GROUND TREATED PIGMENT IN A VOLATILE ORGANIC SOLVENT SOLUTION OF NITROCELLULOSE AND ALCOHOL SOLUBLE RESINS, WHERE SAID FINELY GROUND TREATED PIGMENT IS A PIGMENT TAKEN FROM THE GROUP CONSISTING OF ALKALINE EARTH METAL DERIVATIVES OF HYDROXYLATED, SULFONATED, AZO NAPHTHALENES WHICH HAS BEEN TREATED IN AQUEOUS SLURRY WITH 2 TO 5 PARTS OF AN AMINOPROPYL ALKOXY SILANE PER 100 PARTS OF PIGMENT.
Claim 4
Dependent Claim
77 words
PRINTING INKS THAT ARE FLUID AND THIN IN BODY AND COMPRISING A DISPERSION OF A FINELY GROUND TREATED PIGMENT IN A VOLATILE ORGANIC SOLVENT SOLUTION OF NITROCELLULOSE AND ALCOHOL SOLUBLE RESINS, WHERE SAID FINELY GROUND TREATED PIGMENT IS A PIGMENT TAKEN FROM THE GROUP CONSISTING OF ALKALINE EARTH METAL DERIVATIVES OF HYDROXYLATED, SULFONATED, AZO NAPHTHALENES WHICH HAS BEEN TREATED IN AQUEOUS SLURRY WITH 2 TO 5 PARTS OF AN AMINOPROPYL ALKOXY SILANE PER 100 PARTS OF PIGMENT.
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) | 1965-01-01 | 1965-07-03 | 1966-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-01 | 1969-07-03 | 1970-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-01 | 1973-07-03 | 1974-01-02 | $7700.00 | Window Closed / Lapsed |