Patent US2932580A successfully refreshed from Google Patents.
US2932580A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pigment concentrate
Assignee: W P Fuller & Co
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Filing: 1955-08-30
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Granted: 1960-04-12
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Expires: 1975-08-30
Abstract
No abstract record available.
Inventors
- 👤 Carroll F Clark
- 👤 Nancy C Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 05:17
CPC Classifications
C; C09; C09D; C09D17/00; C09D17/002
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
161 words
A PIGMENT CONCENTRATE IN PASTE FORM, CONSISTING ESSENTIALLY OF ABOUT 40% TO 75% BY VOLUME OF A SOLVENT COMPATIBLE WITH PAINT BASES OF OIL AND LATEX TYPE AND HAVING AN EVAPORATION RATE OF BETWEEN 5 AND 500 HOURS, CHOSEN FROM THE GROUP CONSISTING OF DIACETONE ALCOHOL AND THE ALKYL ETHERS AND ACETATES OF THE ETHYLENE AND PROPYLENE GLYCOLS, HAVING BETWEEN 3 AND 14 CARBON ATOMS, ABOUT 10% TO 25% BY VOLUME OF A WETTING AGENT COMBINATION OF ONE PART SOYA LECITHIN TO BETWEEN ONE AND FIFTEEN PARTS OF THE MIXTURE OF (1) ONE PART OF THE HIGH-TEMPERATURE CONDENSATE OF A DIALKANOLAMINE ETHYLENE DIAMINE TETRAACETIC ACID, AND A FATTY ACID WITH AT LEAST 8 CARBON ATOMS AND (2) FIVE TO SEVEN PARTS OF AN ESTER OF POLYETHYLENE GLYCOL AND A FATTY ACID HAVING BETWEEN 12 AND 18 CARBON ATOMS, AND ABOUT 10% TO 40% BY VOLUME OF PIGMENT, SAID PIGMENT CONCENTRATE IN PASTE FROM HAVING A VISCOSITY BETWEEN ABOUT 70-140 KREB UNITS.
Claim 2
Dependent Claim
161 words
A PIGMENT CONCENTRATE IN PASTE FORM, CONSISTING ESSENTIALLY OF ABOUT 40% TO 75% BY VOLUME OF A SOLVENT COMPATIBLE WITH PAINT BASES OF OIL AND LATEX TYPE AND HAVING AN EVAPORATION RATE OF BETWEEN 5 AND 500 HOURS, CHOSEN FROM THE GROUP CONSISTING OF DIACETONE ALCOHOL AND THE ALKYL ETHERS AND ACETATES OF THE ETHYLENE AND PROPYLENE GLYCOLS, HAVING BETWEEN 3 AND 14 CARBON ATOMS, ABOUT 10% TO 25% BY VOLUME OF A WETTING AGENT COMBINATION OF ONE PART SOYA LECITHIN TO BETWEEN ONE AND FIFTEEN PARTS OF THE MIXTURE OF (1) ONE PART OF THE HIGH-TEMPERATURE CONDENSATE OF A DIALKANOLAMINE ETHYLENE DIAMINE TETRAACETIC ACID, AND A FATTY ACID WITH AT LEAST 8 CARBON ATOMS AND (2) FIVE TO SEVEN PARTS OF AN ESTER OF POLYETHYLENE GLYCOL AND A FATTY ACID HAVING BETWEEN 12 AND 18 CARBON ATOMS, AND ABOUT 10% TO 40% BY VOLUME OF PIGMENT, SAID PIGMENT CONCENTRATE IN PASTE FROM HAVING A VISCOSITY BETWEEN ABOUT 70-140 KREB UNITS.
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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) | 1963-04-12 | 1963-10-12 | 1964-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-12 | 1967-10-12 | 1968-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-12 | 1971-10-12 | 1972-04-12 | $7700.00 | Window Closed / Lapsed |