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Patent US3117883A successfully refreshed from Google Patents.
US3117883A
Expired / Lapsed
US
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Pigment for aqueous latex emulsion paints
Assignee: Akzo Nobel Paints LLC
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Filing: 1960-09-23
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Granted: 1964-01-14
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Expires: 1980-09-23
Abstract
No abstract record available.
Inventors
- 👤 Allan E Gilchrist
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 15:28
CPC Classifications
C; C09; C09C; C09C1/00; C09C1/0081; C09C1/0084; C09C1/0087; C09D; C09D5/00; C09D5/02; C09D5/024; C09D5/028; C01; C01P; C01P2004/00; C01P2004/10; C01P2004/20; C01P2004/30; C01P2004/32; C01P2004/60; C01P2004/61; C01P2004/62; C01P2004/80; C01P2006/00; C01P2006/22; C01P2006/60; C01P2006/80
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
A PIGMENT MIXTURE HAVING IMPROVED DISPERSIBILITY FOR INCORPORATION INTO AQUEOUS LATEX EMULSION PAINTS, SAID PIGMENT MIXTURE CONSISTING ESSENTIALLY OF PIGMENTARY TITANIA HAVING PARTICLES SIZE BETWEEN ABOUT 0.2 AND 0.4 MICRON AND ABOUT 20-70% OF KAOLINITE CLAY OF AVERAGE PARTICLE SIZE BETWEEN ABOUT 6 AND ABOUT 12 MICRONS, THE PREPONDERANCE OF INDIVIDUAL CLAY PARTICLE SIZE NOT SUBSTANTIALLY LARGER THAN ABOUT 50 MICRONS, THE MAJOR PORTION OF SAID CLAY PARTICLES BEING CHARACTERISTICALLY IN A FORM OF STACKS OF PLATE-LIKE STRUCTURES.
Claim 2
Dependent Claim
78 words
A PIGMENT MIXTURE HAVING IMPROVED DISPERSIBILITY FOR INCORPORATION INTO AQUEOUS LATEX EMULSION PAINTS, SAID PIGMENT MIXTURE CONSISTING ESSENTIALLY OF PIGMENTARY TITANIA HAVING PARTICLES SIZE BETWEEN ABOUT 0.2 AND 0.4 MICRON AND ABOUT 20-70% OF KAOLINITE CLAY OF AVERAGE PARTICLE SIZE BETWEEN ABOUT 6 AND ABOUT 12 MICRONS, THE PREPONDERANCE OF INDIVIDUAL CLAY PARTICLE SIZE NOT SUBSTANTIALLY LARGER THAN ABOUT 50 MICRONS, THE MAJOR PORTION OF SAID CLAY PARTICLES BEING CHARACTERISTICALLY IN A FORM OF STACKS OF PLATE-LIKE STRUCTURES.
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) | 1967-01-13 | 1967-07-15 | 1968-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-13 | 1971-07-15 | 1972-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-13 | 1975-07-15 | 1976-01-14 | $7700.00 | Window Closed / Lapsed |