US3220965A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of new pigment compositions
Assignee: Imperial Chemical Industries Ltd
•
Filing: 1960-12-27
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Granted: 1965-11-30
•
Expires: 1980-12-27
Abstract
No abstract record available.
Inventors
- 👤 Ambler Arnold Edwin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:10
CPC Classifications
C; C09; C09C; C09C3/00; C09C3/10; C09B; C09B67/00; C09B67/006; C09D; C09D17/00; C09D17/001; C01; C01P; C01P2004/00; C01P2004/51
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
A PROCESS FOR THE MANUFACTURE OF PIGMENTED NONAQUEOUS COATING COMPOSITIONS WHICH COMPRISES MIXING AN AQUEOUS PIGMENT DISPERSION WITH A LATEX OF A NORMALLY SOLID SYNETHIC POLYMER WHICH IN THE DRY STATE IS MISCIBLE TO THE EXTENT OF AT LEAST 2% WITH THE MEDIUM OF SAID NONAQEUOUS COATING COMPOSITION, THE PARTICLE SIZE OF THE LATEX BEING BETWEEN 0.01 AND 0.5 MICRON, FLOCCULATING THE SO-FORMED MIXTURE OF PIGMENT DISPERSION AND LATEX, ISOLATING AND DRYING THE FLOCCULATED MIXTURE AND MIXING THE SO-OBTAINED SOLID PRODUCT WITH SAID COATING COMPOSITION MEDIUM BY MEANS OF SIMPLE AGITATION INVOLVING LOW SHEAR.
Claim 2
Dependent Claim
94 words
A PROCESS FOR THE MANUFACTURE OF PIGMENTED NONAQUEOUS COATING COMPOSITIONS WHICH COMPRISES MIXING AN AQUEOUS PIGMENT DISPERSION WITH A LATEX OF A NORMALLY SOLID SYNETHIC POLYMER WHICH IN THE DRY STATE IS MISCIBLE TO THE EXTENT OF AT LEAST 2% WITH THE MEDIUM OF SAID NONAQEUOUS COATING COMPOSITION, THE PARTICLE SIZE OF THE LATEX BEING BETWEEN 0.01 AND 0.5 MICRON, FLOCCULATING THE SO-FORMED MIXTURE OF PIGMENT DISPERSION AND LATEX, ISOLATING AND DRYING THE FLOCCULATED MIXTURE AND MIXING THE SO-OBTAINED SOLID PRODUCT WITH SAID COATING COMPOSITION MEDIUM BY MEANS OF SIMPLE AGITATION INVOLVING LOW SHEAR.
References Cited (Backward Citations)
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Cited
GB660356A
Cited
US2615006A
Cited
US2719133A
Cited
US2857351A
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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) | 1968-11-29 | 1969-05-31 | 1969-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-29 | 1973-05-31 | 1973-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-29 | 1977-05-31 | 1977-11-30 | $7700.00 | Window Closed / Lapsed |