US2883300A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aqueous coating composition of coal acids, starch and a plasticizer and a base coated therewith
Assignee: Dow Chemical Co
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Filing: 1957-04-12
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Granted: 1959-04-21
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Expires: 1977-04-12
Abstract
No abstract record available.
Inventors
- 👤 Herbert B Rickert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:03
CPC Classifications
C; C09; C09D; C09D103/00; D; D06; D06M; D06M11/00; D06M11/73; D06M11/74; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31551; Y10T428/31634
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
AN AQUEOUS COATING COMPOSITION THE FILM FORMING BINDER OF WHICH CONSISTS OF A MIXTURE OF COAL ACIDS AND A STARCH, THE COAL ACIDS CONTENT RANGING BETWEEN 10 AND 90 PERCENT BY WEIGHT OF THE BINDER SOLIDS AND THE STARCH CONTENT RANGING BETWEEN 90 AND 10 PERCENT OF THE BINDER SOLIDS, SAID BINDER SOLIDS BEING PLASTICIZED WITH BETWEEN 10 AND 50 PERCENT OF THEIR WEIGHT WITH A PLASTICIZER WHICH IS A WATER-SOLUBLE LIQUID POLYHYDRIC COMPOUND OF THE GROUP CONSISTING OF POLYHYDRIC ALCHOLS AND POLYALKYLENE GLYCOLS AND HAVING WATER IN AMOUNT SUFFICIENT TO GIVE A DESIRED CONSISTENCY, THE STARCH BEING IN GELATINIZED FOR
Claim 2
Dependent Claim
101 words
AN AQUEOUS COATING COMPOSITION THE FILM FORMING BINDER OF WHICH CONSISTS OF A MIXTURE OF COAL ACIDS AND A STARCH, THE COAL ACIDS CONTENT RANGING BETWEEN 10 AND 90 PERCENT BY WEIGHT OF THE BINDER SOLIDS AND THE STARCH CONTENT RANGING BETWEEN 90 AND 10 PERCENT OF THE BINDER SOLIDS, SAID BINDER SOLIDS BEING PLASTICIZED WITH BETWEEN 10 AND 50 PERCENT OF THEIR WEIGHT WITH A PLASTICIZER WHICH IS A WATER-SOLUBLE LIQUID POLYHYDRIC COMPOUND OF THE GROUP CONSISTING OF POLYHYDRIC ALCHOLS AND POLYALKYLENE GLYCOLS AND HAVING WATER IN AMOUNT SUFFICIENT TO GIVE A DESIRED CONSISTENCY, THE STARCH BEING IN GELATINIZED FOR
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) | 1962-04-20 | 1962-10-20 | 1963-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-20 | 1966-10-20 | 1967-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-20 | 1970-10-20 | 1971-04-21 | $7700.00 | Window Closed / Lapsed |