US2809119A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coating composition
Assignee: Hercules Powder Co
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Filing: 1954-06-28
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Granted: 1957-10-08
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Expires: 1974-06-28
Abstract
No abstract record available.
Inventors
- 👤 David K Lesser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:11
CPC Classifications
C; C09; C09D; C09D101/00; C09D101/08; Y; Y10; Y10S; Y10S260/00; Y10S260/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
155 words
AS A NEW COMPOSITION OF MATTER, AN IMPROVED COATING COMPOSITION CONSISTING ESSENTIALLY OF A LACQUER-IN WATER DISPERSION OF VISIBLY DISCRETE COLOSRED LACQUER PARTICLES IN AN AQUEOUS DISPERSING MEDIUM CONTAINING FROM ABOUT 0.1% TO ABOUT 3% BY WEIGHT OF WATER-SOLUBLE LOWER ALKYL CELLULOSE ETHER AS A SUSPENSION STABILIZER, SAID AQUEOUS DISPERSING MEDIUM HAVING A VISCOSITY FROM ABOUT 10CPS. TO ABOUT 5,000 CPS., SAID COLORED LACQUER CONSISTING ESSENTIALLY OF FROM ABOUT 20% TO ABOUT 50% BY WEIGHT OF ORGANOSOLUBLE COATING MATERIAL OTHER THAN NITROCELLULOSE AT LEAST PARTIALLY MISCIBLE WITH NITROCELLULOSE, A SMALL AMOUNT FROM ABOUT 1% TO ABOUT 10% BY WEIGHT. OF NITROCELLULOSE SUFFICIENT TO MATERIALLY INCREASE THE STABILITY OF THE COATING COMPOSISTION, A VOLATILE ORANIC SOLVENT, SAID ORGANOSOLUBLE COATING MATERIAL AND SAID NITROCELLULOSE BEING DISSOLVED IN SAID VOLATILE ORGANIC SOLVENT, THE RATIO OF SAID NITROCELLULOSE TO SAID ORGANOSOLUBLE COATING MATERIAL BEING NOT MORE THAN ABOUT 5 PARTS NITROCELLULOSE TO ABOUT 20 PARTS OF ORGANOSOLUBLE COATING MATERIAL.
Claim 2
Dependent Claim
155 words
AS A NEW COMPOSITION OF MATTER, AN IMPROVED COATING COMPOSITION CONSISTING ESSENTIALLY OF A LACQUER-IN WATER DISPERSION OF VISIBLY DISCRETE COLOSRED LACQUER PARTICLES IN AN AQUEOUS DISPERSING MEDIUM CONTAINING FROM ABOUT 0.1% TO ABOUT 3% BY WEIGHT OF WATER-SOLUBLE LOWER ALKYL CELLULOSE ETHER AS A SUSPENSION STABILIZER, SAID AQUEOUS DISPERSING MEDIUM HAVING A VISCOSITY FROM ABOUT 10CPS. TO ABOUT 5,000 CPS., SAID COLORED LACQUER CONSISTING ESSENTIALLY OF FROM ABOUT 20% TO ABOUT 50% BY WEIGHT OF ORGANOSOLUBLE COATING MATERIAL OTHER THAN NITROCELLULOSE AT LEAST PARTIALLY MISCIBLE WITH NITROCELLULOSE, A SMALL AMOUNT FROM ABOUT 1% TO ABOUT 10% BY WEIGHT. OF NITROCELLULOSE SUFFICIENT TO MATERIALLY INCREASE THE STABILITY OF THE COATING COMPOSISTION, A VOLATILE ORANIC SOLVENT, SAID ORGANOSOLUBLE COATING MATERIAL AND SAID NITROCELLULOSE BEING DISSOLVED IN SAID VOLATILE ORGANIC SOLVENT, THE RATIO OF SAID NITROCELLULOSE TO SAID ORGANOSOLUBLE COATING MATERIAL BEING NOT MORE THAN ABOUT 5 PARTS NITROCELLULOSE TO ABOUT 20 PARTS OF ORGANOSOLUBLE COATING MATERIAL.
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) | 1960-10-07 | 1961-04-08 | 1961-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-10-07 | 1965-04-08 | 1965-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-10-07 | 1969-04-08 | 1969-10-08 | $7700.00 | Window Closed / Lapsed |