US2989492A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coating composition comprising nitrocellulose, polymer of methyl methacrylate and carbon black
Assignee: EIDP Inc
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Filing: 1959-03-17
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Granted: 1961-06-20
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Expires: 1979-03-17
Abstract
No abstract record available.
Inventors
- 👤 James J Sanderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:52
CPC Classifications
C; C09; C09D; C09D101/00; C09D101/08; C09D101/16; C09D101/18; C09D133/00; C09D133/04; C09D133/06; C09D133/10; C09D133/12; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31551; Y10T428/31634; Y10T428/31645; Y10T428/31649; Y10T428/31678; Y10T428/31703
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
A COATING COMPOSITIONHICH COMPRISES CARBON BLACK, SOLVENT AND, AS THE SOLE POLYMERIC CONSTITUENT, 100 PARTS BY WEIGHT OF POLYMER CONSISTING OF (A) ABOUT FROM 50 TO 70 PARTS BY WEIGHT OF LACQUER-GRADE NITROCELLULOSE AND (B) ABOUT FROM 30 TO 50 PARTS BY WEIGHT OF AT LEAST ONE COPOLYMER HAVING A RELATIVE VISCOSITY OF ABOUT FROM 1.117 TO 1.196 OF ABOUT FROM 30 TO 50 PARTS BY WEIGHT OF METHYL METHACRYLATE AND ABOUT FROM 70 TO 50 PARTS BY WEIGHT OF AT LEAST ONE ESTER OF METHACRYLIC ACID WITH A 2 TO 8 CARBON ATOM ALCOHOL SELECTED FROM THE GROUP CONSISTING OF ALKANOLS, CYCLOHEXYL ALCOHOL AND BENZYL ALCOHOL.
Claim 2
Dependent Claim
107 words
A COATING COMPOSITIONHICH COMPRISES CARBON BLACK, SOLVENT AND, AS THE SOLE POLYMERIC CONSTITUENT, 100 PARTS BY WEIGHT OF POLYMER CONSISTING OF (A) ABOUT FROM 50 TO 70 PARTS BY WEIGHT OF LACQUER-GRADE NITROCELLULOSE AND (B) ABOUT FROM 30 TO 50 PARTS BY WEIGHT OF AT LEAST ONE COPOLYMER HAVING A RELATIVE VISCOSITY OF ABOUT FROM 1.117 TO 1.196 OF ABOUT FROM 30 TO 50 PARTS BY WEIGHT OF METHYL METHACRYLATE AND ABOUT FROM 70 TO 50 PARTS BY WEIGHT OF AT LEAST ONE ESTER OF METHACRYLIC ACID WITH A 2 TO 8 CARBON ATOM ALCOHOL SELECTED FROM THE GROUP CONSISTING OF ALKANOLS, CYCLOHEXYL ALCOHOL AND BENZYL ALCOHOL.
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) | 1964-06-19 | 1964-12-19 | 1965-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-19 | 1968-12-19 | 1969-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-19 | 1972-12-19 | 1973-06-20 | $7700.00 | Window Closed / Lapsed |