US3061564A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shellac copolymers and compositions and methods for making them
Assignee: Rohm and Haas Co
•
Filing: 1959-03-18
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Granted: 1962-10-30
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Expires: 1979-03-18
Abstract
No abstract record available.
Inventors
- 👤 Richard E Zdanowski
- 👤 Walter W Toy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 03:36
CPC Classifications
C; C08; C08F; C08F220/00; C08F220/02; C08F220/42; C08F2/00; C08F2/12; C08F2/16; C08F20/00; C08F20/02; C08F20/42; C08F20/44; C08F220/10; C08F220/12; C08F251/00; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31551; Y10T428/31645; Y10T428/31649; Y10T428/31678; Y10T428/31714; Y10T428/31844
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
55 words
A COPOLYMER OF 0.5 TO 90% BY WEIGHT OF SHELLAC AND 10 TO 99.5% BY WEIGHT OF AT LEAST ONE MONOMER SELECTED FROM THE GROUP CONSISTING OF ACRYLONITRILE, METHACRYLONITRILE, AND ESTERS OF AN ALCOHOL SELECTED FROM THE GROUP CONSISTING OF CYCLOHEXANOL AND ALKANOLS HAVING 1 TO 18 CARBON ATOMS WITH AN ACID OF THE FORMULA
Claim 2
Dependent Claim
55 words
A COPOLYMER OF 0.5 TO 90% BY WEIGHT OF SHELLAC AND 10 TO 99.5% BY WEIGHT OF AT LEAST ONE MONOMER SELECTED FROM THE GROUP CONSISTING OF ACRYLONITRILE, METHACRYLONITRILE, AND ESTERS OF AN ALCOHOL SELECTED FROM THE GROUP CONSISTING OF CYCLOHEXANOL AND ALKANOLS HAVING 1 TO 18 CARBON ATOMS WITH AN ACID OF THE FORMULA
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) | 1965-10-29 | 1966-04-30 | 1966-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-29 | 1970-04-30 | 1970-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-29 | 1974-04-30 | 1974-10-30 | $7700.00 | Window Closed / Lapsed |