US2802885A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilization of chlorinated hydrocarbons with 3, 3-dimethoxy-2-methyl-butan-2-ol
Assignee: Airco Inc
•
Filing: 1954-08-16
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Granted: 1957-08-13
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Expires: 1974-08-16
Abstract
No abstract record available.
Inventors
- 👤 Jr Gordon E Cole
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 05:16
CPC Classifications
C; C07; C07C; C07C17/00; C07C17/38; C07C17/42
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
31 words
A COMPOSITION OF MATTER COMPRISING A CHLORINATED HYDROCARBON SOLVENT SELECTED FROM THE GROUP CONSISTING OF TRICHLORETHYLENE AND PERCHLORETHYLENE AND BETWEEN ABOUT 0.01 PERCENT TO ABOUT 0.1 PERCENT BY WEIGHT OF 3,3-DIMETHOXY-2-METHYL-BUTAN-2-OL.
Claim 2
Dependent Claim
31 words
A COMPOSITION OF MATTER COMPRISING A CHLORINATED HYDROCARBON SOLVENT SELECTED FROM THE GROUP CONSISTING OF TRICHLORETHYLENE AND PERCHLORETHYLENE AND BETWEEN ABOUT 0.01 PERCENT TO ABOUT 0.1 PERCENT BY WEIGHT OF 3,3-DIMETHOXY-2-METHYL-BUTAN-2-OL.
References Cited (Backward Citations)
US2371645A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-08-12 | 1961-02-11 | 1961-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-08-12 | 1965-02-11 | 1965-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-08-12 | 1969-02-11 | 1969-08-13 | $7700.00 | Window Closed / Lapsed |