US3070634A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilization of methylchloroform
Assignee: PPG Industries Inc
•
Filing: 1960-03-01
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Granted: 1962-12-25
•
Expires: 1980-03-01
Abstract
No abstract record available.
Inventors
- 👤 Donald E Hardies
- 👤 Blaine O Pray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:28
CPC Classifications
C; C07; C07C; C07C17/00; C07C17/38; C07C17/42
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
7 words
STABLIZIED METHYLCHLOROFORM CONTAINING 2-METHYL-3BUTYN-2-OL, TERTIARY-BUTANOL AND TETRAHYDROFURAN
Claim 2
Dependent Claim
7 words
STABLIZIED METHYLCHLOROFORM CONTAINING 2-METHYL-3BUTYN-2-OL, TERTIARY-BUTANOL AND TETRAHYDROFURAN
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) | 1965-12-24 | 1966-06-25 | 1966-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-24 | 1970-06-25 | 1970-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-24 | 1974-06-25 | 1974-12-25 | $7700.00 | Window Closed / Lapsed |