Patent US2958711A successfully refreshed from Google Patents.
US2958711A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilization of chlorinated hydrocarbons with carboxylic acid esters of acetylenic alcohols
Assignee: Diamond Shamrock Corp
•
Filing: 1954-07-26
•
Granted: 1960-11-01
•
Expires: 1974-07-26
Abstract
No abstract record available.
Inventors
- 👤 Maxwell J Skeeters
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:40
CPC Classifications
C; C07; C07C; C07C17/00; C07C17/38; C07C17/42
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
24 words
A COMPOSITION OF MATTER COMPRISING A LOWER MOLECULAR WEIGHT CHLORINATED HYDROCARBON AND A STABILIZING AMOUNT OF A CARBOXYLIC ACID ESTER OF AN ACETYLENIC ALCOHOL.
Claim 2
Dependent Claim
24 words
A COMPOSITION OF MATTER COMPRISING A LOWER MOLECULAR WEIGHT CHLORINATED HYDROCARBON AND A STABILIZING AMOUNT OF A CARBOXYLIC ACID ESTER OF AN ACETYLENIC ALCOHOL.
Claim 3
Dependent Claim
16 words
A COMPOSITION OF MATTER AS CLAIMED IN CLAIM 1 WHICH INCLUDES ISOEUGENOL AS A LIGHT STABILIZER.
References Cited (Backward Citations)
US1097145A
Cited
US2612489A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-01 | 1964-05-02 | 1964-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-01 | 1968-05-02 | 1968-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-01 | 1972-05-02 | 1972-11-01 | $7700.00 | Window Closed / Lapsed |