US3127416A
Expired / Lapsed
US
⏱️ 0.0 years remaining
New chlorinated dicarboxylic acid dichloride and process for its manufacture
Assignee: BASF Schweiz AG
•
Filing: 1961-09-25
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Granted: 1964-03-31
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Expires: 1981-09-25
Abstract
No abstract record available.
Inventors
- 👤 Liechti Peter
- 👤 Siegrist Adolf Emil
- 👤 Maeder Erwin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:48
CPC Classifications
C; C07; C07D; C07D409/00; C07D409/14; C07D333/00; C07D333/02; C07D333/04; C07D333/26; C07D333/38; C07D413/00; C07D413/14
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
21 words
PROCESS FOR THE MANUFACTURE OF A CHLORINATED DICARBOXYLIC ACID DICHLORIDE SELECTED FROM THE GROUP CONSISTING OF THE COMPOUND OF THE FORMULA
Claim 2
Dependent Claim
21 words
PROCESS FOR THE MANUFACTURE OF A CHLORINATED DICARBOXYLIC ACID DICHLORIDE SELECTED FROM THE GROUP CONSISTING OF THE COMPOUND OF THE FORMULA
Claim 3
Dependent Claim
16 words
A CHLORINATED DICARBOXYLIC ACID DICHLORIDE SELECTED FROM THE GROUP CONSISTING OF THE COMPOUND OF THE FORMULA
Claim 4
Dependent Claim
16 words
A CHLORINATED DICARBOXYLIC ACID DICHLORIDE SELECTED FROM THE GROUP CONSISTING OF THE COMPOUND OF THE FORMULA
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-31 | 1967-09-30 | 1968-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-31 | 1971-09-30 | 1972-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-31 | 1975-09-30 | 1976-03-31 | $7700.00 | Window Closed / Lapsed |