US3065161A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the manufacture of chlorosuccinic acid dichlorides
Assignee: Hoechst AG
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Filing: 1960-03-01
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Granted: 1962-11-20
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Expires: 1980-03-01
Abstract
No abstract record available.
Inventors
- 👤 Protzer Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:54
CPC Classifications
C; C08; C08G; C08G63/00; C08G63/68; C08G63/682; C08G63/6824
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
43 words
THE PROCESS FOR THE MANUFACTURE OF CHLOROSUCCINIC ACID DICHLORIDES WITH FOUR TO SIX CHLORINE ATOMS, WHICH CONSISTS ESSENTIALLY OF CONTACTING A MEMBER SELECTED FROM THE GROUP CONSISTING OF ACETYLCHLORIDE, MONOCHLOROACETYL CHLORIDE, DICHLOROACETYL CHLORIDE AND MIXTURES THEREOF WITH CHLORINE UNDER IRRADIATION WITH ACTINIC LIGHT.
Claim 2
Dependent Claim
43 words
THE PROCESS FOR THE MANUFACTURE OF CHLOROSUCCINIC ACID DICHLORIDES WITH FOUR TO SIX CHLORINE ATOMS, WHICH CONSISTS ESSENTIALLY OF CONTACTING A MEMBER SELECTED FROM THE GROUP CONSISTING OF ACETYLCHLORIDE, MONOCHLOROACETYL CHLORIDE, DICHLOROACETYL CHLORIDE AND MIXTURES THEREOF WITH CHLORINE UNDER IRRADIATION WITH ACTINIC LIGHT.
References Cited (Backward Citations)
US1993713A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-11-19 | 1966-05-21 | 1966-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-19 | 1970-05-21 | 1970-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-19 | 1974-05-21 | 1974-11-20 | $7700.00 | Window Closed / Lapsed |