Patent US235518A successfully refreshed from Google Patents.
Patent US3000980A successfully refreshed from Google Patents.
US3000980A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of alkyl bromides
Assignee: Dow Chemical Co
•
Filing: 1958-04-07
•
Granted: 1961-09-19
•
Expires: 1978-04-07
Abstract
No abstract record available.
Inventors
- 👤 Arthur A Asadorian
- 👤 George A Burk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:56
CPC Classifications
C; C07; C07C; C07C17/00; C07C17/093; C07C17/10; C07C17/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
63 words
A PROCESS FOR PREPARING BROMINE-CONTAINING COMPOUNDS WHICH COMPRISES CONTACTING AN ORGANIC COMPOUND SELECTED FROM THE GROUP CONSISTING OF AROMATIC, HALOGENATED AROMATIC, PARAFFINIC AND HALOGENATED PARAFFINIC HYDROCARBONS AND HAVING A REPLACEABLE CARBON BOUND H ATOM IN THE MOLECULE, WHICH COMPOUND MAY ALSO CONTAIN HALOGEN ATOMS, WITH BROMINE AND A SATURATED ALIPHATIC HALOHYDROCARBON CONTAINING AT LEAST ONE CHLORINE ATOM IN THE PRESENCE OF FERRIC CHLORIDE.
Claim 2
Dependent Claim
63 words
A PROCESS FOR PREPARING BROMINE-CONTAINING COMPOUNDS WHICH COMPRISES CONTACTING AN ORGANIC COMPOUND SELECTED FROM THE GROUP CONSISTING OF AROMATIC, HALOGENATED AROMATIC, PARAFFINIC AND HALOGENATED PARAFFINIC HYDROCARBONS AND HAVING A REPLACEABLE CARBON BOUND H ATOM IN THE MOLECULE, WHICH COMPOUND MAY ALSO CONTAIN HALOGEN ATOMS, WITH BROMINE AND A SATURATED ALIPHATIC HALOHYDROCARBON CONTAINING AT LEAST ONE CHLORINE ATOM IN THE PRESENCE OF FERRIC CHLORIDE.
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) | 1964-09-18 | 1965-03-20 | 1965-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-18 | 1969-03-20 | 1969-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-18 | 1973-03-20 | 1973-09-19 | $7700.00 | Window Closed / Lapsed |