US3160653A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing benzene ring-halogenated aromatic hydrocarbons
Assignee: Bergwerksverband GmbH
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Filing: 1960-08-18
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Granted: 1964-12-08
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Expires: 1980-08-18
Abstract
No abstract record available.
Inventors
- 👤 Benning Anton
- 👤 Handrick Kurt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:31
CPC Classifications
C; C07; C07C; C07C17/00; C07C17/093; C07C17/10; C07C17/12; C07B; C07B39/00; C07C29/00; C07C29/62; C07C51/00; C07C51/347; C07C51/363
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
130 words
METHOD OF CHLORINATING THE BENZENE RING OF AN AROMATIC COMPOUND, WHICH COMPRISES REACTING AN AROMATIC COMPOUND SELECTED FROM THE GROUP CONSISTING OF MONOLOWERALKYL BENZOIC ACID, DI-LOWERALKYL BENZOIC ACID, TRILOWERALKYL PHTHALIC ACID, CHLORO-LOWERALKYL TOUENE, TETRALOWERALKYL BENZENE, NAPHTHOIC ACID, LOWERALKYL NAPHTHOIC ACID, LOWERALKYL NAPHTHALENE DICARBOXYLIC ACID, LOWERALKYL-ACETOPHENONE, MONO-LOWERALKYL BENZOIC ACID-LOWERALKYL ESTER, LOWERALKYL BENZYL ALCOHOL, TOLUNITRILE, PHENYLBENZOIC ACID AND CHLOROBENZOIC ACID WITH A REACTION MIXTURE CONSISTING ESSENTIALLY OF NITRIC ACID OF ABOUT 10-40% CONCENTRATIN IN AN AMOUNT OF AT LEAST ONE MOL OF NITRIC ACID PER EACH MOL OF SAID AROMATIC COMPOUND AND AN INORGANIC COMPOUND SELECTED FROM THE GROUP CONSISTING OF HYDROCHLORIC ACID, ALKALI METAL CHLORIDE, AND ALKALINE EARTH CHLORIDE AT A TEMPERATURE OF ABOUT 90-120*C., THEREBY INTRODUCIG THE CHLORINE OF SAID INORGANIC COMPOUND INTO THE BENZENE RING OF SAID AROMATIC COMPOUND.
Claim 2
Dependent Claim
130 words
METHOD OF CHLORINATING THE BENZENE RING OF AN AROMATIC COMPOUND, WHICH COMPRISES REACTING AN AROMATIC COMPOUND SELECTED FROM THE GROUP CONSISTING OF MONOLOWERALKYL BENZOIC ACID, DI-LOWERALKYL BENZOIC ACID, TRILOWERALKYL PHTHALIC ACID, CHLORO-LOWERALKYL TOUENE, TETRALOWERALKYL BENZENE, NAPHTHOIC ACID, LOWERALKYL NAPHTHOIC ACID, LOWERALKYL NAPHTHALENE DICARBOXYLIC ACID, LOWERALKYL-ACETOPHENONE, MONO-LOWERALKYL BENZOIC ACID-LOWERALKYL ESTER, LOWERALKYL BENZYL ALCOHOL, TOLUNITRILE, PHENYLBENZOIC ACID AND CHLOROBENZOIC ACID WITH A REACTION MIXTURE CONSISTING ESSENTIALLY OF NITRIC ACID OF ABOUT 10-40% CONCENTRATIN IN AN AMOUNT OF AT LEAST ONE MOL OF NITRIC ACID PER EACH MOL OF SAID AROMATIC COMPOUND AND AN INORGANIC COMPOUND SELECTED FROM THE GROUP CONSISTING OF HYDROCHLORIC ACID, ALKALI METAL CHLORIDE, AND ALKALINE EARTH CHLORIDE AT A TEMPERATURE OF ABOUT 90-120*C., THEREBY INTRODUCIG THE CHLORINE OF SAID INORGANIC COMPOUND INTO THE BENZENE RING OF SAID AROMATIC COMPOUND.
References Cited (Backward Citations)
US2535131A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-12-08 | 1968-06-08 | 1968-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-12-08 | 1972-06-08 | 1972-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-12-08 | 1976-06-08 | 1976-12-08 | $7700.00 | Window Closed / Lapsed |