US3046304A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coupling of halogenated organic compounds
Assignee: Individual
•
Filing: 1957-08-29
•
Granted: 1962-07-24
•
Expires: 1977-08-29
Abstract
No abstract record available.
Inventors
- 👤 Haszeldine Robert Neville
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 17:57
CPC Classifications
C; C07; C07C; C07C21/00; C07C21/02; C07C21/215; C07C17/00; C07C17/013; C07C17/04; C07C17/23; C07C17/25; C07C17/26; C07C17/263; C07C17/269; C07C17/272; C07C17/278; C07C19/00; C07C19/08; C07C19/10; C07C19/12; C07C19/14; C07C19/16; C07C21/18; C07C21/19; C07C21/20; C07C51/00; C07C51/16
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
9 words
A METHOD FOR MAKING COMPOUNDS HAVING THE GENERAL FORMULA
Claim 2
Independent Claim
9 words
A METHOD FOR MAKING COMPOUNDS HAVING THE GENERAL FORMULA
Claim 3
Independent Claim
12 words
A METHOD OF MAKING A SULPHONIC ACID COMPOUND OF THE GENERAL FORMULA
Claim 4
Independent Claim
12 words
A METHOD OF MAKING A SULPHONIC ACID COMPOUND OF THE GENERAL FORMULA
References Cited (Backward Citations)
US2181890A
Cited
US2174506A
Cited
US2392316A
Cited
US2404374A
Cited
US2407246A
Cited
US2450858A
Cited
US2490764A
Cited
US2432997A
Cited
US2554857A
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US2504034A
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US2670387A
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US2649477A
Cited
US2668182A
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US2716141A
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US2771487A
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US2676193A
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US2732398A
Cited
US2784221A
Cited
US2705229A
Cited
US2852565A
Cited
US2833831A
Cited
US2824891A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-23 | 1966-01-22 | 1966-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-23 | 1970-01-22 | 1970-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-23 | 1974-01-22 | 1974-07-24 | $7700.00 | Window Closed / Lapsed |