US3014939A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Halogenated metal chelates
Assignee: Union Carbide Corp
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Filing: 1960-07-01
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Granted: 1961-12-26
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Expires: 1980-07-01
Abstract
No abstract record available.
Inventors
- 👤 Rudolph W Kluiber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:18
CPC Classifications
C; C09; C09D; C09D5/00; C09D5/26; C07; C07C; C07C45/00; C07C45/77; C07C49/00; C07C49/92
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
THE METHOD FOR PREPARING HALOGEN-CONTAINING ANALOGUES OF METAL CHELATES B-DICARBONYL COMPOUNDS WHICH COMPRISES REACTING IN A SUBSTANTIALLY INERT LIQUID ORGANIC MEDIUM, AN ORGANIC HALOGENATING AGENT CONTAINING A HALOGEN HAVING AN ATOMIC WEIGHT GREATER THAN 20 DIRECTLY ATTACHED TO A NONBASIC NITROGEN ATOM, WHICH A CHELATE COMPOUND OF A POLYVALENT METAL HAVING AT LEAST ONE SIX MEMBERED CONJUGATED B-DICARBONYL CHELATE RING, ONE OF THE CARBON ATOMS OF AT LEAST ONE OF SAID CHELATE RINGS BEING CHEMICALLY BONDED TO TWO ADJACENT RING CARBON ATOMS AND TO A HYDROGEN ATOM, SAID HYDROGEN-CARBON BOND BEING THE SOLE REACTIVE POINT OF SAID METAL CHELATE WITH RESPECT TO THE HALOGENATING AGENT.
Claim 2
Independent Claim
105 words
THE METHOD FOR PREPARING HALOGEN-CONTAINING ANALOGUES OF METAL CHELATES B-DICARBONYL COMPOUNDS WHICH COMPRISES REACTING IN A SUBSTANTIALLY INERT LIQUID ORGANIC MEDIUM, AN ORGANIC HALOGENATING AGENT CONTAINING A HALOGEN HAVING AN ATOMIC WEIGHT GREATER THAN 20 DIRECTLY ATTACHED TO A NONBASIC NITROGEN ATOM, WHICH A CHELATE COMPOUND OF A POLYVALENT METAL HAVING AT LEAST ONE SIX MEMBERED CONJUGATED B-DICARBONYL CHELATE RING, ONE OF THE CARBON ATOMS OF AT LEAST ONE OF SAID CHELATE RINGS BEING CHEMICALLY BONDED TO TWO ADJACENT RING CARBON ATOMS AND TO A HYDROGEN ATOM, SAID HYDROGEN-CARBON BOND BEING THE SOLE REACTIVE POINT OF SAID METAL CHELATE WITH RESPECT TO THE HALOGENATING AGENT.
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) | 1964-12-25 | 1965-06-26 | 1965-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-25 | 1969-06-26 | 1969-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-25 | 1973-06-26 | 1973-12-26 | $7700.00 | Window Closed / Lapsed |