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US3697535A
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4,5-dihydroimidazoline-3-oxide-1-oxyl
Assignee: Synvar Associates
•
Filing: 1969-12-15
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Granted: 1972-10-10
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Expires: 1989-12-15
Abstract
Abstract 4,5-DIHYDROIMIDAZOLINE-3-OXIDE-1-OXYL-2-YL MERCURIC COMPOUNDS HAVING TERTIARY CARBON ATOMS IN THE NUMBER 4 AND 5 POSITIONS OF THE IMIDAZOLINE RING. Typical is 4,4,5,5-tetramethylimidazoline3-oxide-1-oxyl-2-yl mercuric chloride.
Inventors
- 👤 Richard K Leute
- 👤 Edwin F Ullman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:19
CPC Classifications
G; G01; G01N; G01N33/00; G01N33/48; G01N33/50; G01N33/58; C; C07; C07F; C07F9/00; C07F9/02; C07F9/547; C07F9/645; C07F9/6503; C07F9/6506; Y; Y10; Y10T; Y10T436/00; Y10T436/24
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
10 words
Imidazoline in accordance with claim 1 wherein X is acyloxy.
Claim 2
Dependent Claim
12 words
Imidazoline in accordance with claim 2 wherein said acyloxy group is acetoxy.
Claim 3
Dependent Claim
11 words
Imidazoline in accordance with claim 1 wherein X is a halogen.
Claim 4
Dependent Claim
17 words
Imidazoline in accordance with claim 1 wherein R1, R2, R3 and R4 are each a methyl group.
Claim 5
Dependent Claim
10 words
Imidazoline in accordance with claim 5 wherein X is acetoxy.
Claim 6
Dependent Claim
10 words
Imidazoline in accordance with claim 5 wherein X is chlorine.
Claim 7
Dependent Claim
10 words
Imidazoline in accordance with claim 5 wherein X is iodine.
Claim 8
Dependent Claim
10 words
Imidazoline in accordance with claim 5 wherein X is 4,4,5,5-tetramethylimidazoline-3-oxide-1-oxyl-2-yl.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-10-10 | 1976-04-10 | 1976-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-10-10 | 1980-04-10 | 1980-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-10-10 | 1984-04-10 | 1984-10-10 | $7700.00 | Window Closed / Lapsed |