US3904696A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Halogenated hydroxy-diphenyl ethers
Assignee: Novartis Corp
•
Filing: 1972-12-29
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Granted: 1975-09-09
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Expires: 1992-12-29
Abstract
Abstract Halogen-2-hydroxy-diphenyl ethers are useful in bactericidal compositions and method in the protection of organic materials. Illustrative compounds are 2'',4,4'',5-tetrachloro-2hydroxydiphenyl ether, 4,4'',5-trichloro-2-hydroxydiphenyl ether, 2'',4,4''-trichloro-5-bromo-2-hydroxydiphenyl ether and 4,4''dichloro-5-bromo-2-hydroxyphenyl ether.
Inventors
- 👤 Ernst Model
- 👤 Jakob Bindler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 08:55
CPC Classifications
A; A01; A01N; A01N31/00; A01N31/08; A01N31/16; D; D06; D06M; D06M16/00
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
15 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF 2'',4,4'',5-TETRACHLORO-2-HYDROXY- DIPHENYLETHER, 4,4H,5-TRICHLORO-2-HYDROXY-DIPHENYLETHER, 2'',4,4''-TRICHLORO-5-BROMO-2HYDROXY-DIPHENYLETHER, 4,4''-DICHLORO-5-BROMO-2-HYDROXYDIPHENYLETHER, 4,4'',5-TRICHLORO-3''-TRIFLUOROMETHYL-2-HYDROXYDIPHENYLETHER, 4,4'',5-DICHLORO-2-HYDROXY-DIPHENYLETHER.
Claim 2
Dependent Claim
15 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF 2'',4,4'',5-TETRACHLORO-2-HYDROXY- DIPHENYLETHER, 4,4H,5-TRICHLORO-2-HYDROXY-DIPHENYLETHER, 2'',4,4''-TRICHLORO-5-BROMO-2HYDROXY-DIPHENYLETHER, 4,4''-DICHLORO-5-BROMO-2-HYDROXYDIPHENYLETHER, 4,4'',5-TRICHLORO-3''-TRIFLUOROMETHYL-2-HYDROXYDIPHENYLETHER, 4,4'',5-DICHLORO-2-HYDROXY-DIPHENYLETHER.
Claim 3
Dependent Claim
9 words
The compound according to claim 1 which is 2'',4,4'',5-tetrachloro-2-hydroxy-diphenylether.
Claim 4
Dependent Claim
9 words
The compound according to claim 1 which is 4,4'',5-trichloro-2-yhdroxy-diphenylether.
Claim 5
Dependent Claim
9 words
The compound according to claim 1 which is 2'',4,4''-trichloro-5-bromo-2-yhdroxy-diphenylether.
Claim 6
Dependent Claim
9 words
The compound according to claim 1 which is 4,4''-dichloro-5-bromo-2-hydroxy-diphenylether.
Claim 7
Dependent Claim
8 words
The compound to claim 1 which is 4,4'',5-trichloro-3''-trifluoromethyl-2-hydroxy-diphenylether.
Claim 8
Dependent Claim
10 words
The compound according to claim 1 which is 4'',5-dichloro-2-hydroxydiphenyl ethers.
References Cited (Backward Citations)
US3506720A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-09-08 | 1979-03-10 | 1979-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-09-08 | 1983-03-10 | 1983-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-09-08 | 1987-03-10 | 1987-09-09 | $7700.00 | Window Closed / Lapsed |