Patent US4276416A successfully refreshed from Google Patents.
US4276416A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Quaternaries of tertiary amino-substituted thiazines
Assignee: Baker Hughes Holdings LLC
•
Filing: 1976-08-12
•
Granted: 1981-06-30
•
Expires: 1996-08-12
Abstract
Abstract This invention relates to quaternaries of tertiary amino-substituted thiazines; the process of preparing such quaternary thiazines; and uses thereof, for example, as corrosion inhibitors, microbiocides, etc.
Inventors
- 👤 Patrick M. Quinlan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 15:15
CPC Classifications
C; C07; C07D; C07D295/00; C07D295/02; A; A01; A01N; A01N43/00; A01N43/72; A01N43/84; C07D295/04; C07D295/12; C07D295/125; C07D295/13; C23; C23F; C23F11/00; C23F11/08; C23F11/10; C23F11/16
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
70 words
A quaternary of a tertiary amino-substituted thiazine having the formula selected from the group consisting of ##STR40## where Z is SO or SO 2 , A is alkylene having 2 to 10 carbon atoms, R' is alkyl or hydroxyalkyl, R" is alkyl, alkenyl or alkynyl, N N represents a cyclic diamine group and X is an anion selected from the group consisting of chloride, iodide, bromide, sulfate, sulfonate and carboxylate.
Claim 2
Dependent Claim
70 words
A quaternary of a tertiary amino-substituted thiazine having the formula selected from the group consisting of ##STR40## where Z is SO or SO 2 , A is alkylene having 2 to 10 carbon atoms, R' is alkyl or hydroxyalkyl, R" is alkyl, alkenyl or alkynyl, N N represents a cyclic diamine group and X is an anion selected from the group consisting of chloride, iodide, bromide, sulfate, sulfonate and carboxylate.
Claim 3
Dependent Claim
55 words
The quaternary of claim 1 having the formula ##STR41## where Z is SO or SO 2 , A is alkylene having 2 to 10 carbon atoms, R' is alkyl or hydroxyalkyl, R" is alkyl, alkenyl or alkynyl and X is an anion selected from the group consisting of chloride, bromide, iodide, sulfate, sulfonate and carboxylate.
Claim 4
Dependent Claim
55 words
The quaternary of claim 1 having the formula ##STR42## where Z is SO or SO 2 , A is alkylene having 1 to 10 carbon atoms, R' is alkyl or hydroxyalkyl, R" is alkyl, alkenyl or alkynyl and X is an anion selected from the group consisting of chloride, bromide, iodide, sulfate, sulfonate and carboxylate.
Claim 5
Dependent Claim
50 words
The quaternary of claim 1 having the formula ##STR43## where Z is SO or SO 2 , A is alkylene having 1 to 10 carbon atoms, R" is alkyl, alkenyl or alkynyl and X is an anion selected from the group consisting of chloride, bromide, iodide, sulfate, sulfonate and carboxylate.
Claim 6
Dependent Claim
9 words
The quaternary of claim 2 having the formula ##STR44##
Claim 7
Dependent Claim
9 words
The quaternary of claim 1 having the formula ##STR45##
Claim 8
Dependent Claim
9 words
The quaternary of claim 3 having the formula ##STR46##
Claim 9
Dependent Claim
9 words
The quaternary of claim 4 having the formula ##STR47##
References Cited (Backward Citations)
US2752343A
Cited
US2675381A
Cited
US3055939A
Cited
US3017416A
Cited
US3409626A
Cited
US3828036A
Cited
US4009201A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1984-06-29 | 1984-12-29 | 1985-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-06-29 | 1988-12-29 | 1989-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-06-29 | 1992-12-29 | 1993-06-30 | $7700.00 | Window Closed / Lapsed |