US3872116A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Amino alcohols
Assignee: Texaco Inc
•
Filing: 1972-06-16
•
Granted: 1975-03-18
•
Expires: 1992-06-16
Abstract
Abstract Compounds of the formulas INCLUDING PARTICULAR DERIVATIVES THEREOF, ARE PROVIDED. The subject compositions have utility in a wide variety of applications and their use as corrosion inhibitors for metals is exemplary.
Inventors
- 👤 Robert M Gipson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:34
CPC Classifications
C; C07; C07D; C07D295/00; C07D295/04; C07D295/08; C07D295/084; C07D295/088; C07C; C07C291/00; C07C291/02; C07C291/04; C23; C23F; C23F11/00; C23F11/08; C23F11/10; C23F11/14; C23F11/141; C23F11/142; C23F11/147; C23F11/149
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
6 words
AN AMINO ALCOHOL OF THE FORMULA
Claim 2
Dependent Claim
6 words
AN AMINO ALCOHOL OF THE FORMULA
Claim 3
Dependent Claim
9 words
A compound according to claim 1 of the formula
Claim 4
Dependent Claim
9 words
A compound according to claim 1 of the formula
Claim 5
Dependent Claim
14 words
A compound according to claim 1 wherein one of R3 and R4 is hydrogen.
Claim 6
Dependent Claim
9 words
A compound according to claim 4 of the formula
Claim 7
Dependent Claim
9 words
A compound according to claim 4 of the formula
Claim 8
Dependent Claim
6 words
An amino alcohol of the formula
Claim 9
Dependent Claim
6 words
An amino alcohol of the formula
Claim 10
Dependent Claim
9 words
A compound according to claim 7 of the formula
Claim 11
Dependent Claim
9 words
A compound according to claim 7 of the formula
Claim 12
Dependent Claim
5 words
A compound of the formula
Claim 13
Dependent Claim
5 words
A compound of the formula
Claim 14
Dependent Claim
9 words
A compound according to claim 10 of the formula
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) | 1978-03-17 | 1978-09-16 | 1979-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-03-17 | 1982-09-16 | 1983-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-03-17 | 1986-09-16 | 1987-03-18 | $7700.00 | Window Closed / Lapsed |