US4049716A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compositions based on polyamines with ether groups
Assignee: Rhone Poulenc Industries SA
•
Filing: 1976-04-05
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Granted: 1977-09-20
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Expires: 1996-04-05
Abstract
Abstract Polyamine ether compounds useful as intermediates for producing additives for lubricating oils are provided as well as a process for the production of said compounds.
Inventors
- 👤 Paul Collet
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:26
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/30; C08G18/32
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
91 words
Compositions based on polyamines with ether groups, characterized in that they contain at least one of the polyamines with ether groups of the formula: ##STR7## in which formula: R 1 and R 2 are similar or different and represent a hydrogen atom or methyl radical, R represents one of the following radicals: --CH.sub.2 --CHR.sub.1 --O--CH.sub.2 --CHR.sub.2 --CH.sub.2 --NH.sub.2 --ch.sub.2 --chr.sub.1 --oh --ch.sub.2 --chr.sub.2 --ch.sub.2 --nh.sub.2 and R' represents one of the following radicals: --CH.sub.2 --CHR.sub.1 --O--CH.sub.2 --CHR.sub.2 --CH.sub.2 --NH.sub.2 --ch.sub.2 --chr.sub.1 --oh --ch.sub.2 --chr.sub.2 --ch.sub.2 --nh.sub.2 c.sub.1 -c.sub.4 -alkyl or phenyl.
Claim 2
Dependent Claim
91 words
Compositions based on polyamines with ether groups, characterized in that they contain at least one of the polyamines with ether groups of the formula: ##STR7## in which formula: R 1 and R 2 are similar or different and represent a hydrogen atom or methyl radical, R represents one of the following radicals: --CH.sub.2 --CHR.sub.1 --O--CH.sub.2 --CHR.sub.2 --CH.sub.2 --NH.sub.2 --ch.sub.2 --chr.sub.1 --oh --ch.sub.2 --chr.sub.2 --ch.sub.2 --nh.sub.2 and R' represents one of the following radicals: --CH.sub.2 --CHR.sub.1 --O--CH.sub.2 --CHR.sub.2 --CH.sub.2 --NH.sub.2 --ch.sub.2 --chr.sub.1 --oh --ch.sub.2 --chr.sub.2 --ch.sub.2 --nh.sub.2 c.sub.1 -c.sub.4 -alkyl or phenyl.
Claim 3
Dependent Claim
9 words
A composition according to claim 1, consisting of tris-(6-amino-3-oxa-hexyl)-amine.
Claim 4
Dependent Claim
9 words
A composition according to claim 1, consisting of N-ethyl-N,N-bis-(3-oxa-6-amino-hexyl)-amine.
Claim 5
Dependent Claim
9 words
A composition according to claim 1, consisting of tris-(3-oxa-5-methyl-6-amino-hexyl)-amine.
Claim 6
Dependent Claim
44 words
A composition according to claim 1, characterized in that it contains at least one of the polyamines of the formula ##STR8## in which formula R' represents a --C 2 H 4 --O--C 3 H 6 --NH 2 or --C 2 H 4 --OH radical.
Claim 7
Dependent Claim
12 words
A composition according to claim 1, characterized in that it contains N-ethyl-N-(2-hydroxyethyl)-N-(6-amino-3-oxahexyl)-amine.
References Cited (Backward Citations)
US2187823A
Cited
US2326721A
Cited
US2828265A
Cited
US3042631A
Cited
US3377383A
Cited
US3810846A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-09-19 | 1981-03-21 | 1981-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-09-19 | 1985-03-21 | 1985-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-09-19 | 1989-03-21 | 1989-09-20 | $7700.00 | Window Closed / Lapsed |