US4424317A
Expired / Lapsed
US
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Mannich condensation product of ethylene/propylene/carbonyl polymers
Assignee: Ethyl Corp
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Filing: 1982-12-06
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Granted: 1984-01-03
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Expires: 2002-12-06
Abstract
Abstract A Mannich condensation product of an amorphous, oil soluble olefin/carbonyl polymer, amine and formaldehyde yielding reactant wherein the carbonyl groups are provided by at least one member selected from the group consisting of carbon monoxide and vinyl alkyl ketone and lube oil compositions comprising said polymers.
Inventors
- 👤 Carl Serres
- 👤 John G. Schaffhausen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:16
CPC Classifications
C; C08; C08G; C08G12/00; C08G12/46; C08G67/00; C08G67/02; C10; C10M; C10M159/00; C10M159/12; C10M159/16
Claims Analysis
Total Claims: 20
Claim 1
Independent Claim
69 words
A Mannich condensation product of an amorphous, oil soluble olefin/carbonyl polymer, amine and formaldehyde yielding reactant wherein the carbonyl groups are provided by at least one member selected from the group consisting of carbon monoxide in a concentration up to 1.0 parts by weight per 100 parts by weight olefin and vinyl alkyl ketone in a concentration up to 7.5 parts by weight per 100 parts by weight olefin.
Claim 2
Dependent Claim
69 words
A Mannich condensation product of an amorphous, oil soluble olefin/carbonyl polymer, amine and formaldehyde yielding reactant wherein the carbonyl groups are provided by at least one member selected from the group consisting of carbon monoxide in a concentration up to 1.0 parts by weight per 100 parts by weight olefin and vinyl alkyl ketone in a concentration up to 7.5 parts by weight per 100 parts by weight olefin.
Claim 3
Dependent Claim
10 words
The product of claim 1 wherein said olefin comprises propylene.
Claim 4
Dependent Claim
10 words
The product of claim 1 wherein said olefin comprises ethylene.
Claim 5
Dependent Claim
12 words
The product of claim 1 wherein said olefin comprises ethylene and propylene.
Claim 6
Dependent Claim
19 words
The product of claim 4 wherein the mole ratio of ethylene to propylene is from about 35:65 to 60:40.
Claim 7
Dependent Claim
20 words
The product of claim 5 wherein the carbonyl groups are provided by both carbon monoxide and a vinyl methyl ketone.
Claim 8
Dependent Claim
41 words
The Mannich condensation product of an amorphous, oil soluble olefin/carbon monoxide polymer, amine and formaldehyde yielding reactant wherein the carbonyl content of the polymer ranges from about 0.01 to 1.0 parts by weight per 100 parts by weight of olefin monomer.
Claim 9
Dependent Claim
41 words
The Mannich condensation product of an amorphous, oil soluble olefin/carbon monoxide polymer, amine and formaldehyde yielding reactant wherein the carbonyl content of the polymer ranges from about 0.01 to 1.0 parts by weight per 100 parts by weight of olefin monomer.
Claim 10
Dependent Claim
29 words
The product of claim 7 wherein the carbonyl content of the polymer ranges from about 0.01 to 0.2 parts by weight of 100 parts by weight of olefin monomer.
Claim 11
Dependent Claim
10 words
The product of claim 8 wherein the olefin comprises ethylene.
Claim 12
Dependent Claim
10 words
The product of claim 8 wherein the olefin comprises propylene.
Claim 13
Dependent Claim
12 words
The product of claim 8 wherein the olefin comprises ethylene and propylene.
Claim 14
Dependent Claim
18 words
The product of claim 11 wherein the mol ratio of ethylene to propylene is about 35:65 to 60:40.
Claim 15
Dependent Claim
46 words
The Mannich condensation product of an amorphous, oil soluble olefin/vinyl alkyl ketone polymer, amine and formaldehyde yielding reactant wherein the vinyl alkyl ketone content of the polymer ranges from 0.05 to 7.5 parts by weight vinyl alkyl ketone per 100 parts by weight of olefin monomer.
Claim 16
Dependent Claim
46 words
The Mannich condensation product of an amorphous, oil soluble olefin/vinyl alkyl ketone polymer, amine and formaldehyde yielding reactant wherein the vinyl alkyl ketone content of the polymer ranges from 0.05 to 7.5 parts by weight vinyl alkyl ketone per 100 parts by weight of olefin monomer.
Claim 17
Dependent Claim
10 words
The product of claim 13 wherein the olefin comprises ethylene.
Claim 18
Dependent Claim
10 words
The product of claim 13 wherein the olefin comprises propylene.
Claim 19
Dependent Claim
12 words
The product of claim 13 wherein the olefin comprises ethylene and propylene.
Claim 20
Dependent Claim
18 words
The product of claim 16 wherein the mol ratio of ethylene to propylene is about 35:65 to 60:40.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1987-01-02 | 1987-07-04 | 1988-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-01-02 | 1991-07-04 | 1992-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-01-02 | 1995-07-04 | 1996-01-03 | $7700.00 | Window Closed / Lapsed |