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US4424317A Expired / Lapsed US ⏱️ 0.0 years remaining

Mannich condensation product of ethylene/propylene/carbonyl polymers

Assignee: Ethyl Corp
•
Filing: 1982-12-06
•
Granted: 1984-01-03
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Expires: 2002-12-06
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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 18:11
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)

US2351120A Cited
US2457279A Cited
US2441082A Cited
US2495255A Cited
US2495286A Cited
US3068201A Cited
US3780140A Cited

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

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