US3268450A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compositions containing aminomethane phosphonate copolymers
Assignee: Rohm and Haas Co
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Filing: 1965-06-01
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Granted: 1966-08-23
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Expires: 1985-06-01
Abstract
No abstract record available.
Inventors
- 👤 Homer J Sims
- 👤 La Verne N Bauer
- 👤 Jr Albert F Preuss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:24
CPC Classifications
C; C10; C10M; C10M153/00; C10M153/02; C08; C08F; C08F30/00; C08F30/02; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/26; C10L1/2666; C10L1/2675; C10M2205/00; C10M2205/02; C10M2205/026; C10M2207/00; C10M2207/28; C10M2207/282; C10M2207/30; C10M2207/34; C10M2209/00; C10M2209/02; C10M2209/08; C10M2209/084; C10M2219/00; C10M2219/02; C10M2219/024; C10M2219/04; C10M2219/044; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/042; C10M2223/045; C10M2225/00; C10M2225/02; C10M2229/00; C10M2229/02; C10M2229/04; C10M2229/05; C10N; C10N2010/00; C10N2010/04; C10N2040/00; C10N2040/08; C10N2050/00; C10N2050/10; C10N2070/00; C10N2070/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
135 words
A COMPOSITION SELECTED FROM THE GROUP CONSISTING OF A LABRICATING OIL AND A LIQUID HYDROCARBON FUEL HAVING INCORPORATED THEREIN A MINOR AMOUNT SUFFICIENT TO IMPART DETERGENCY OF A SOLUBLE COPOLYMER, HAVING A MOLECULAR WEIGHT OF AT LEAST ABOUT 20,000 AND UP TO ABOUT 2,000,000 CONSISTING ESSENTIALLY OF THE MONOMERS (A) AND (B) HICH MUST BE LIMITED TO THOSE SAID MONOMERS WHICH IMPART OIL SOLUBILITY OF THE RESULTING SAID COPOLYMER, WHERE SAID (A) IS BETWEEN ABOUT 90 AND 99.5% BY WEIGHT PRINCIPALLY OF AT LEAST ONE MONOETHYLENICALLY UNSATURATED POLYMERIZABLE MONOMER SELECTED FROM THE CLASS CONSISTING OF ALKYL (C1-C18) METHACRYLATE, ALKYL (C1-C18) ACRYLATE, DIALKYL (C1-C18) FUMARATE, DIALKYL (C1-C18) MALEATE, DIALKYL (C1-C18) ITACONATE AND VINYL ESTERS OF MONOCARBOXYLIC ACIDS, AND SAID (B) IS BETWEEN ABOUT 10 AND 0.5% BY WEIGHT OF AT LEAST ONE MONOMER HAVING THE FORMULA
Claim 2
Dependent Claim
135 words
A COMPOSITION SELECTED FROM THE GROUP CONSISTING OF A LABRICATING OIL AND A LIQUID HYDROCARBON FUEL HAVING INCORPORATED THEREIN A MINOR AMOUNT SUFFICIENT TO IMPART DETERGENCY OF A SOLUBLE COPOLYMER, HAVING A MOLECULAR WEIGHT OF AT LEAST ABOUT 20,000 AND UP TO ABOUT 2,000,000 CONSISTING ESSENTIALLY OF THE MONOMERS (A) AND (B) HICH MUST BE LIMITED TO THOSE SAID MONOMERS WHICH IMPART OIL SOLUBILITY OF THE RESULTING SAID COPOLYMER, WHERE SAID (A) IS BETWEEN ABOUT 90 AND 99.5% BY WEIGHT PRINCIPALLY OF AT LEAST ONE MONOETHYLENICALLY UNSATURATED POLYMERIZABLE MONOMER SELECTED FROM THE CLASS CONSISTING OF ALKYL (C1-C18) METHACRYLATE, ALKYL (C1-C18) ACRYLATE, DIALKYL (C1-C18) FUMARATE, DIALKYL (C1-C18) MALEATE, DIALKYL (C1-C18) ITACONATE AND VINYL ESTERS OF MONOCARBOXYLIC ACIDS, AND SAID (B) IS BETWEEN ABOUT 10 AND 0.5% BY WEIGHT OF AT LEAST ONE MONOMER HAVING 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) | 1969-08-22 | 1970-02-21 | 1970-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-22 | 1974-02-21 | 1974-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-22 | 1978-02-21 | 1978-08-23 | $7700.00 | Window Closed / Lapsed |