US3012055A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alkyl orthophosphate salts of copolymer amines
Assignee: Universal Oil Products Co
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Filing: 1960-07-13
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Granted: 1961-12-05
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Expires: 1980-07-13
Abstract
No abstract record available.
Inventors
- 👤 Ernest L Pollitzer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:42
CPC Classifications
C; C08; C08F; C08F8/00; C08F8/40
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
AN ALKYL ACID ORTHOPHOSPHATE SALT OF A COPOLYMER OF UNUSATURATED COMPOUNDS, EACH CONTAINING POLYMERIZABLE ETHYLENIC LINKAGE AND SELECTED FROM A GROUP CONSISTING OF ACRYLIC AND ALKACRYLIC ESTERS HAVING FROM ABOUT 8 TO ABOUT 18 CARBON ATOMS IN THE ESTER GROUP AND ONE OF SAID COMPOUNDS BEING AMINE-FREE AND THE OTHER OF SAID COMPOUNDS CONTAINING A BASIC AMINO GROUP, SAID COPOLYMER CONTAINING FROM ABOUT 0.1% TO ABOUT 3.5% OF BASIC AMINO NITROGEN.
Claim 2
Dependent Claim
71 words
AN ALKYL ACID ORTHOPHOSPHATE SALT OF A COPOLYMER OF UNUSATURATED COMPOUNDS, EACH CONTAINING POLYMERIZABLE ETHYLENIC LINKAGE AND SELECTED FROM A GROUP CONSISTING OF ACRYLIC AND ALKACRYLIC ESTERS HAVING FROM ABOUT 8 TO ABOUT 18 CARBON ATOMS IN THE ESTER GROUP AND ONE OF SAID COMPOUNDS BEING AMINE-FREE AND THE OTHER OF SAID COMPOUNDS CONTAINING A BASIC AMINO GROUP, SAID COPOLYMER CONTAINING FROM ABOUT 0.1% TO ABOUT 3.5% OF BASIC AMINO NITROGEN.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-04 | 1965-06-05 | 1965-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-04 | 1969-06-05 | 1969-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-04 | 1973-06-05 | 1973-12-05 | $7700.00 | Window Closed / Lapsed |