Patent US3033828A successfully refreshed from Google Patents.
US3033828A
Expired / Lapsed
US
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Oil-soluble oxygen-containing polymers
Assignee: Individual
•
Filing: 1960-02-23
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Granted: 1962-05-08
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Expires: 1980-02-23
Abstract
No abstract record available.
Inventors
- 👤 Richard C Nelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:48
CPC Classifications
C; C08; C08F; C08F2/00; C08F18/00; C08F18/02; C08F18/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
AN OIL-SOLUBLE COPOLYMER OF (1) AN ALLYLIC COMPOUND SELECTED FROM THE GROUP CONSISTING OF AN ALLYL ALCOHOL, AN ALLYL AMINE, AND AN ALLYL CARBAMATE AND (2) A POLYMERIZABLE ESTER SELECTED FROM THE GROUP CONSISTING OF A C10-18 ALKYL ACRYLATE AND A VINYL CARBOXYLATE HAVING FROM 10 TO 18 CARBON ATOMS IN THE MOLECULE, IN THE MOL RATIO OF (1) TO (2) OF FROM 1:1 TO 15:1 RESPECTIVELY, THE COPOLYMER HAVING A MOLECULAR WEIGHT OF AT LEAST 1500.
Claim 2
Dependent Claim
77 words
AN OIL-SOLUBLE COPOLYMER OF (1) AN ALLYLIC COMPOUND SELECTED FROM THE GROUP CONSISTING OF AN ALLYL ALCOHOL, AN ALLYL AMINE, AND AN ALLYL CARBAMATE AND (2) A POLYMERIZABLE ESTER SELECTED FROM THE GROUP CONSISTING OF A C10-18 ALKYL ACRYLATE AND A VINYL CARBOXYLATE HAVING FROM 10 TO 18 CARBON ATOMS IN THE MOLECULE, IN THE MOL RATIO OF (1) TO (2) OF FROM 1:1 TO 15:1 RESPECTIVELY, THE COPOLYMER HAVING A MOLECULAR WEIGHT OF AT LEAST 1500.
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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) | 1965-05-07 | 1965-11-06 | 1966-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-07 | 1969-11-06 | 1970-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-07 | 1973-11-06 | 1974-05-08 | $7700.00 | Window Closed / Lapsed |