Patent US3218314A successfully refreshed from Google Patents.
US3218314A
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Carboalkoxyvinyl ethers of a polysaccharide
Assignee: Monsanto Co
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Filing: 1963-02-18
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Granted: 1965-11-16
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Expires: 1983-02-18
Abstract
No abstract record available.
Inventors
- 👤 Lee A Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:45
CPC Classifications
C; C08; C08B; C08B11/00; C08B11/02; C08B11/04; C08B11/10; C08B11/12; C08B11/187; C08B31/00; C08B31/02; C08B31/04; C08B31/08; C08B31/12
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
17 words
A CARBOALKOXYVINYL ETHER OF A POLYSACCHARIDE HAVING FROM 8 TO 30 CARBON ATOMS IN THE ALKOXY RADICAL.
Claim 2
Dependent Claim
17 words
A CARBOALKOXYVINYL ETHER OF A POLYSACCHARIDE HAVING FROM 8 TO 30 CARBON ATOMS IN THE ALKOXY RADICAL.
Claim 3
Independent Claim
33 words
A METHOD OF TREATING POLYSACCHARIDE MATERIALS WHICH COMPRISES REACTING THE POLYSACCHARIDE WITH AN ALKYL PROPIOLATE HAVING FROM 8 TO 30 CARBON ATOMS IN THE ALKYL RADICAL IN THE PRESENCE OF AN ALKALINE CATALYST.
Claim 4
Independent Claim
33 words
A METHOD OF TREATING POLYSACCHARIDE MATERIALS WHICH COMPRISES REACTING THE POLYSACCHARIDE WITH AN ALKYL PROPIOLATE HAVING FROM 8 TO 30 CARBON ATOMS IN THE ALKYL RADICAL IN THE PRESENCE OF AN ALKALINE CATALYST.
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) | 1968-11-15 | 1969-05-17 | 1969-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-15 | 1973-05-17 | 1973-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-15 | 1977-05-17 | 1977-11-16 | $7700.00 | Window Closed / Lapsed |