US3127362A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Starch esters and process of
Assignee: —
•
Filing: —
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Granted: 1964-03-31
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Expires: 1981-03-31
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:18
CPC Classifications
C; C08; C08B; C08B31/00; C08B31/02; C08B31/04; C08G; C08G81/00; C08G81/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
73 words
A WATER-DISPERSIBLE ESTERFICATION PRODUCT OF 25-95 WEIGHT PERCENT STARCH AND, CORRESPONDINGLY, 75-5 WEIGHT PERCENT OF AN ESSENTIALLY EQUIMOLAR INTERPOLYMER OF (A) A MONOMER OF THE GROUP CONSISTING OF MALEIC ACID MALEIC ACID, PARTIAL ALIPHATIC ALCOHOL ESTERS OF MALEIC ACID AND MIXTURES THEREOF, AND (B) A MONOMER OF THE GROUP CONSISTING OF ETHYLENE, PROPYLENE, ISOBUTYLENE, A MONOVINYLIDENE AROMATIC HYDROCARBON COMPOUND, A VINYL ALKYL ETHER, A VINYL ESTER OF A CARBOXYLIC ACID AND MIXTURES THEREOF.
Claim 2
Dependent Claim
73 words
A WATER-DISPERSIBLE ESTERFICATION PRODUCT OF 25-95 WEIGHT PERCENT STARCH AND, CORRESPONDINGLY, 75-5 WEIGHT PERCENT OF AN ESSENTIALLY EQUIMOLAR INTERPOLYMER OF (A) A MONOMER OF THE GROUP CONSISTING OF MALEIC ACID MALEIC ACID, PARTIAL ALIPHATIC ALCOHOL ESTERS OF MALEIC ACID AND MIXTURES THEREOF, AND (B) A MONOMER OF THE GROUP CONSISTING OF ETHYLENE, PROPYLENE, ISOBUTYLENE, A MONOVINYLIDENE AROMATIC HYDROCARBON COMPOUND, A VINYL ALKYL ETHER, A VINYL ESTER OF A CARBOXYLIC ACID AND MIXTURES THEREOF.
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) | 1967-03-31 | 1967-09-30 | 1968-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-31 | 1971-09-30 | 1972-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-31 | 1975-09-30 | 1976-03-31 | $7700.00 | Window Closed / Lapsed |