Patent US3297730A successfully refreshed from Google Patents.
US3297730A
Expired / Lapsed
US
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Polyamides of polymeric fat acids
Assignee: General Mills Inc
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Filing: 1965-11-17
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Granted: 1967-01-10
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Expires: 1985-11-17
Abstract
No abstract record available.
Inventors
- 👤 Eugene M Fischer
- 👤 Frances M Linn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:27
CPC Classifications
C; C11; C11C; C11C3/00; C11C3/12; C07; C07C; C07C51/00; C07C51/347; C07C51/36; C07C51/42; C07C51/487; C08; C08F; C08F20/00; C08F20/62; C08F20/64; C08F8/00; C08F8/04; C08G; C08G69/00; C08G69/02; C08G69/26; C08G69/34; C09; C09F; C09F7/00; C09F7/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
A POLYAMIDE RESIN PRODUCT OF A CLAY POLYMERIZED AND HYDROGENATED MONOCARBOXYLIC ALIPHATIC ACID HAVING A HYDROCARBON CHAIN OF 8 TO 24 CARBON ATOMS AND HAVING A PHOTOMETRIC COLOR NOT LESS THAN 90% AND A POLYAMINE HAVING THE FORMULA H2NR(NHR)XNH2 WHERE R IS SELECTED FROM THE GROUP CONSISTING OF ALIPHATIC AND AROMATIC HYDROCARBON RADICALS AND X IS AN INTEGER FROM 0 TO 6.
Claim 2
Dependent Claim
62 words
A POLYAMIDE RESIN PRODUCT OF A CLAY POLYMERIZED AND HYDROGENATED MONOCARBOXYLIC ALIPHATIC ACID HAVING A HYDROCARBON CHAIN OF 8 TO 24 CARBON ATOMS AND HAVING A PHOTOMETRIC COLOR NOT LESS THAN 90% AND A POLYAMINE HAVING THE FORMULA H2NR(NHR)XNH2 WHERE R IS SELECTED FROM THE GROUP CONSISTING OF ALIPHATIC AND AROMATIC HYDROCARBON RADICALS AND X IS AN INTEGER FROM 0 TO 6.
References Cited (Backward Citations)
US2450940A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-09 | 1970-07-11 | 1971-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-09 | 1974-07-11 | 1975-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-09 | 1978-07-11 | 1979-01-10 | $7700.00 | Window Closed / Lapsed |