Patent US3073864A successfully refreshed from Google Patents.
US3073864A
Expired / Lapsed
US
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Dimeric fatty quaternary ammonium salts
Assignee: General Mills Inc
•
Filing: 1957-10-16
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Granted: 1963-01-15
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Expires: 1977-10-16
Abstract
No abstract record available.
Inventors
- 👤 Stuart A Harrison
- 👤 Kirtland E Mccaleb
- 👤 William J Ward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:12
CPC Classifications
D; D21; D21H; D21H17/00; D21H17/20; D21H17/33; D21H17/34; D21H17/41; D21H17/44; D21H17/45; B; B65; B65H; B65H69/00; B65H69/08; C; C07; C07C; C07C209/00; C07C209/04; C07C209/06; C07C209/12; C08; C08F; C08F20/00; C08F20/62; C08F20/64; D06; D06M; D06M23/00; D06M23/16; D06M23/18; D21H17/03; D21H17/05; D21H17/07
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
8 words
A POLYQUATERNARY AMMONIUM COMPOUND REPREPRESENTED BY THE FORMULA
Claim 2
Dependent Claim
8 words
A POLYQUATERNARY AMMONIUM COMPOUND REPREPRESENTED BY THE FORMULA
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) | 1966-01-14 | 1966-07-16 | 1967-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-14 | 1970-07-16 | 1971-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-14 | 1974-07-16 | 1975-01-15 | $7700.00 | Window Closed / Lapsed |