US3138473A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compositions and process to increase the wet strength of paper
Assignee: General Mills Inc
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Filing: 1962-01-26
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Granted: 1964-06-23
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Expires: 1982-01-26
Abstract
No abstract record available.
Inventors
- 👤 Don E Floyd
- 👤 Richard J Ess
- 👤 James L Keen
- 👤 Joseph W Opie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 13:19
CPC Classifications
D; D21; D21H; D21H17/00; D21H17/20; D21H17/21; D21H17/24; D21H17/28; C; C08; C08B; C08B37/00; C08B37/006; C08B37/0087; C08B37/0093; C08B37/0096; C08L; C08L5/00; D21H17/03; D21H17/05; D21H17/07; D21H17/31; D21H17/32
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
85 words
THE COMPOSITION COMPRISING (A) FROM ABOUT 15 TO ABOUT 85 WEIGHT OF A MODIFIED POLYSACCHARIDE SELECTED FROM THE GROUP CONSISTING OF OXIDIZED POLYGALACTOMANNAN GUMS, AND OXIDIZED STARCHES, AND (B) FROM ABOUT 85 TO ABOUT 15 PERCENT BY WEIGHT OF A FAT ACID DERIVED AMINO-CONTAING COMPOUND HAVING AN AMINE NUMBER FROM ABOUT 50 TO ABOUT 700 SELECTED FROM THE GROUP CONSISTING OF THE AMINOAMIDES AND AMINOIMIDAZOLINES OF FAT ACIDS, THE AMINOAMIDES AND AMINOIMIDAZOLINES OF EPOXIDEZED FAT ACIDS AND THE AMINOAMIDES AND AMINO-IMIDAZOLINES OF POLYMERIC FAT ACIDS.
References Cited (Backward Citations)
US2772969A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-23 | 1967-12-23 | 1968-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-23 | 1971-12-23 | 1972-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-23 | 1975-12-23 | 1976-06-23 | $7700.00 | Window Closed / Lapsed |