US3682856A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Viscosity increasing agent of polymer-grafted cellulose fibers and method therefor
Assignee: Georgia Pacific Consumer Products LP
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Filing: 1971-01-29
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Granted: 1972-08-08
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Expires: 1991-01-29
Abstract
Abstract AN AGENT FOR GREATLY INCREASING THE VISCOSITY OF AQUEOUS SYSTEMS WHICH COMPRISES POLYMER-MODIFIED NATURAL CELLULOSE FIBERS WHICH HAVE BEEN WET OR DRY MILLED TO FORM FINE FRAGMENTS OF THE ORIGINAL FIBROUS STRUCTURE. SMALL PERCENTAGES OF ALKALI POLYACRYLATE-MODIFIED CELLULOSE FIBERS MILLED, MECHANICALLY FRAGMENTED OR CRUSHED TO A FINE PARTICLE SIZE HAVE BEEN FOUND EFFECTIVE IN THICKENING AQUEOUS SYSTEMS SUCH AS LATEX BASED PAINTS, HAND AND BODY LOTIONS, SIZING SOLUTIONS AND THE LIKE.
Inventors
- 👤 James William Adams
- 👤 August Henry Tilloson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:17
CPC Classifications
C; C09; C09D; C09D7/00; C09D7/40; C09D7/43; C08; C08L; C08L1/00; C08L1/02
Claims Analysis
Total Claims: 0
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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) | 1975-08-08 | 1976-02-07 | 1976-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-08-08 | 1980-02-07 | 1980-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-08-08 | 1984-02-07 | 1984-08-08 | $7700.00 | Window Closed / Lapsed |