Patent US3096228A successfully refreshed from Google Patents.
US3096228A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of cellulosic product
Assignee: Kimberly Clark Corp
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Filing: 1961-01-09
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Granted: 1963-07-02
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Expires: 1981-01-09
Abstract
No abstract record available.
Inventors
- 👤 Winterton U Day
- 👤 Harold F Donnelly
- 👤 Henry L Rohs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 07:50
CPC Classifications
D; D21; D21H; D21H17/00; D21H17/03; D21H17/05; D21H17/06; D21H21/00; D21H21/14; D21H21/18; D21H21/20; Y; Y10; Y10S; Y10S8/00; Y10S8/17
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
84 words
THE PROCESS OF PRODUCING AN ABSORBENT PAPER HAVING TEMPORARY WET STRENGTH WHICH COMPRISES FORMING, DRYING, AND CREPING A WEB OF ABSORBENT CELLULOSE WADDING AT A MOISTURE CONTENT OF FROM 3 TO 7%, APPLYING TO SAID WEB AN AQUEOUS SOLUTION OF GLYOXAL IN A AMOUNT TO OBTAIN A TOTAL MOISTURE CONTENT IN SAID WEB OF MORE THAN 4% AND NOT MORE THAN 20% BY WEIGHT, AND SUBSTANTIALLY MAINTAINING SAID MOISTURE CONTENT WHILE AGING THE TREATED WEB AT ABOUT ROOM TEMPERATURE TO DEVELOP WET STRENGTH THEREIN.
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) | 1966-07-01 | 1966-12-31 | 1967-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-01 | 1970-12-31 | 1971-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-01 | 1974-12-31 | 1975-07-02 | $7700.00 | Window Closed / Lapsed |