US3764451A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air formed adhesively supplemented hydrogen bonded webs
Assignee: Kimberly Clark Corp
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Filing: 1971-05-20
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Granted: 1973-10-09
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Expires: 1991-05-20
Abstract
Abstract LIGHTWEIGHT CELLULOSIC PRODUCTS CHARACTERIZED BY A DESIRABLE COMBINATION OF STRENGTH, ABSORBENCY AND TACTILE PROPERTIES ARE FORMED BY AIR LAYING A WEB OF CELLULOSIC FIBERS, AND, THEREAFTER, UNITING THE FIBERS INTO A COHERENT STRUCTURE BY BONDING THEM TOGETHER AT REGULARLY PATTERNED AREAS OF THE WEB WITH ADHESIVELY SUPPLEMENTED HYDROGEN BONDS. THE RESULTING PRODUCTS NEED NOT BE CREPED TO DEVELOP IMPROVED TACTILE CHARACTERISTICS AND MAY BE ADVANTAGEOUSLY USED AS FACIAL WIPES, TOWELING AND THE LIKE.
Inventors
- 👤 C Dunning
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:59
CPC Classifications
D; D04; D04H; D04H1/00; D04H1/40; D04H1/54; D04H1/44; D21; D21H; D21H25/00; D21H27/00; D21H27/02; D21H5/00; D21H5/26; D21H5/265; D21H5/2657; D21H5/2671; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1007; Y10T156/1023; Y10T428/00; Y10T428/24; Y10T428/24479; Y10T428/24612; Y10T428/24802; Y10T428/24826; Y10T428/29; Y10T428/2904; Y10T428/2905
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) | 1976-10-08 | 1977-04-09 | 1977-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-10-08 | 1981-04-09 | 1981-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-10-08 | 1985-04-09 | 1985-10-09 | $7700.00 | Window Closed / Lapsed |