US2526125A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Paper products and methods of making the same
Assignee: Akzo Nobel UK PLC
•
Filing: 1942-05-25
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Granted: 1950-10-17
•
Expires: 1962-05-25
Abstract
No abstract record available.
Inventors
- 👤 Jr Carleton S Francis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 16:34
CPC Classifications
D; D21; D21H; D21H5/00; D21H5/12; D21H5/20; Y; Y10; Y10S; Y10S206/00; Y10S206/819; Y10T; Y10T442/00; Y10T442/60; Y10T442/69
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
123 words
IN A PROCESS FOR MAKING A PAPER PRODUCT, THE STEPS COMPRISING FORMING AN AQUEOUS SUSPENSION OF CELLULOSIC PAPER-MAKING FIBERS OF PAPER-MAKING LENGTH AND WATER-INSOLUBLE PREFORMED, EXTRUDED THERMOPLASTIC RESIN FIBERS OF PAPER-MAKING LENGTH WHILE MAINTAINING SAID RESIN FIBERS IN FIBROUS FORM, SAID RESIN FIBERS BEING FORMED FROM A COPOLYMER OF VINYL CHLORIDE AND VINYL ACETATE AND BEING NORMALLY NON-TACKY, FLEXIBLE, AND TOIUCH, AND BEING RENDERED TACKY AT A TEMPERATURE BELOW THAT AT WHICH THE PAPERMAKING FIBERS ARE DAMAGED; REMOVING WATER FROM SAID SUSPENSION TO DEPOSIT SAID PAPER-MAKING AND SAID RESIN FIBERS IN THE FORM OF A PAPER PRODUCT; AND HEATING SAID PRODUCT TO EFFECT A TOUGH, PLIABLE, WATER-RESISTANT BONDING OF FIBERS IN SAID PRODUCT, WITHOUT DESTRUCTION OF THE FIBROUS STRUCTURE OF SAID RESIN FIBERS.
Claim 2
Dependent Claim
123 words
IN A PROCESS FOR MAKING A PAPER PRODUCT, THE STEPS COMPRISING FORMING AN AQUEOUS SUSPENSION OF CELLULOSIC PAPER-MAKING FIBERS OF PAPER-MAKING LENGTH AND WATER-INSOLUBLE PREFORMED, EXTRUDED THERMOPLASTIC RESIN FIBERS OF PAPER-MAKING LENGTH WHILE MAINTAINING SAID RESIN FIBERS IN FIBROUS FORM, SAID RESIN FIBERS BEING FORMED FROM A COPOLYMER OF VINYL CHLORIDE AND VINYL ACETATE AND BEING NORMALLY NON-TACKY, FLEXIBLE, AND TOIUCH, AND BEING RENDERED TACKY AT A TEMPERATURE BELOW THAT AT WHICH THE PAPERMAKING FIBERS ARE DAMAGED; REMOVING WATER FROM SAID SUSPENSION TO DEPOSIT SAID PAPER-MAKING AND SAID RESIN FIBERS IN THE FORM OF A PAPER PRODUCT; AND HEATING SAID PRODUCT TO EFFECT A TOUGH, PLIABLE, WATER-RESISTANT BONDING OF FIBERS IN SAID PRODUCT, WITHOUT DESTRUCTION OF THE FIBROUS STRUCTURE OF SAID RESIN FIBERS.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-10-16 | 1954-04-17 | 1954-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-16 | 1958-04-17 | 1958-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-16 | 1962-04-17 | 1962-10-17 | $7700.00 | Window Closed / Lapsed |