US3047455A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Paper manufacture from synthetic non-cellulosic fibers
Assignee: Monsanto Chemicals Ltd
•
Filing: 1959-03-13
•
Granted: 1962-07-31
•
Expires: 1979-03-13
Abstract
No abstract record available.
Inventors
- 👤 Richard R Holmes
- 👤 Nealie T Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 05:30
CPC Classifications
D; D01; D01D; D01D5/00; D01D5/42; D01D5/423; D21; D21H; D21H13/00; D21H13/10; D21H13/12; D21H13/18; D21H5/00; D21H5/12; D21H5/20; D21H5/205; Y; Y10; Y10S; Y10S264/00; Y10S264/47
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
IN THE PROCESS FOR THE MANUFACTURE OF A PAPER PRODUCT WHEREIN; FILAMENTS ARE WET-SPUN FROM AN ACRYLONITRILE POLYMER CONTAINING AT LEAST 80 PERCENT BY WEIGHT OF ACRYLONITRILE AND UP TO 20 PERCENT BY WEIGHT OF MONOOLEFINIC MONOMER COPOLYMERIZED THEREWITH; THE SAID FILAMENTS ARE CUT INTO FIBERS OF PAPER-MAKING LENGTHS; THE SAID FIBERS ARE FIBRILLATED IN AN AQUEOUS SLURRY TO DEVELOP INTERLOCKABLE FIBRILS PROJECTING THEREFROM; THE FIBRILLATED FIBERS ARE SHEETED OUT INTO AN ARTICLE OF A PREDETERMINED SHAPE AND THICKNESS; AND THE RESULTING ARTICLE IS DRIED TO FORM A PAPER PRODUCT; THE IMPROVEMENT COMPRISING FIBRILLATING THE SAID FIBERS WHEN SAME HAVE A GEL AND AN UNCOLLAPSED STRUCTURE.
Claim 2
Dependent Claim
106 words
IN THE PROCESS FOR THE MANUFACTURE OF A PAPER PRODUCT WHEREIN; FILAMENTS ARE WET-SPUN FROM AN ACRYLONITRILE POLYMER CONTAINING AT LEAST 80 PERCENT BY WEIGHT OF ACRYLONITRILE AND UP TO 20 PERCENT BY WEIGHT OF MONOOLEFINIC MONOMER COPOLYMERIZED THEREWITH; THE SAID FILAMENTS ARE CUT INTO FIBERS OF PAPER-MAKING LENGTHS; THE SAID FIBERS ARE FIBRILLATED IN AN AQUEOUS SLURRY TO DEVELOP INTERLOCKABLE FIBRILS PROJECTING THEREFROM; THE FIBRILLATED FIBERS ARE SHEETED OUT INTO AN ARTICLE OF A PREDETERMINED SHAPE AND THICKNESS; AND THE RESULTING ARTICLE IS DRIED TO FORM A PAPER PRODUCT; THE IMPROVEMENT COMPRISING FIBRILLATING THE SAID FIBERS WHEN SAME HAVE A GEL AND AN UNCOLLAPSED STRUCTURE.
References Cited (Backward Citations)
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US2788563A
Cited
US2810646A
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US2790700A
Cited
US2930106A
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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) | 1965-07-30 | 1966-01-29 | 1966-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-30 | 1970-01-29 | 1970-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-30 | 1974-01-29 | 1974-07-31 | $7700.00 | Window Closed / Lapsed |