US3047456A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of paper products from fibers wet spun from polymer blends
Assignee: Monsanto Chemicals Ltd
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Filing: 1959-08-10
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Granted: 1962-07-31
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Expires: 1979-08-10
Abstract
No abstract record available.
Inventors
- 👤 Pompelio A Ucci
- 👤 Nealie T Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:17
CPC Classifications
D; D01; D01D; D01D5/00; D01D5/42; D01D5/423; D01D5/04; 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
140 words
A PROCESS FOR THE MANUFACTURE OF A PAPER PRODUCT COMPRISING THE STEPS OF PREPARING WET SPUN FIBERS FROM A SOLUTION CONTAINING A PHYSICAL BLEND OF ABOUT 95 TO 75 PERCENT BY WEIGHT OF A BASE POLYMER OF A LONG CHAIN SYNTHETIC POLYMER FROM WHICH AN ACRYLIC TEXTILE FIBER CAN BE FORMED AND CONTAINING AT LEAST 85 PERCENT BY WEIGHT COMBINED ACRYLONITRILE AND ABOUT 5 TO 25 PERCENT BY WEIGHT OF A MODIFYING POLYMER OF A CELLULOSE LOWER FATTY ACID ESTER OF THE FIBER FORMING TYPE, SAID BLEND BEING CAPABLE OF FORMING A SOLUTION OF AT LEAST 5 PERCENT CONCENTRATION BY WEIGHT IN N,N-DIMETHYLACETAMIDE BEATING SAID FIBERS IN AN AQUEOUS SLURRY TO FIBRILLATE SAME, SHEETING OUT THE BEATEN FIBERS THE RESULTING SHEETED OUT MATERIAL TO FORM A AND DRYING THE RESULTING SHEETED OUT MATERIAL TO FORM A STRONG COHERENT PAPER PRODUCT.
Claim 2
Dependent Claim
140 words
A PROCESS FOR THE MANUFACTURE OF A PAPER PRODUCT COMPRISING THE STEPS OF PREPARING WET SPUN FIBERS FROM A SOLUTION CONTAINING A PHYSICAL BLEND OF ABOUT 95 TO 75 PERCENT BY WEIGHT OF A BASE POLYMER OF A LONG CHAIN SYNTHETIC POLYMER FROM WHICH AN ACRYLIC TEXTILE FIBER CAN BE FORMED AND CONTAINING AT LEAST 85 PERCENT BY WEIGHT COMBINED ACRYLONITRILE AND ABOUT 5 TO 25 PERCENT BY WEIGHT OF A MODIFYING POLYMER OF A CELLULOSE LOWER FATTY ACID ESTER OF THE FIBER FORMING TYPE, SAID BLEND BEING CAPABLE OF FORMING A SOLUTION OF AT LEAST 5 PERCENT CONCENTRATION BY WEIGHT IN N,N-DIMETHYLACETAMIDE BEATING SAID FIBERS IN AN AQUEOUS SLURRY TO FIBRILLATE SAME, SHEETING OUT THE BEATEN FIBERS THE RESULTING SHEETED OUT MATERIAL TO FORM A AND DRYING THE RESULTING SHEETED OUT MATERIAL TO FORM A STRONG COHERENT PAPER PRODUCT.
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) | 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 |