US3323944A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process and composition for improving the mechanical properties of flameproofed cellulosic textile materials
Assignee: Kuhlmann SA
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Filing: 1964-02-27
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Granted: 1967-06-06
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Expires: 1984-02-27
Abstract
No abstract record available.
Inventors
- 👤 Senez Claude Jean Michel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:14
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/21; D06M15/227; D06M11/00; D06M11/68; D06M15/37; D06M15/667; D06M15/673; Y; Y10; Y10S; Y10S428/00; Y10S428/92; Y10S428/921
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
IN THE TREATMENT OF CELLULOSE TEXTILE MATERIAL WITH AN AMINATED FLAMEPROOFING AGENT DERIVED FROM A PHOSPHONITRILE CHLORIDE THE IMPROVEMENT WHICH COMPRISES IMPREGNATING THE MATERIAL IN AN AQUEOUS BATH OF THE FLAMEPROOFING AGENT CONTAINING AN AQUEOUS DISPERSION OF POLYETHYLENE, SAID POLYETHYLENE BEING PRESENT IN AN AMOUNT SUFFICIENT TO PREVENT LOSS OF RESISTANCE TO TEARING OF THE FLAMEPROOFED CELLULOSIC TEXTILE MATERIAL, THE AMOUNT OF POLYETHYLENE BEING FROM 2 TO 20 GRAMS PER LITRE OF BATH, AND SUBJECTING THE TEXTILE MATERIAL TO A HEAT TREATMENT BETWEEN 120*C. AND 230*C.
Claim 2
Dependent Claim
86 words
IN THE TREATMENT OF CELLULOSE TEXTILE MATERIAL WITH AN AMINATED FLAMEPROOFING AGENT DERIVED FROM A PHOSPHONITRILE CHLORIDE THE IMPROVEMENT WHICH COMPRISES IMPREGNATING THE MATERIAL IN AN AQUEOUS BATH OF THE FLAMEPROOFING AGENT CONTAINING AN AQUEOUS DISPERSION OF POLYETHYLENE, SAID POLYETHYLENE BEING PRESENT IN AN AMOUNT SUFFICIENT TO PREVENT LOSS OF RESISTANCE TO TEARING OF THE FLAMEPROOFED CELLULOSIC TEXTILE MATERIAL, THE AMOUNT OF POLYETHYLENE BEING FROM 2 TO 20 GRAMS PER LITRE OF BATH, AND SUBJECTING THE TEXTILE MATERIAL TO A HEAT TREATMENT BETWEEN 120*C. AND 230*C.
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) | 1970-06-05 | 1970-12-05 | 1971-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-05 | 1974-12-05 | 1975-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-05 | 1978-12-05 | 1979-06-06 | $7700.00 | Window Closed / Lapsed |