US3241994A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for making embossed cellulose triacetate fabrics
Assignee: Acordis UK Ltd
•
Filing: 1962-10-10
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Granted: 1966-03-22
•
Expires: 1982-10-10
Abstract
No abstract record available.
Inventors
- 👤 Madaras George William
- 👤 Robinson Cecil Gordon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:38
CPC Classifications
D; D06; D06Q; D06Q1/00; D06Q1/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
A PROCESS FOR PRODUCING AN EMBOSSED CELLULOSE TRIACETATE FABRIC OF IMPROVED WASH-RESISTANCE AND STABILITY WHICH COMPRISES APPLYING TO THE FABRIC AN AQUEOUS EMULSION OF A FILM FORMING ACRYLIC RESIN, DRYING THE FABRIC, EMBOSSING THE DRY FABRIC AND SUBSEQUENTLY SUBJECTING THE EMBOSSED FABRIC TO A HEAT TREATMENT AT A TEMPERATURE BETWEEN ABOUT 130*C. AND 170*C., IN THE SUBSTANTIAL ABSENCE OF LIQUID WATER, WITHOUT SUBSTANTIALLY CHANGING THE STICKING TEMPERATURE OF THE FABRIC.
Claim 2
Dependent Claim
70 words
A PROCESS FOR PRODUCING AN EMBOSSED CELLULOSE TRIACETATE FABRIC OF IMPROVED WASH-RESISTANCE AND STABILITY WHICH COMPRISES APPLYING TO THE FABRIC AN AQUEOUS EMULSION OF A FILM FORMING ACRYLIC RESIN, DRYING THE FABRIC, EMBOSSING THE DRY FABRIC AND SUBSEQUENTLY SUBJECTING THE EMBOSSED FABRIC TO A HEAT TREATMENT AT A TEMPERATURE BETWEEN ABOUT 130*C. AND 170*C., IN THE SUBSTANTIAL ABSENCE OF LIQUID WATER, WITHOUT SUBSTANTIALLY CHANGING THE STICKING TEMPERATURE OF THE FABRIC.
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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) | 1969-03-21 | 1969-09-20 | 1970-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-21 | 1973-09-20 | 1974-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-21 | 1977-09-20 | 1978-03-22 | $7700.00 | Window Closed / Lapsed |