US2899341A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Textile finishing process
Assignee: —
•
Filing: —
•
Granted: 1959-08-11
•
Expires: 1976-08-11
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:47
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/10; D06M13/144; D06M13/148; D06M15/00; D06M15/19; D06M15/21; D06M15/327; D06M15/333; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2933; Y10T428/2964; Y10T428/2967; Y10T428/2969; Y10T428/31504; Y10T428/31725; Y10T428/31739; Y10T428/31743; Y10T442/00; Y10T442/20; Y10T442/2361; Y10T442/2861; Y10T442/2893
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
57 words
A PROCESS FOR IMPARTING A DURABLE STIFF FINISH TO POLYAMIDE TEXTILE WITH AND AQUEOUS SOLUTION CONSISTING ESSAID MATERIALS WITH AN AQUEOUS SOLUTION CONSISTING ESSENTIALLY OF THE AMMONIUM SALT OF AN ACRYLIC ACID HOMOPOLYMER, WATER, AND A POLYHYDRIC ALCOHOL, REMOVING EXCESS SOLUTION FROM THE FABRIC, AND DRYING AND HEATING THE IMPREGNATED MATERIAL AT AN ELEVATED TEMPERATURE ABOVE 150*C.
Claim 2
Dependent Claim
57 words
A PROCESS FOR IMPARTING A DURABLE STIFF FINISH TO POLYAMIDE TEXTILE WITH AND AQUEOUS SOLUTION CONSISTING ESSAID MATERIALS WITH AN AQUEOUS SOLUTION CONSISTING ESSENTIALLY OF THE AMMONIUM SALT OF AN ACRYLIC ACID HOMOPOLYMER, WATER, AND A POLYHYDRIC ALCOHOL, REMOVING EXCESS SOLUTION FROM THE FABRIC, AND DRYING AND HEATING THE IMPREGNATED MATERIAL AT AN ELEVATED TEMPERATURE ABOVE 150*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) | 1962-08-10 | 1963-02-09 | 1963-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-10 | 1967-02-09 | 1967-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-10 | 1971-02-09 | 1971-08-11 | $7700.00 | Window Closed / Lapsed |