US2533100A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nylon immunized against dyes by
Assignee: —
•
Filing: —
•
Granted: 1950-12-05
•
Expires: 1967-12-05
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:48
CPC Classifications
D; D06; D06M; D06M11/00; D06M11/51; D06M11/55; D06M13/00; D06M13/244; D06M13/248; D06M13/256; D06M11/32; D06M11/36; D06M11/38; D06M11/58; D06M11/64; D06M15/00; D06M15/19; D06M15/37; D06M15/643; D06P; D06P1/00; D06P1/44; D06P1/64; D06P1/642; D06P3/00; D06P3/02; D06P3/04; D06P3/24; Y; Y10; Y10S; Y10S8/00; Y10S8/21
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
A PROCESS FOR MODIFYING THE TINCTORIAL PROPERTIES OF TEXTILE MATERIAL MANUFACTURED FROM SYNTHETIC LINEAR POLYAMIDES, WHICH COMPRISES THE STEP OF TREATING SUCH MATERIAL FOR ABOUT 10 TO 30 MINUTES OF 90 TO 100*C. WITH AN AQUEOUS ALKALINE SOLUTION OF A WATER-SOLUBLE MEMBER OF THE GROUP CONSISTING OF SULFURIZED PHENOLS CONTAINING FROM 26 TO 40% OF SULFUR ATTACHED TO THE MOLECULE AND THE MATAL SALTS, METAL COMPLEXES AND REDUCTION PRODUCTS THEREOF.
Claim 2
Dependent Claim
70 words
A PROCESS FOR MODIFYING THE TINCTORIAL PROPERTIES OF TEXTILE MATERIAL MANUFACTURED FROM SYNTHETIC LINEAR POLYAMIDES, WHICH COMPRISES THE STEP OF TREATING SUCH MATERIAL FOR ABOUT 10 TO 30 MINUTES OF 90 TO 100*C. WITH AN AQUEOUS ALKALINE SOLUTION OF A WATER-SOLUBLE MEMBER OF THE GROUP CONSISTING OF SULFURIZED PHENOLS CONTAINING FROM 26 TO 40% OF SULFUR ATTACHED TO THE MOLECULE AND THE MATAL SALTS, METAL COMPLEXES AND REDUCTION PRODUCTS THEREOF.
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) | 1953-12-04 | 1954-06-05 | 1954-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-04 | 1958-06-05 | 1958-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-04 | 1962-06-05 | 1962-12-05 | $7700.00 | Window Closed / Lapsed |