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US2533100A Expired / Lapsed US ⏱️ 0.0 years remaining

Nylon immunized against dyes by

Assignee: —
•
Filing: —
•
Granted: 1950-12-05
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Expires: 1967-12-05
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Abstract

No abstract record available.

Inventors

No inventors recorded.

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 18:09
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)

US2214405A Cited
US2265119A Cited
US2316949A Cited
GB552015A Cited
US2346826A Cited

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

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