← Back to Patent Explorer
US3098690A Expired / Lapsed US ⏱️ 0.0 years remaining

Process fok union dyeing of acryloni-

Assignee: —
•
Filing: —
•
Granted: 1963-07-23
•
Expires: 1980-07-23
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

No inventors recorded.

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 04:57
CPC Classifications
D; D06; D06P; D06P3/00; D06P3/34; D06P3/52; D06P3/54; D01; D01F; D01F6/00; D01F6/02; D01F6/18; D01F6/44; D01F6/54; D01F6/88; D01F6/90; D06P1/00; D06P1/44; D06P1/52; D06P1/5207; D06P1/5214; D06P1/5242; D06P3/02; D06P3/04; D06P3/24; D06P3/82; D06P3/8204; Y; Y10; Y10S; Y10S8/00; Y10S8/90; Y10S8/901; Y10S8/906; Y10S8/907; Y10S8/916; Y10S8/917; Y10S8/92; Y10S8/924

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 147 words
A METHOD OF UNION DYEING BLENDS OF FIBERS COMPRISING ACRYLONITRILE FIBERS OF BLENDED POLYMERS CONTAINING AT LEAST 80% BY WEIGHT ACRYLONITRILE IN POLYMERIC FORM AND FROM 2 TO 10% OF A VINYLPYRIDINE-IN POLYMERIC FORM WITH OTHER BASIC NITROGENEOUS FIBERS SELECTED FROM THE GROUP CONSISTING OF WOOL FIBERS, REGENERATED PROTEIN FIBERS, POLYAMIDE FIBERS, AND MIXTURES THEREOF WHICH COMPRISES SUBJECTING THE BLEND TO THE ACTION OF A DYEBATH CONTAINING A WOOL DYE SELECTED FROM THE GROUP CONSISTING OF LEVEL DYEING ACID DYES, CHROME DYES, METALLIZED ACID DYES, WEAK ACID DYES, AND PRE-METALLIZED NEUTRAL DYES, SULPHURIC ACID, A CATIONIC SURFACE ACTIVE AGENT AND A NON-IONIC SURFACE ACTIVE AGENT SELECTED FROM THE GROUP CONSISTING OF CONDENSATION PRODUCTS OF POLYGLYCOLS WITH HIGHER FATTY ACIDS, CONDENSATION PRODUCTS OF POLYGLYCOLS WITH HIGHER FATTY ALCOHOLS, CONDENSATION PRODUCTS OF POLYGLYCOLS WITH AMIDES OF HIGHER FATTY ACIDS, AND CONDENSATION PRODUCTS OF POLYGLYCOLS WITH LONG-CHAIN ALKYL SUBSTITUTED PHENOLS.
Claim 2
Independent Claim 147 words
A METHOD OF UNION DYEING BLENDS OF FIBERS COMPRISING ACRYLONITRILE FIBERS OF BLENDED POLYMERS CONTAINING AT LEAST 80% BY WEIGHT ACRYLONITRILE IN POLYMERIC FORM AND FROM 2 TO 10% OF A VINYLPYRIDINE-IN POLYMERIC FORM WITH OTHER BASIC NITROGENEOUS FIBERS SELECTED FROM THE GROUP CONSISTING OF WOOL FIBERS, REGENERATED PROTEIN FIBERS, POLYAMIDE FIBERS, AND MIXTURES THEREOF WHICH COMPRISES SUBJECTING THE BLEND TO THE ACTION OF A DYEBATH CONTAINING A WOOL DYE SELECTED FROM THE GROUP CONSISTING OF LEVEL DYEING ACID DYES, CHROME DYES, METALLIZED ACID DYES, WEAK ACID DYES, AND PRE-METALLIZED NEUTRAL DYES, SULPHURIC ACID, A CATIONIC SURFACE ACTIVE AGENT AND A NON-IONIC SURFACE ACTIVE AGENT SELECTED FROM THE GROUP CONSISTING OF CONDENSATION PRODUCTS OF POLYGLYCOLS WITH HIGHER FATTY ACIDS, CONDENSATION PRODUCTS OF POLYGLYCOLS WITH HIGHER FATTY ALCOHOLS, CONDENSATION PRODUCTS OF POLYGLYCOLS WITH AMIDES OF HIGHER FATTY ACIDS, AND CONDENSATION PRODUCTS OF POLYGLYCOLS WITH LONG-CHAIN ALKYL SUBSTITUTED PHENOLS.

References Cited (Backward Citations)

US2083181A Cited
US2254965A Cited
US2228369A Cited
GB526760A Cited
US2336221A Cited
US2628152A Cited
US2746836A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1966-07-22 1967-01-21 1967-07-23 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1970-07-22 1971-01-21 1971-07-23 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1974-07-22 1975-01-21 1975-07-23 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag