Process for the continuous dyeing of cellulose fibers or mixtures thereof with synthetic fibers with water-insoluble azo dyestuffs developed on the fiber
Patent 4082504 Issued on April 4, 1978. Estimated Expiration Date: 
April 4, 1995. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
April 4, 1995. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 2460206 3042480 3677695 3698212 Machine for dyeing or other wet-treatment of textiles Process for jet dyeing fibrous articles containing polyester-type synthetic fibers Patent #: 3966406 InventorAssigneeApplicationNo. 720070 filed on 09/02/1976US Classes:8/499, SPRAY-DYEING PROCESS8/152, Piling8/532, Polyester fiber and cellulose fiber8/664, Stabilized or potential diazo compound8/666, Azo developed on the fiber8/918, Cellulose textile68/177, Web or rope pleating in receptacle68/178Conditioning chutesExaminersPrimary: Clingman, A. LionelAttorney, Agent or FirmInternational ClassesC09B 027/00D06B 001/00 Foreign Application Priority Data1975-09-04 DTAbstractProcess for the continuous dyeing of textile material made of cellulose fibers or their mixtures with synthetic fibers in the form of endless ropes by developing water-insoluble azo dyestuffs on the fiber, which comprises impregnating the textile material at first with the alkaline bottoming bath by means of a Venturi tube or a system of Venturi tubes and then, optionally after intermediate rinsing or dwelling, treating the textile material with the acidic developing liquor and aftertreating and finishing it in the usual manner.Other References
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