Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
FMC Corp
Original Assignee
FMC Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by FMC CorpfiledCriticalFMC Corp
Priority to ES403096ApriorityCriticalpatent/ES403096A3/en
Publication of ES403096A3publicationCriticalpatent/ES403096A3/en
Process for cold-bleaching cotton fibers, moistening the fibers with a bleach comprising an alkaline aqueous solution of hydrogen peroxide, allowing them to stand in the wetted state at temperatures of the order of 10ºC to 49º c, in which process the absorbency of said fibers of cotton is usually diminished by this treatment; characterized in that it comprises using as a bleaching bath an alkaline aqueous solution of hydrogen peroxide, which contains as an essential component a dipersulfate of the group consisting of alkali metal dipersulfates and ammonium dipersulfate, whereby the absorbency of said cotton fibers is not reduced materially. (Machine-translation by Google Translate, not legally binding)
ES403096A1972-05-231972-05-23Procedure for bleaching cotton fibers. (Machine-translation by Google Translate, not legally binding)
ExpiredES403096A3
(en)
A continuous procedure for the purga, desencolado and whitening of cotton, by chemicals, oxidizers and vaporization (Machine-translation by Google Translate, not legally binding)
A procedure for the manufacture of cotton articles or yarns of mixture of cotton and wool of whitened cellulose hydrofiles. (Machine-translation by Google Translate, not legally binding)
A procedure for the bleaching of textile materials with a whitening solution containing alkaline and alkaline cererites. (Machine-translation by Google Translate, not legally binding)