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.)
Akzo Nobel UK PLC
Original Assignee
Courtaulds PLC
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Filing date
Publication date
Application filed by Courtaulds PLCfiledCriticalCourtaulds PLC
Priority to ES0265273ApriorityCriticalpatent/ES265273A1/en
Publication of ES265273A1publicationCriticalpatent/ES265273A1/en
Process for the modification of cellulose fibers, characterized by comprising drying and heating the fibers after impregnation with an aqueous liquid containing formaldehyde, a product that is a condensation product, soluble in water, of formaldehyde, with a nitrogen compound or a water-soluble alkyl ether of said condensation product; said nitrogen compound contains at least two nitrogen atoms, each of which carries at least one hydrogen atom and each of these bears hydrogen atoms directly coupled to a carbon atom which, in turn, is directly coupled to another nitrogen atom, and a salt of a Group II metal with a monobasic acid that is at least 50% ionized in normal aqueous solution at 18º C; the salt and formaldehyde are present in a molar ratio of at least 1 to 12. (Machine-translation by Google Translate, not legally binding)
ES0265273A1961-02-281961-02-28Procedure for the modification of cellulose fibers (Machine-translation by Google Translate, not legally binding)
ExpiredES265273A1
(en)
Procedure for the obtaining of phosphoric acid based on aqueous solutions containing nitric acid and phosphoric acid. (Machine-translation by Google Translate, not legally binding)
Procedure for performing the reaction of cellulose, in fibers or otherwise, with formaldehyde (Machine-translation by Google Translate, not legally binding)
Procedure for the treatment of textiles, in particular textiles based on cellulose fibers (Machine-translation by Google Translate, not legally binding)
A procedure for preparing derivatives of 10,11-dihydro-5- [h] -dibenzo- [a, b] -ciclohepteno (Machine-translation by Google Translate, not legally binding)
Procedure for performing the reaction of cellulose, in fibers or otherwise, with formaldehyde (Machine-translation by Google Translate, not legally binding)
Procedure for the manufacture of polyvinyl alcohol threads resistant to boiling and high temperatures (Machine-translation by Google Translate, not legally binding)