Process for the production of an aqueous solution of a tertiary

Details Process for the production of an aqueous solution of a tertiary Process for the production of an aqueous solution of a tertiary

1997-04-15

1999-01-12

Tentoni, Leo B.

Plastic and nonmetallic article shaping or treating: processes

Recycling of reclaimed or purified process material

Of excess fiber or filament

264187, D01F 202, D01F 1302

Patent

active

058582851

ABSTRACT:
The invention is concerned with a process for the production of an aqueous amine-oxide solution used in the amine-oxide process for the production of a mouldable cellulose solution, wherein aqueous, amine-oxide containing solutions produced in said amine-oxide process particularly as precipitation baths are purified and concentrated, characterized in that a microbiocide agent is added to said aqueous, amine-oxide containing solutions before, during or after purification.

REFERENCES:
patent: 5628941 (1997-05-01), Kalt et al.
Stupavska, Act Fac. Rer. Nat. Univ. Comen. Chimia., 1980 pp. 85-101.
Firgo et al., Lenzinger Berichte, vol. 9, Sep. 1994, pp. 80-88.
Abstract of E.P.O. 356,419 (Published Feb. 28, 1990).
Abstract of E.P.O. 553,070 (Published Jul. 28, 1993).
Abstract of WO97/7268 (Published Feb. 27, 1997).

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