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The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 5858285 B1

PDFFull Text
Date of Patent:
Jan. 12, 1999

Filed:

Apr. 15, 1997

Process for the production of an aqueous solution of a tertiary

Applicant:
Inventors:

Johann Manner, Weyregg, AT;

Heinrich Firgo, Vocklabruck, AT;

Bruno Mangeng, Seewalchen, AT;

Eduard Mulleder, Linz, AT;

Wolfram Kalt, Lenzing, AT;

Assignee:

Lenzing Aktiengesellschaft, Lenzing, AT;

Attorney:

Baker & Botts LLP

Primary Examiner:

Leo B Tentoni

Int. Cl.
CPC ...
D01F / ; D01F / ;
U.S. Cl.
CPC ...
264 372 ; 264187 ;
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.

Find Patent Forward Citations

Manner, Johann. (1999). Process for the production of an aqueous solution of a tertiary (U.S. Patent No. 5858285). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5858285

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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