CH273962A - Procédé de blanchiment. - Google Patents

Procédé de blanchiment.

Info

Publication number: CH273962A
Authority: CH; Switzerland
Prior art keywords: bleaching process; bleaching
Prior art date: 1938-09-12

Application number

Other languages

English (en)

Inventor

Works The Mathieson Alkali

Original Assignee

Mathieson Alkali Works

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.)

1938-09-12

Filing date

1947-08-27

Publication date

1951-03-15

1947-08-27 Application filed by Mathieson Alkali Works filed Critical Mathieson Alkali Works

1951-03-15 Publication of CH273962A publication Critical patent/CH273962A/fr

Classifications

- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
- D06L4/00—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs
- D06L4/20—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which contain halogen
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
- D06L4/00—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs
- D06L4/20—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which contain halogen
- D06L4/22—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which contain halogen using inorganic agents
- D06L4/24—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs using agents which contain halogen using inorganic agents using chlorites or chlorine dioxide
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/10—Bleaching ; Apparatus therefor
- D21C9/12—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds
- D21C9/14—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites

Landscapes

Engineering & Computer Science (AREA)
Textile Engineering (AREA)
Life Sciences & Earth Sciences (AREA)
Wood Science & Technology (AREA)
Chemical & Material Sciences (AREA)
Inorganic Chemistry (AREA)
Paper (AREA)

CH273962D 1938-09-12 1947-08-27 Procédé de blanchiment. CH273962A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US229601A US2166330A (en)	1938-09-12	1938-09-12	Method of bleaching

Publications (1)

Publication Number	Publication Date
CH273962A true CH273962A (fr)	1951-03-15

Family

ID=22861931

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CH273962D CH273962A (fr)	1938-09-12	1947-08-27	Procédé de blanchiment.

Country Status (2)

Country	Link
US (1)	US2166330A (fr)
CH (1)	CH273962A (fr)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2468771A (en) *	1944-04-03	1949-05-03	Univ Minnesota	Process of preparing fibers and yarns
US2513788A (en) *	1947-01-31	1950-07-04	Brown Co	Bleaching of sulfate wood pulp
US2587064A (en) *	1949-03-09	1952-02-26	Int Paper Canada	Method of bleaching wood pulp
US2741537A (en) *	1952-03-26	1956-04-10	Olin Mathieson	Available chlorine single-stage bleaching of sulfate pulp
BE518419A (fr) *	1952-03-26
US2799580A (en) *	1953-11-25	1957-07-16	M H Treadwell Co Inc	Process for the disincrustation of fibrous vegetable materials
US2903326A (en) *	1956-10-17	1959-09-08	Pennsalt Chemicals Corp	Improved process for bleaching cellulose pulp using chlorate
US3061504A (en) *	1960-03-21	1962-10-30	Int Paper Canada	Method of removing resin from wood pulp
US3269891A (en) *	1965-08-31	1966-08-30	American Cyanamid Co	Fixing dry strength resin on fibers by alum in the presence of a buffer
US3632469A (en) *	1969-06-05	1972-01-04	Ethyl Corp	Process for the manufacture of dissolving grade pulp
US4039374A (en) *	1975-08-29	1977-08-02	Union Camp Corporation	Bleaching of cellulosic pulp fibers with chlorine dioxide in the presence of a vanadium compound
US4199399A (en) *	1976-04-19	1980-04-22	Process Evaluation & Development Corp.	Method for preparing bagasse dissolving pulps and producing rayon having a degree of polymerization of at least 800 therefrom
US4325783A (en) *	1978-03-30	1982-04-20	Erco Industries Limited	Bleaching procedure using chlorine dioxide and chlorine solutions
US4299653A (en) *	1979-04-16	1981-11-10	Erco Industries Limited	Method of bleaching pulp with an aqueous solution of chlorine dioxide and chlorine followed by a chlorine solution
US20060201642A1 (en) *	2005-03-08	2006-09-14	Andritz Inc.	Methods of treating chemical cellulose pulp

1938
- 1938-09-12 US US229601A patent/US2166330A/en not_active Expired - Lifetime
1947
- 1947-08-27 CH CH273962D patent/CH273962A/fr unknown

Also Published As

Publication number	Publication date
US2166330A (en)	1939-07-18

Publication	Publication Date	Title
FR50403E (fr)	1940-06-05	Procédé de modulation pour émetteur de t.s.f.
CH273962A (fr)	1951-03-15	Procédé de blanchiment.
FR849407A (fr)	1939-11-23	Procédé de diazotypie
CH205252A (fr)	1939-06-15	Procédé de brasage.
FR860388A (fr)	1941-01-13	Procédé de matage
FR844496A (fr)	1939-07-26	Procédé de télécinématographie
FR853669A (fr)	1940-03-26	Procédé de matage
FR841626A (fr)	1939-05-24	Procédé perfectionné de panification
FR841605A (fr)	1939-05-24	Procédé de télévision
FR872223A (fr)	1942-06-02	Procédé de teinture
FR848934A (fr)	1939-11-09	Procédé de désherbage
FR850210A (fr)	1939-12-11	Procédé de polymérisation
FR850563A (fr)	1939-12-20	Procédé de saccharification de céréales
FR847553A (fr)	1939-10-12	Procédé de marquage
FR849456A (fr)	1939-11-24	Procédé de cracking
FR860758A (fr)	1941-01-23	Procédé de chloruration du 2-chlorobutylène-2
FR841172A (fr)	1939-05-12	Procédé de réfrigération
DK56560C (da)	1939-08-21	Vaskemaskine.
DK64372C (da)	1946-04-01	Vaskemaskine.
DK56403C (da)	1939-07-10	Vaskemaskine.
FR834210A (fr)	1938-11-16	Procédé de dessin, en relief
DK58574C (da)	1941-04-07	Formemaskine.
FR868151A (fr)	1941-12-23	Procédé de modulation
CH203163A (de)	1939-02-28	Zeichenapparat.
FR851968A (fr)	1940-01-19	Procédé de métallisation