PT69361B - Improved bleaching procedure - Google Patents

Improved bleaching procedure

Info

Publication number: PT69361B
Authority: PT; Portugal
Prior art keywords: improved bleaching; bleaching procedure; procedure; improved; bleaching
Prior art date: 1978-03-30

Application number

PT69361A

Other languages

English (en)

Portuguese (pt)

Other versions

PT69361A (en

Original Assignee

Erco Ind Ltd

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.)

1978-03-30

Filing date

1979-03-16

Publication date

1986-11-13

1979-03-16 Application filed by Erco Ind Ltd filed Critical Erco Ind Ltd

1979-04-01 Publication of PT69361A publication Critical patent/PT69361A/pt

1986-11-13 Publication of PT69361B publication Critical patent/PT69361B/pt

Links

Classifications

- 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
- 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

Landscapes

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

PT69361A 1978-03-30 1979-03-16 Improved bleaching procedure PT69361B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB1243378		1978-03-30

Publications (2)

Publication Number	Publication Date
PT69361A PT69361A (en)	1979-04-01
PT69361B true PT69361B (en)	1986-11-13

Family

ID=10004518

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
PT69361A PT69361B (en)	1978-03-30	1979-03-16	Improved bleaching procedure

Country Status (15)

Country	Link
JP (1)	JPS54134104A (de)
AR (1)	AR220185A1 (de)
AT (1)	AT376249B (de)
AU (1)	AU535076B2 (de)
CA (1)	CA1111607A (de)
CS (1)	CS231164B2 (de)
DE (1)	DE2911334A1 (de)
ES (1)	ES479062A1 (de)
FI (1)	FI791065A (de)
FR (1)	FR2421242A1 (de)
NZ (1)	NZ189914A (de)
PL (1)	PL116704B1 (de)
PT (1)	PT69361B (de)
SE (1)	SE7902741L (de)
ZA (1)	ZA791174B (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4409066A (en) *	1978-03-30	1983-10-11	Erco Industries Limited	Bleaching procedure using chlorine dioxide and chlorine solutions
US4325783A (en)	1978-03-30	1982-04-20	Erco Industries Limited	Bleaching procedure using chlorine dioxide and chlorine solutions
CA1120660A (en) *	1979-04-16	1982-03-30	Douglas W. Reeve	Bleaching sequence
US4406736A (en) *	1979-11-29	1983-09-27	Erco Industries Limited	Method of bleaching pulp with an aqueous solution of chlorine dioxide and chlorine followed by a chlorine solution
US4421598A (en) *	1981-08-17	1983-12-20	Erco Industries Limited	Bleaching procedure using chlorine dioxide and chlorine solutions

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
USRE28884E (en) *	1965-06-28	1976-06-29	Hooker Chemicals & Plastics Corporation	Woodpulp bleaching process
CA926056A (en) *	1966-01-10	1973-05-15	C. Logan Kenneth	Process of bleaching woodpulp

1979
- 1979-03-13 ZA ZA791174A patent/ZA791174B/xx unknown
- 1979-03-15 NZ NZ189914A patent/NZ189914A/xx unknown
- 1979-03-16 PT PT69361A patent/PT69361B/pt unknown
- 1979-03-19 AR AR275865A patent/AR220185A1/es active
- 1979-03-21 CA CA323,926A patent/CA1111607A/en not_active Expired
- 1979-03-22 DE DE19792911334 patent/DE2911334A1/de not_active Withdrawn
- 1979-03-27 SE SE7902741A patent/SE7902741L/ unknown
- 1979-03-29 CS CS792099A patent/CS231164B2/cs unknown
- 1979-03-29 FR FR7907973A patent/FR2421242A1/fr active Granted
- 1979-03-29 AU AU45574/79A patent/AU535076B2/en not_active Ceased
- 1979-03-29 ES ES479062A patent/ES479062A1/es not_active Expired
- 1979-03-30 JP JP3718279A patent/JPS54134104A/ja active Pending
- 1979-03-30 AT AT0239479A patent/AT376249B/de not_active IP Right Cessation
- 1979-03-30 FI FI791065A patent/FI791065A/fi not_active Application Discontinuation
- 1979-03-30 PL PL1979214517A patent/PL116704B1/pl unknown

Also Published As

Publication number	Publication date
PL116704B1 (en)	1981-06-30
CS231164B2 (en)	1984-10-15
NZ189914A (en)	1981-07-13
ES479062A1 (es)	1979-07-01
FR2421242B1 (de)	1985-04-26
AR220185A1 (es)	1980-10-15
ATA239479A (de)	1984-03-15
AT376249B (de)	1984-10-25
FI791065A (fi)	1979-10-01
SE7902741L (sv)	1979-10-01
AU535076B2 (en)	1984-03-01
CA1111607A (en)	1981-11-03
JPS54134104A (en)	1979-10-18
PT69361A (en)	1979-04-01
DE2911334A1 (de)	1979-10-18
FR2421242A1 (fr)	1979-10-26
PL214517A1 (de)	1979-12-03
AU4557479A (en)	1979-10-04
ZA791174B (en)	1980-10-29

Publication	Publication Date	Title
JPS5518693A (en)	1980-02-08	Improved electrooopticallmodulator
GB2018318B (en)	1982-10-20	Bleaching composition
CS333379A2 (en)	1988-04-15	Upinaci zarizeni
CS290179A2 (en)	1984-01-16	Plynova vybojka
PH14242A (en)	1981-04-09	Alkylthiophenoxyalkylamines
PT69361A (en)	1979-04-01	Improved bleaching procedure
GB2012579B (en)	1982-11-24	Clothes airers
GB2030609B (en)	1983-05-05	Bleaching composition
GB2073268B (en)	1982-11-10	Bleaching composition
JPS5545670A (en)	1980-03-31	Ttoctylsilicon peroxide
JPS54125776A (en)	1979-09-29	Bleaching composition
JPS54125777A (en)	1979-09-29	Bleaching composition
JPS55164299A (en)	1980-12-20	Bleaching assistant
JPS5566398A (en)	1980-05-19	Hydroextractor
JPS54138744A (en)	1979-10-27	Antiielectricity clothes
CS556679A2 (en)	1985-08-15	Zpusob vyroby derivatu chlorambucilu
BG31541A1 (en)	1982-02-15	Ornitopter
IE782201L (en)	1979-05-09	Bleaching composition
JPS54125775A (en)	1979-09-29	Bleaching composition
CA44301S (en)	1978-10-02	Hairsetter
CA43944S (en)	1978-07-24	Compositiontable
GR60631B (en)	1978-07-06	Clothes-lines
JPS54150782A (en)	1979-11-27	Hydroextractor
JPS5563692A (en)	1980-05-13	Hydroextractor
JPS5464107A (en)	1979-05-23	Pulper