CA951856A - Method of brightening kraft pulps - Google Patents

Method of brightening kraft pulps

Info

Publication number: CA951856A
Authority: CA; Canada
Prior art keywords: brightening; kraft pulps; pulps; kraft; brightening kraft
Prior art date: 1970-09-15
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.): Expired

Application number

CA121,346A

Other languages

English (en)

Other versions

CA121346S (en

Inventor

Joseph A. Meyers (Iii)

Robert M. Lincoln

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.)

Atlantic Richfield Co

Original Assignee

Atlantic Richfield Co

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.)

1970-09-15

Filing date

1971-08-25

Publication date

1974-07-30

1971-08-25 Application filed by Atlantic Richfield Co filed Critical Atlantic Richfield Co

1974-07-30 Application granted granted Critical

1974-07-30 Publication of CA951856A publication Critical patent/CA951856A/en

Status Expired legal-status Critical Current

Links

238000005282 brightening Methods 0.000 title 1
239000002655 kraft paper Substances 0.000 title 1
238000000034 method Methods 0.000 title 1

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
- D21C9/16—Bleaching ; Apparatus therefor with per compounds
- D21C9/163—Bleaching ; Apparatus therefor with per compounds with peroxides

Landscapes

Life Sciences & Earth Sciences (AREA)
Engineering & Computer Science (AREA)
Wood Science & Technology (AREA)
Paper (AREA)

CA121,346A 1970-09-15 1971-08-25 Method of brightening kraft pulps Expired CA951856A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US7249170A	1970-09-15	1970-09-15

Publications (1)

Publication Number	Publication Date
CA951856A true CA951856A (en)	1974-07-30

Family

ID=22107940

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA121,346A Expired CA951856A (en)	1970-09-15	1971-08-25	Method of brightening kraft pulps

Country Status (10)

Country	Link
US (1)	US3707438A (xx)
BE (1)	BE772260A (xx)
BR (1)	BR7105955D0 (xx)
CA (1)	CA951856A (xx)
DE (1)	DE2145212A1 (xx)
ES (1)	ES394982A1 (xx)
FR (1)	FR2107366A5 (xx)
GB (1)	GB1318131A (xx)
IT (1)	IT939406B (xx)
NL (1)	NL7112585A (xx)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2219505C3 (de) *	1972-04-21	1974-10-17	Deutsche Gold- Und Silber-Scheideanstalt Vormals Roessler, 6000 Frankfurt	Chlorfreie Mehrstufenbleiche von Zellstoff
US4797010A (en) *	1987-09-22	1989-01-10	Nabisco Brands, Inc.	Reheatable, resealable package for fried food

1970
- 1970-09-15 US US72491A patent/US3707438A/en not_active Expired - Lifetime
1971
- 1971-08-25 CA CA121,346A patent/CA951856A/en not_active Expired
- 1971-08-26 GB GB4017271A patent/GB1318131A/en not_active Expired
- 1971-09-07 BE BE772260A patent/BE772260A/xx unknown
- 1971-09-07 FR FR7132272A patent/FR2107366A5/fr not_active Expired
- 1971-09-09 DE DE19712145212 patent/DE2145212A1/de active Pending
- 1971-09-10 IT IT52813/71A patent/IT939406B/it active
- 1971-09-10 BR BR5955/71A patent/BR7105955D0/pt unknown
- 1971-09-10 ES ES394982A patent/ES394982A1/es not_active Expired
- 1971-09-13 NL NL7112585A patent/NL7112585A/xx unknown

Also Published As

Publication number	Publication date
GB1318131A (en)	1973-05-23
DE2145212A1 (de)	1972-05-25
FR2107366A5 (xx)	1972-05-05
IT939406B (it)	1973-02-10
BR7105955D0 (pt)	1973-05-31
BE772260A (fr)	1972-03-06
NL7112585A (xx)	1972-03-17
ES394982A1 (es)	1974-03-16
US3707438A (en)	1972-12-26

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