CA951856A - Method of brightening kraft pulps - Google Patents
Method of brightening kraft pulpsInfo
- Publication number
- CA951856A CA951856A CA121,346A CA121346A CA951856A CA 951856 A CA951856 A CA 951856A CA 121346 A CA121346 A CA 121346A CA 951856 A CA951856 A CA 951856A
- Authority
- CA
- Canada
- Prior art keywords
- brightening
- kraft pulps
- pulps
- kraft
- brightening kraft
- Prior art date
- 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
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)
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)
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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