JPS4892603A - - Google Patents
Info
- Publication number
- JPS4892603A JPS4892603A JP1209473A JP1209473A JPS4892603A JP S4892603 A JPS4892603 A JP S4892603A JP 1209473 A JP1209473 A JP 1209473A JP 1209473 A JP1209473 A JP 1209473A JP S4892603 A JPS4892603 A JP S4892603A
- Authority
- JP
- Japan
- 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.)
- Granted
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
- D21C11/00—Regeneration of pulp liquors or effluent waste waters
- D21C11/02—Regeneration of pulp liquors or effluent waste waters of acid, neutral or alkaline sulfite lye
Landscapes
- Paper (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US22711572A | 1972-02-17 | 1972-02-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4892603A true JPS4892603A (it) | 1973-12-01 |
| JPS5149002B2 JPS5149002B2 (it) | 1976-12-24 |
Family
ID=22851798
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1209473A Expired JPS5149002B2 (it) | 1972-02-17 | 1973-01-31 |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPS5149002B2 (it) |
| CA (1) | CA1004412A (it) |
| DE (1) | DE2247600A1 (it) |
| IT (1) | IT973220B (it) |
-
1972
- 1972-09-28 DE DE19722247600 patent/DE2247600A1/de active Pending
- 1972-12-29 IT IT3394872A patent/IT973220B/it active
-
1973
- 1973-01-31 JP JP1209473A patent/JPS5149002B2/ja not_active Expired
- 1973-02-16 CA CA163,880A patent/CA1004412A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| IT973220B (it) | 1974-06-10 |
| JPS5149002B2 (it) | 1976-12-24 |
| CA1004412A (en) | 1977-02-01 |
| DE2247600A1 (de) | 1973-08-23 |