NL32265C - - Google Patents
Info
- Publication number
- NL32265C NL32265C NL32265DA NL32265C NL 32265 C NL32265 C NL 32265C NL 32265D A NL32265D A NL 32265DA NL 32265 C NL32265 C NL 32265C
- Authority
- NL
- Netherlands
Links
Classifications
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- 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
- D21C11/0007—Recovery of by-products, i.e. compounds other than those necessary for pulping, for multiple uses or not otherwise provided for
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- 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
- D21C3/00—Pulping cellulose-containing materials
- D21C3/04—Pulping cellulose-containing materials with acids, acid salts or acid anhydrides
- D21C3/06—Pulping cellulose-containing materials with acids, acid salts or acid anhydrides sulfur dioxide; sulfurous acid; bisulfites sulfites
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DESCH94891D DE588577C (en) | 1931-07-29 | 1931-07-29 | Process for the production of semi-pulp from straw, grass or similar plant matter |
Publications (1)
Publication Number | Publication Date |
---|---|
NL32265C true NL32265C (en) |
Family
ID=7445494
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL32265D NL32265C (en) | 1931-07-29 |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE588577C (en) |
NL (1) | NL32265C (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE748949C (en) * | 1938-01-26 | 1944-11-14 | Margarete Possanner Von Ehrent | Process for producing semi-pulp or cellulose |
DE967724C (en) * | 1949-06-01 | 1957-12-05 | Inst Internat Financier | Process for the treatment of the waste liquors resulting from the digestion of cellulosic materials |
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0
- NL NL32265D patent/NL32265C/xx active
-
1931
- 1931-07-29 DE DESCH94891D patent/DE588577C/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE588577C (en) | 1933-11-24 |