JPS50142806A - - Google Patents
Info
- Publication number
- JPS50142806A JPS50142806A JP50020441A JP2044175A JPS50142806A JP S50142806 A JPS50142806 A JP S50142806A JP 50020441 A JP50020441 A JP 50020441A JP 2044175 A JP2044175 A JP 2044175A JP S50142806 A JPS50142806 A JP S50142806A
- 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.)
- Pending
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
- D21C9/08—Removal of fats, resins, pitch or waxes; Chemical or physical purification, i.e. refining, of crude cellulose by removing non-cellulosic contaminants, optionally combined with bleaching
- D21C9/086—Removal of fats, resins, pitch or waxes; Chemical or physical purification, i.e. refining, of crude cellulose by removing non-cellulosic contaminants, optionally combined with bleaching with organic compounds or compositions comprising organic compounds
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/03—Non-macromolecular organic compounds
- D21H17/05—Non-macromolecular organic compounds containing elements other than carbon and hydrogen only
- D21H17/07—Nitrogen-containing compounds
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/03—Non-macromolecular organic compounds
- D21H17/05—Non-macromolecular organic compounds containing elements other than carbon and hydrogen only
- D21H17/10—Phosphorus-containing compounds
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/02—Agents for preventing deposition on the paper mill equipment, e.g. pitch or slime control
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2408523A DE2408523C3 (de) | 1974-02-22 | 1974-02-22 | Verfahren zur Verhütung von Harzausscheidungen bei der Papierherstellung |
| DE19752500209 DE2500209B2 (de) | 1975-01-03 | 1975-01-03 | Verfahren und mittel zur verhuetung von harzausscheidungen bei der papierherstellung |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS50142806A true JPS50142806A (de) | 1975-11-17 |
Family
ID=25766676
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP50020441A Pending JPS50142806A (de) | 1974-02-22 | 1975-02-20 |
Country Status (9)
| Country | Link |
|---|---|
| JP (1) | JPS50142806A (de) |
| AT (1) | AT341332B (de) |
| CH (1) | CH611361A5 (de) |
| FR (1) | FR2262151B1 (de) |
| GB (1) | GB1467221A (de) |
| IT (1) | IT1031959B (de) |
| NL (1) | NL170165C (de) |
| NO (1) | NO144222C (de) |
| SE (1) | SE415283B (de) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US386046A (en) * | 1888-07-10 | Tebeitoey | ||
| US3837803A (en) * | 1972-07-11 | 1974-09-24 | Betz Laboratories | Orthophosphate corrosion inhibitors and their use |
-
1975
- 1975-02-12 NL NLAANVRAGE7501656,A patent/NL170165C/xx not_active IP Right Cessation
- 1975-02-20 SE SE7501923A patent/SE415283B/xx not_active IP Right Cessation
- 1975-02-20 JP JP50020441A patent/JPS50142806A/ja active Pending
- 1975-02-21 NO NO750592A patent/NO144222C/no unknown
- 1975-02-21 IT IT20536/75A patent/IT1031959B/it active
- 1975-02-21 GB GB738275A patent/GB1467221A/en not_active Expired
- 1975-02-21 AT AT133375A patent/AT341332B/de not_active IP Right Cessation
- 1975-02-21 FR FR7505455A patent/FR2262151B1/fr not_active Expired
- 1975-02-21 CH CH218475A patent/CH611361A5/xx not_active IP Right Cessation
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US386046A (en) * | 1888-07-10 | Tebeitoey | ||
| US3837803A (en) * | 1972-07-11 | 1974-09-24 | Betz Laboratories | Orthophosphate corrosion inhibitors and their use |
Also Published As
| Publication number | Publication date |
|---|---|
| IT1031959B (it) | 1979-05-10 |
| FR2262151B1 (de) | 1978-04-21 |
| SE7501923L (de) | 1975-08-25 |
| NL170165B (nl) | 1982-05-03 |
| NL7501656A (nl) | 1975-08-26 |
| NO144222B (no) | 1981-04-06 |
| GB1467221A (en) | 1977-03-16 |
| ATA133375A (de) | 1977-05-15 |
| NL170165C (nl) | 1982-10-01 |
| SE415283B (sv) | 1980-09-22 |
| FR2262151A1 (de) | 1975-09-19 |
| NO750592L (de) | 1975-08-25 |
| CH611361A5 (en) | 1979-05-31 |
| AT341332B (de) | 1978-02-10 |
| NO144222C (no) | 1981-07-15 |