FI45578B - - Google Patents
Info
- Publication number
- FI45578B FI45578B FI200661A FI200661A FI45578B FI 45578 B FI45578 B FI 45578B FI 200661 A FI200661 A FI 200661A FI 200661 A FI200661 A FI 200661A FI 45578 B FI45578 B FI 45578B
- Authority
- FI
- Finland
Links
Classifications
-
- 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
- D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
- D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
- D21H23/04—Addition to the pulp; After-treatment of added substances in the pulp
- D21H23/06—Controlling the addition
- D21H23/14—Controlling the addition by selecting point of addition or time of contact between components
- D21H23/18—Addition at a location where shear forces are avoided before sheet-forming, e.g. after pulp beating or refining
-
- 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
- D21H17/60—Waxes
-
- 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
- D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE1126560 | 1960-11-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FI45578B true FI45578B (it) | 1972-04-04 |
Family
ID=20293639
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI200661A FI45578B (it) | 1960-11-22 | 1961-11-16 |
Country Status (8)
| Country | Link |
|---|---|
| AT (1) | AT257342B (it) |
| CH (1) | CH403464A (it) |
| DE (1) | DE1201674B (it) |
| DK (1) | DK106776C (it) |
| FI (1) | FI45578B (it) |
| GB (1) | GB1007840A (it) |
| NL (1) | NL271290A (it) |
| NO (1) | NO117955B (it) |
-
0
- NL NL271290D patent/NL271290A/xx unknown
-
1961
- 1961-11-10 NO NO14211861A patent/NO117955B/no unknown
- 1961-11-13 DE DES76666A patent/DE1201674B/de active Pending
- 1961-11-15 GB GB4092961A patent/GB1007840A/en not_active Expired
- 1961-11-16 FI FI200661A patent/FI45578B/fi active
- 1961-11-18 CH CH1342661A patent/CH403464A/de unknown
- 1961-11-20 AT AT872761A patent/AT257342B/de active
- 1961-11-21 DK DK464161A patent/DK106776C/da active
Also Published As
| Publication number | Publication date |
|---|---|
| CH403464A (de) | 1965-11-30 |
| NO117955B (it) | 1969-10-13 |
| DE1201674B (de) | 1965-09-23 |
| AT257342B (de) | 1967-10-10 |
| GB1007840A (en) | 1965-10-22 |
| NL271290A (it) | |
| DK106776C (da) | 1967-03-13 |