BE680421A - - Google Patents
Info
- Publication number
- BE680421A BE680421A BE680421DA BE680421A BE 680421 A BE680421 A BE 680421A BE 680421D A BE680421D A BE 680421DA BE 680421 A BE680421 A BE 680421A
- Authority
- BE
- Belgium
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
- 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
- D21H17/17—Ketenes, e.g. ketene dimers
-
- 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
- D21H17/63—Inorganic compounds
- D21H17/66—Salts, e.g. alums
-
- 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
-
- 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
- D21H23/22—Addition to the formed paper
- D21H23/24—Addition to the formed paper during paper manufacture
- D21H23/26—Addition to the formed paper during paper manufacture by selecting point of addition or moisture content of the paper
- D21H23/28—Addition before the dryer section, e.g. at the wet end or press section
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US45333665A | 1965-05-05 | 1965-05-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE680421A true BE680421A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1966-11-03 |
Family
ID=23800166
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE680421D BE680421A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1965-05-05 | 1966-05-03 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE680421A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
| FR (1) | FR1478276A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
-
1966
- 1966-05-03 BE BE680421D patent/BE680421A/xx unknown
- 1966-05-04 FR FR60166A patent/FR1478276A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1478276A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1967-07-10 |