GB518568A - Improvements in or relating to paper and the like - Google Patents
Improvements in or relating to paper and the likeInfo
- Publication number
- GB518568A GB518568A GB1932638A GB1932638A GB518568A GB 518568 A GB518568 A GB 518568A GB 1932638 A GB1932638 A GB 1932638A GB 1932638 A GB1932638 A GB 1932638A GB 518568 A GB518568 A GB 518568A
- Authority
- GB
- United Kingdom
- Prior art keywords
- relating
- paper
- Prior art date
- 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.)
- Expired
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
- D21H17/20—Macromolecular organic compounds
- D21H17/21—Macromolecular organic compounds of natural origin; Derivatives thereof
- D21H17/24—Polysaccharides
- D21H17/25—Cellulose
- D21H17/26—Ethers thereof
-
- 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
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1932638A GB518568A (en) | 1938-06-29 | 1938-06-29 | Improvements in or relating to paper and the like |
FR857089D FR857089A (en) | 1938-06-29 | 1939-06-29 | Improvements in papermaking |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1932638A GB518568A (en) | 1938-06-29 | 1938-06-29 | Improvements in or relating to paper and the like |
Publications (1)
Publication Number | Publication Date |
---|---|
GB518568A true GB518568A (en) | 1940-03-01 |
Family
ID=10127488
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1932638A Expired GB518568A (en) | 1938-06-29 | 1938-06-29 | Improvements in or relating to paper and the like |
Country Status (2)
Country | Link |
---|---|
FR (1) | FR857089A (en) |
GB (1) | GB518568A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2664964A (en) * | 1947-07-16 | 1954-01-05 | Asplund Arne Johan Arthur | Fibrous filter sheet for gases |
US3068116A (en) * | 1959-01-12 | 1962-12-11 | Eastman Kodak Co | Manufacture of partially acetylated paper |
EP0560257A1 (en) * | 1992-03-09 | 1993-09-15 | Hercules Incorporated | Enhancement of tissue paper softness with minimal effect on strength |
-
1938
- 1938-06-29 GB GB1932638A patent/GB518568A/en not_active Expired
-
1939
- 1939-06-29 FR FR857089D patent/FR857089A/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2664964A (en) * | 1947-07-16 | 1954-01-05 | Asplund Arne Johan Arthur | Fibrous filter sheet for gases |
US3068116A (en) * | 1959-01-12 | 1962-12-11 | Eastman Kodak Co | Manufacture of partially acetylated paper |
EP0560257A1 (en) * | 1992-03-09 | 1993-09-15 | Hercules Incorporated | Enhancement of tissue paper softness with minimal effect on strength |
Also Published As
Publication number | Publication date |
---|---|
FR857089A (en) | 1940-08-24 |
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