FR484250A - Improvements in the manufacture of paper and similar products - Google Patents
Improvements in the manufacture of paper and similar productsInfo
- Publication number
- FR484250A FR484250A FR484250A FR484250DA FR484250A FR 484250 A FR484250 A FR 484250A FR 484250 A FR484250 A FR 484250A FR 484250D A FR484250D A FR 484250DA FR 484250 A FR484250 A FR 484250A
- Authority
- FR
- France
- Prior art keywords
- paper
- manufacture
- similar products
- products
- similar
- 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
- 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
- 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
- D21H23/76—Processes or apparatus for adding material to the pulp or to the paper characterised by choice of auxiliary compounds which are added separately from at least one other compound, e.g. to improve the incorporation of the latter or to obtain an enhanced combined effect
- D21H23/765—Addition of all compounds to the pulp
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Paper (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB191516742T | 1915-11-27 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR484250A true FR484250A (en) | 1917-09-14 |
Family
ID=32651634
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR484250A Expired FR484250A (en) | 1915-11-27 | 1917-01-15 | Improvements in the manufacture of paper and similar products |
Country Status (2)
Country | Link |
---|---|
FR (1) | FR484250A (en) |
GB (1) | GB191516742A (en) |
-
1915
- 1915-11-27 GB GB191516742D patent/GB191516742A/en not_active Expired
-
1917
- 1917-01-15 FR FR484250A patent/FR484250A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB191516742A (en) | 1916-12-27 |
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