FR820575A - Cardboard - Google Patents
CardboardInfo
- Publication number
- FR820575A FR820575A FR820575DA FR820575A FR 820575 A FR820575 A FR 820575A FR 820575D A FR820575D A FR 820575DA FR 820575 A FR820575 A FR 820575A
- Authority
- FR
- France
- Prior art keywords
- cardboard
- 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
- D21H17/63—Inorganic compounds
- D21H17/67—Water-insoluble compounds, e.g. fillers, pigments
- D21H17/68—Water-insoluble compounds, e.g. fillers, pigments siliceous, e.g. clays
Landscapes
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Inorganic Chemistry (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR820575T | 1937-04-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR820575A true FR820575A (en) | 1937-11-15 |
Family
ID=9272694
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR820575D Expired FR820575A (en) | 1937-04-13 | 1937-04-13 | Cardboard |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR820575A (en) |
-
1937
- 1937-04-13 FR FR820575D patent/FR820575A/en not_active Expired
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