CH251655A - Process for the production of water-resistant paper. - Google Patents
Process for the production of water-resistant paper.Info
- Publication number
- CH251655A CH251655A CH251655DA CH251655A CH 251655 A CH251655 A CH 251655A CH 251655D A CH251655D A CH 251655DA CH 251655 A CH251655 A CH 251655A
- Authority
- CH
- Switzerland
- Prior art keywords
- production
- water
- resistant paper
- resistant
- paper
- Prior art date
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
- D21H17/33—Synthetic macromolecular compounds
- D21H17/46—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D21H17/54—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen
- D21H17/57—Polyureas; Polyurethanes
-
- 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
- D21H17/33—Synthetic macromolecular compounds
- D21H17/46—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D21H17/47—Condensation polymers of aldehydes or ketones
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Paper (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB251655X | 1943-09-13 | ||
GB210644X | 1944-06-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH251655A true CH251655A (en) | 1947-11-15 |
Family
ID=26255091
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH251655D CH251655A (en) | 1943-09-13 | 1945-03-19 | Process for the production of water-resistant paper. |
Country Status (2)
Country | Link |
---|---|
CH (1) | CH251655A (en) |
GB (1) | GB576660A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE934386C (en) * | 1949-02-11 | 1955-10-20 | Cassella Farbwerke Mainkur Ag | Process for finishing paper |
-
1943
- 1943-09-13 GB GB14988/43A patent/GB576660A/en not_active Expired
-
1945
- 1945-03-19 CH CH251655D patent/CH251655A/en unknown
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE934386C (en) * | 1949-02-11 | 1955-10-20 | Cassella Farbwerke Mainkur Ag | Process for finishing paper |
Also Published As
Publication number | Publication date |
---|---|
GB576660A (en) | 1946-04-15 |
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