NL50726C - - Google Patents
Info
- Publication number
- NL50726C NL50726C NL85790A NL85790A NL50726C NL 50726 C NL50726 C NL 50726C NL 85790 A NL85790 A NL 85790A NL 85790 A NL85790 A NL 85790A NL 50726 C NL50726 C NL 50726C
- Authority
- NL
- Netherlands
Links
Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F2/00—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof
- D01F2/02—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from solutions of cellulose in acids, bases or salts
- D01F2/04—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from solutions of cellulose in acids, bases or salts from cuprammonium solutions
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G3/00—Compounds of copper
- C01G3/02—Oxides; Hydroxides
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/60—Optical properties, e.g. expressed in CIELAB-values
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Inorganic Chemistry (AREA)
- Removal Of Specific Substances (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US11899437 US2165667A (en) | 1937-01-04 | 1937-01-04 | Process of converting copper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL50726C true NL50726C (fr) | 1941-08-15 |
Family
ID=21967860
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL85790A NL50726C (fr) | 1937-01-04 | 1937-12-31 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US2165667A (fr) |
| BE (1) | BE425564A (fr) |
| DE (1) | DE708009C (fr) |
| FR (1) | FR831545A (fr) |
| GB (1) | GB508495A (fr) |
| NL (1) | NL50726C (fr) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3961942A (en) * | 1973-11-06 | 1976-06-08 | The United States Of America As Represented By The Secretary Of The Interior | Hydrometallurgical process for copper recovery from sulfide ores |
-
1937
- 1937-01-04 US US11899437 patent/US2165667A/en not_active Expired - Lifetime
- 1937-12-31 GB GB36237/37A patent/GB508495A/en not_active Expired
- 1937-12-31 DE DEN41496D patent/DE708009C/de not_active Expired
- 1937-12-31 NL NL85790A patent/NL50726C/xx active
- 1937-12-31 FR FR831545D patent/FR831545A/fr not_active Expired
-
1938
- 1938-01-03 BE BE425564D patent/BE425564A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| US2165667A (en) | 1939-07-11 |
| FR831545A (fr) | 1938-09-07 |
| BE425564A (fr) | 1938-03-31 |
| DE708009C (de) | 1941-07-10 |
| GB508495A (en) | 1939-06-30 |