NL61528C - - Google Patents
Info
- Publication number
- NL61528C NL61528C NL61528DA NL61528C NL 61528 C NL61528 C NL 61528C NL 61528D A NL61528D A NL 61528DA NL 61528 C NL61528 C NL 61528C
- Authority
- NL
- Netherlands
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
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
- D21H21/30—Luminescent or fluorescent substances, e.g. for optical bleaching
-
- 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
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06L—DRY-CLEANING, WASHING OR BLEACHING FIBRES, FILAMENTS, THREADS, YARNS, FABRICS, FEATHERS OR MADE-UP FIBROUS GOODS; BLEACHING LEATHER OR FURS
- D06L4/00—Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs
- D06L4/60—Optical bleaching or brightening
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Paper (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH611510X | 1944-09-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL61528C true NL61528C (US06596103-20030722-C00008.png) |
Family
ID=4523438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL61528D NL61528C (US06596103-20030722-C00008.png) | 1944-09-29 |
Country Status (3)
| Country | Link |
|---|---|
| CH (2) | CH253876A (US06596103-20030722-C00008.png) |
| GB (1) | GB611510A (US06596103-20030722-C00008.png) |
| NL (1) | NL61528C (US06596103-20030722-C00008.png) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2875089A (en) * | 1959-02-24 | Process for the optical brightening of | ||
| DE957131C (de) * | 1954-07-10 | 1957-01-31 | Ruhr Stickstoff Ag | Verfahren zur Aufhellung von verfaerbtem, metallsalzhaltigem Ammoniumsulfat aus Kokereien und Gasanstalten, das besonders als Duengemittel verwendet wird |
| DE1011406B (de) * | 1955-01-21 | 1957-07-04 | Gelsenkirchener Bergwerks Ag | Verfahren zur Herstellung eines technischen, weissen, farb- und lagerbestaendigen Ammoniumsulfats |
| DE1094696B (de) * | 1955-02-15 | 1960-12-15 | Ciba Geigy | Verfahren zum optischen Aufhellen von Materialien aus Polyestern |
| DE1302051B (de) * | 1955-04-21 | 1969-11-13 | Sterling Drug Inc | Verwendung von Benzimidazolylstilben-Verbindungen als optische Aufhellungsmittel |
| US2950207A (en) * | 1957-11-07 | 1960-08-23 | American Enka Corp | Production of filaments having improved whiteness |
-
0
- NL NL61528D patent/NL61528C/xx active
-
1944
- 1944-09-29 CH CH253876D patent/CH253876A/de unknown
- 1944-09-29 CH CH246967D patent/CH246967A/de unknown
-
1945
- 1945-06-20 GB GB15717/45A patent/GB611510A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CH253876A (de) | 1948-03-31 |
| GB611510A (en) | 1948-11-01 |
| CH246967A (de) | 1947-02-15 |
