GB584435A - Improvements in the laundering of white textile articles - Google Patents
Improvements in the laundering of white textile articlesInfo
- Publication number
- GB584435A GB584435A GB380744A GB380744A GB584435A GB 584435 A GB584435 A GB 584435A GB 380744 A GB380744 A GB 380744A GB 380744 A GB380744 A GB 380744A GB 584435 A GB584435 A GB 584435A
- Authority
- GB
- United Kingdom
- Prior art keywords
- sodium
- benzoylaminostilbene
- disulphonate
- salt
- per cent
- 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
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
- C11D3/40—Dyes ; Pigments
- C11D3/42—Brightening agents ; Blueing agents
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Detergent Compositions (AREA)
- Coloring (AREA)
Abstract
In the laundering of cellulosic textile articles of the class requiring frequent laundering, wherein the articles are washed by customary methods, they are thereafter rinsed in an aqueous bath containing a very small proportion of a substantive blue fluorescent substance. Advantageously, the aqueous bath contains not more than 0.05 per cent and suitably between 0.01 per cent and 0.001 per cent of the blue fluorescent substance calculated on the weight of the articles to be rinsed. The blue fluorescent substance is preferably one showing an absorption maximum at about 3400 to 3700 Angstrom and it may be used in any of the rinses following the wash. Specified substances are a di-benzoylaminostilbene-sulphonic acid or a nuclear substitution derivative thereof or a salt of these acids, e.g. a 4 : 41-di-benzoylaminostilbene-2 : 21-disulphonic acid or a nuclear substitution derivative thereof or a salt of these acids; 4 : 41-di-p-aminobenzoylamino-stilbene-2 : 21-disulphonic acid or a salt thereof; sodium 4 : 41-di-p-methylbenzoylamino-stilbene-2 : 21-disulphonate; the corresponding 3 : 31-disulphonates and 2 : 21-6 : 61-tetrasulphonates; the symmetrical urea derived from sodium 4-amino-41 - benzoylaminostilbene - 2 : 21 - disulphonate; dibenzyl derivatives such as sodium 4 : 41-dibenzoyl-aminodibenzyl - 2 : 21 - disulphonate; benzidine derivatives such as sodium-dibenzoylbenzidine - 3 : 31 - dicarboxylate; and the symmetrical urea derived from sodium-4-amino-41-benzoylaminostilbene - 2 : 21 - disulphonate. In an example, a mixed batch of towels, tablecloths, pillow-cases and napkins is washed with soap in the usual way, rinsed twice in clean water and then given a final rinse in water containing in three tests respectively 0.0005, 0.001 and 0.004 per cent (calculated upon the water=7 gallons) of the sodium salt of 4 : 41-di-p-aminobenzoylaminostilbene-2 : 21 - disulphonic acid. Specifications 442,530, [Group VIII], and 522,672 are referred to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB380744A GB584435A (en) | 1944-03-01 | 1944-03-01 | Improvements in the laundering of white textile articles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB380744A GB584435A (en) | 1944-03-01 | 1944-03-01 | Improvements in the laundering of white textile articles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB584435A true GB584435A (en) | 1947-01-15 |
Family
ID=9765261
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB380744A Expired GB584435A (en) | 1944-03-01 | 1944-03-01 | Improvements in the laundering of white textile articles |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB584435A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE966411C (en) * | 1949-06-03 | 1957-08-01 | Ilford Ltd | Methods for improving the optical properties of fibers and films |
-
1944
- 1944-03-01 GB GB380744A patent/GB584435A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE966411C (en) * | 1949-06-03 | 1957-08-01 | Ilford Ltd | Methods for improving the optical properties of fibers and films |
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