Compositions for the preparation of cold-bleaching liquors,particularly active washing liquors
Abstract
Abstract COMPOSITIONS USEFUL IN THE AQUEOUS COLD-BLEACHING OF TEXTILES COMPRISING (19 FROM 0.5% TO 95% BY WEIGHT OF AN ACTIVATOR FOR ACTIVE OXYGEN SELECTED FROM THE GROUP CONSISTING OF N-ACYL AND O-ACRYL COMPOUNDS HAVING 2 TO 9 CARBON ATOMS IN THE ACYL, SAID ACTIVATOR HAVING AN ACTIVATING ACTION OF AT LEAST 3 IN THE PER-ACID FORMATION TEST, (2) AT LEAST ONE COMPOUND SELECTED FROM THE GROUP CONSISTING OF (A) AN ALKALI METAL SESQUISILICATE OF THE RATIO ME2O:SIO2 OF 1 TO LESS THAN 2:1 IN AN AMOUNT THAT FROM 0.25 TO 3 ALKALI METAL ATOMS RE PRESENT PER ACYL GROUP IN SAID ACTIVATOR, AND (B) FROM 0 TO 20% BY WEIGHT OF A WATER-SOLUBLE SALT OF A PHOSPHORIC ACID ESTER SELECTED FROM THE GROUP CONSISTING OF PARTIAL ESTERS OF FATTY ALCOHOLS HAVING FROM 10 TO 22 CARBON ATOMS AND THEIR ETHOXYLATES AND PROPOXYLATES HAVING FROM 1 TO 10 ALKOXY UNITS WITH ORTHO PHOSPHORIC ACID, PYROPHOSPHORIC ACID AND POLYPHOSPHORIC ACID, AND (3) FROM 0 TO 97% BY WEIGHT OF OTHER CUSTOMARY INGREDIENTS OF BLEACHING AGENTS OF WASHING AGENTS HAVING A BLEACHING EFFECT.
Inventors
- 👤 M Berg
- 👤 M Mallmann
- 👤 J Hoffmeister
Bibliographic Details
Claims Analysis
Total Claims: 0References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-01-14 | 1977-07-16 | 1978-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-01-14 | 1981-07-16 | 1982-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-01-14 | 1985-07-16 | 1986-01-15 | $7700.00 | Window Closed / Lapsed |