Solid, pulverulent to granular compositions containing bleaching activators
Abstract
Abstract SOLID, PULVERULENT TO GRANULAR COMPOSITIONS USEFUL FOR THE PREPARATION OF AQUEOUS COLD-BLEACHING BATHS, ESPECIALLY COLD-BLEACHING WASHING LIQUORS FOR TEXTILES COMPRISING (A) FROM 5% TO 100% BY WEIGHT OF AN ACTIVATOR COMPONENT CONSISTING OF AN ACTIVATOR FOR PRE-COMPOUNDS IN THE FORM OF PARTICLES SURROUNDED WITH A COATING SUBSTANCE INERT TO THE ACTIVATOR, SELECTED FROM THE GROUP CONSISTING OF WATER-SOLUBLE COMPOUNDS AND WATER-INSOLUBLE COMPOUNDS, SAID ACTIVATOR CONSTITUTING FROM 5% TO 50%, PREFERABLE 15% TO 40% BY WEIGHT, AND SAID COATING SUBSTANCE CONSTITUTING FROM 50% TO 95%, PREFERABLY 60% TO 85% BY WEIGHT, OF THE ACTIVATOR COMPONENT, AND (B) FROM 0 TO 95% BY WEIGHT OF OTHER CUSTOMARY CONSTITUENTS OF BLEACHING AGENTS OR WASHING COMPOSITIONS WITH BLEACHING ACTION; AS WELL AS THE METHOD OF PRODUCING THE COATED ACTIVATOR COMPONENT.
Inventors
- 👤 R Weber
- 👤 A Opgenoorth
Bibliographic Details
Claims Analysis
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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) | 1977-01-28 | 1977-07-30 | 1978-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-01-28 | 1981-07-30 | 1982-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-01-28 | 1985-07-30 | 1986-01-29 | $7700.00 | Window Closed / Lapsed |