US2898181A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for washing and bleaching compositions therefor
Assignee: Evonik Operations GmbH
•
Filing: 1957-10-23
•
Granted: 1959-08-04
•
Expires: 1977-10-23
Abstract
No abstract record available.
Inventors
- 👤 Dithmar Karl
- 👤 Hoffmann Ulrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:15
CPC Classifications
C; C11; C11D; C11D9/00; C11D9/04; C11D9/22; C11D9/30; C11D3/00; C11D3/16; C11D3/26; C11D3/32; C11D3/39; C11D3/3902; C11D3/3905; C11D3/3907; C11D3/3917; C11D9/42; D; D06; D06L; D06L4/00; D06L4/10; D06L4/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
141 words
IN A PROCESS OF WASHING TEXTILE MATERIALS WITH AQUEOUS WASHING LIQUIDS CONTAINING AN ORGANIC SURFACE ACTIVE WASHING AGENT AND A PERBORATE BLEACHING AGENT, THE STEP WHICH COMPRISES INCORPORATING AN ALIPHATIC CARBOXYLIC ACID AMIDE OF THE FORMULA R.CO.NR''R" IN WHICH R IS SELECTED FROM THE GROUP CONSISTING OF HYDROGEN AND ALIPHATIC HYDROCARBON RADICALS CONTAINING 1 TO 3 CARBON ATOMS AND R'' AND R" ARE SELECTED FROM THE GROUP CONSISTING OF HYDROGEN AND -C2H4OH IN THE WASHING LIQUID EMPLOYED TO WASH THE TEXTILE, STHE QUANTITY OF SUCH AMIDE INCORPORATED BEING BETWEEN 0.1 AND 1 GRAM PER LITER OF WASHING LIQUID, THE QUANTITY OF PERBORATE IN SAID WASHING LIQUID PROVIDING 0.2 TO 5 GRAMS OF ACTIVE OXYGEN PER LITER OF WASHING LIQUID AND THE QUANTITY OF THE ORGANIC SURFACE ACTIVE AGENT IN SAID WASHING LIQUID BEING BETWEEN ABOUT 1 AND 10 GRAMS PER LITER.
Claim 2
Dependent Claim
141 words
IN A PROCESS OF WASHING TEXTILE MATERIALS WITH AQUEOUS WASHING LIQUIDS CONTAINING AN ORGANIC SURFACE ACTIVE WASHING AGENT AND A PERBORATE BLEACHING AGENT, THE STEP WHICH COMPRISES INCORPORATING AN ALIPHATIC CARBOXYLIC ACID AMIDE OF THE FORMULA R.CO.NR''R" IN WHICH R IS SELECTED FROM THE GROUP CONSISTING OF HYDROGEN AND ALIPHATIC HYDROCARBON RADICALS CONTAINING 1 TO 3 CARBON ATOMS AND R'' AND R" ARE SELECTED FROM THE GROUP CONSISTING OF HYDROGEN AND -C2H4OH IN THE WASHING LIQUID EMPLOYED TO WASH THE TEXTILE, STHE QUANTITY OF SUCH AMIDE INCORPORATED BEING BETWEEN 0.1 AND 1 GRAM PER LITER OF WASHING LIQUID, THE QUANTITY OF PERBORATE IN SAID WASHING LIQUID PROVIDING 0.2 TO 5 GRAMS OF ACTIVE OXYGEN PER LITER OF WASHING LIQUID AND THE QUANTITY OF THE ORGANIC SURFACE ACTIVE AGENT IN SAID WASHING LIQUID BEING BETWEEN ABOUT 1 AND 10 GRAMS PER LITER.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-08-03 | 1963-02-02 | 1963-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-03 | 1967-02-02 | 1967-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-03 | 1971-02-02 | 1971-08-04 | $7700.00 | Window Closed / Lapsed |