Agent for the posttreatment of laundry
Abstract
Abstract A softening agent for the posttreatment of washed laundry is disclosed, the same being adapted for addition to the rinse water either as a solid or in liquid form. The softening agent corresponds to the following formula: WHEREIN R1 is alkyl containing 10 to 22 carbon atoms, and may be interrupted by ether oxygen atoms in the vicinity of the N atom group, R2 is alkyl containing seven to 21 carbon atoms and n is either 3 or 4. Preferably the total number of the carbon atoms contained in R1 and R2 amounts to at least 23 and preferably amounts to from 27 to 35. The aforesaid softening agents can be employed per se or in combination with other conventional laundry agents such as optical brighteners, acidifiers, disincrusting agents, colorants, perfumes, antimicrobial agents, etc.
Inventors
- 👤 Hans-Werner Eckert
- 👤 Arnold Heins
Bibliographic Details
Claims Analysis
Total Claims: 2References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-01-24 | 1975-07-26 | 1976-01-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-01-24 | 1979-07-26 | 1980-01-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-01-24 | 1983-07-26 | 1984-01-25 | $7700.00 | Window Closed / Lapsed |