Alkanolamides of dicarboxylic acid
Abstract
Abstract Alkanolamides of this invention are made by condensing a dicarboxylic acid of the following formula: WHEREIN X AND Y ARE INTEGERS FROM 3 TO 9, X AND Y TOGETHER EQUAL 12, Z is a member of the group consisting of hydrogen and COOM1 with one Z of each moiety, and M and M1 are selected from the group consisting of hydrogen, sodium, potassium, lithium, and mixtures thereof, with either monoethanolamine, diethanolamine or isopropanolamine. The bisalkanolamides, dialkanolamides and monoalkanolamides formed at a ratio of 2:1 alkanolamine:carboxyl moiety are excellent detergents and wetting agents. The bisalkanolamides, dialkanolamides and monoalkanolamides of this invention made at a 1:1 ratio of alkanolamine-to-carboxyl moiety are used as foam, wetting and viscosity boosters. When small amounts of these alkanolamides are added to soaps, the formation of insoluble soaps in hard water is hindered and the resulting insoluble soaps are kept dispersed.
Inventors
- 👤 A Bills
Bibliographic Details
Claims Analysis
Total Claims: 4References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-10-01 | 1977-04-02 | 1977-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-10-01 | 1981-04-02 | 1981-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-10-01 | 1985-04-02 | 1985-10-02 | $7700.00 | Window Closed / Lapsed |