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Patent US3663459A successfully refreshed from Google Patents.
US3663459A
Expired / Lapsed
US
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Assignee: Ajinomoto Co Inc
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Filing: 1970-02-25
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Granted: 1972-05-16
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Expires: 1990-02-25
Abstract
Abstract THE WATER SOLUBLE SALTS OF N-ACYL-GLUTAMIC ACIDS AND NACYLASPARTIC ACIDS WHOSE ACYL GROUPS ARE THE ACYL RADICALS OF SATURATED OR UNSATURATED FATTY ACIDS HAVING 8 TO 22 CARBON ATOMS WITH THE ALKALI METALS, AMMONIUM, BASIC AMINO ACIDS, AND OTHER AMINES CAN BE MILLED WITH WATER AND MOLDED INTO BARS BY PROCEDURES CONVENTIONAL IN THE MAKINGING OF MILLED TOILET SOAPS, AND HAVE DESIRABLE PROPERTIES AS DETERGENTS FOR TOILET USE.
Inventors
- 👤 Ryonosuke Yoshida
- 👤 Masahiro Takehara
- 👤 Hitoshi Akiba
- 👤 Yasunori Usuba
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:59
CPC Classifications
C; C11; C11D; C11D17/00; C11D17/0047; C11D17/006; C11D1/00; C11D1/02; C11D1/04; C11D1/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-05-16 | 1975-11-15 | 1976-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-05-16 | 1979-11-15 | 1980-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-05-16 | 1983-11-15 | 1984-05-16 | $7700.00 | Window Closed / Lapsed |