Patent US3687870A successfully refreshed from Google Patents.
US3687870A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Detergent compositions
Assignee: Richardson Co
•
Filing: 1969-03-13
•
Granted: 1972-08-29
•
Expires: 1989-03-13
Abstract
Abstract THIS IVENTION IS DIRECTED TO DETERGENT COMPOSITIONS CONTAINING ARYLSULFONAMIDOAMINES, THEIR SALTS OR MIXTURE THEROF. ILLUSTRATIVE OF THIS CLASS OF COMPOUNDS IS THE HYDROXYETHYL CHLORIDE SALT OF N-DODECYLBENZENESULFONAMIDOPROPYL-N, N-DIMETHYLAMINE. IN ADDITION TO PROPERTIES DESCRIPTIVE OF CATONIC DETERGENTS, THESE COMPOUNDS EXHIBIT REMARKABLE COMPATIBILITY WITH ALKYLARYL SULFONATES AND OTHER ANIONIC DETERGENTS.
Inventors
- 👤 Thaddeus M Muzyczko
- 👤 Samuel Shore
- 👤 Jon A Loboda
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:27
CPC Classifications
C; C11; C11D; C11D1/00; C11D1/002; A; A61; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/46; A61K8/466; A61Q; A61Q5/00; A61Q5/12; B; B03; B03D; B03D1/00; B03D1/001; B03D1/004; B03D1/0043; B03D1/008; B03D1/012
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1975-08-29 | 1976-02-28 | 1976-08-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-08-29 | 1980-02-28 | 1980-08-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-08-29 | 1984-02-28 | 1984-08-29 | $7700.00 | Window Closed / Lapsed |