US3645973A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water-soluble surface-activea condensation products (and the products thereof) from aminoplast alcohol or carboxylic acid polyol nd salt of sulfur containing acid
Assignee: BASF Schweiz AG
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Filing: 1970-06-04
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Granted: 1972-02-29
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Expires: 1990-06-04
Abstract
Abstract WATER-SOLUBLE SURFACE-ACTIVE DONDENSATION PRODUCTS FROM AMINOPLAST PRECONDENSATES, CONTAINING RADICALS OF MONO-HYDROXY COMPOUNDS, RADICALS OF ALCOHOLS CONTAINING AT LEAST 2 HYDROXYL GROUPS AND ME-O3S GROUPS WHERE ME REPRESENTS AN ALKALI METAL. THESE CONDENSATION PRODUCTS DISPLAY A PRONOUNCED SURFACE ACTIVITY AND ACT AS LATHERING AGENTS, DETERGENTS, EMULSIFIERS AND DISPERSANTS.
Inventors
- 👤 Luzius Schibler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 08:10
CPC Classifications
C; C08; C08G; C08G12/00; C08G12/02; C08G12/40; C08G12/42; C11; C11D; C11D1/00; C11D1/008; Y; Y10; Y10S; Y10S516/00; Y10S516/01; Y10S516/03; Y10S516/05
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-02-28 | 1975-08-30 | 1976-02-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-02-28 | 1979-08-30 | 1980-02-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-02-28 | 1983-08-30 | 1984-02-29 | $7700.00 | Window Closed / Lapsed |