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US3118724A
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Processes for reduction of organic substances with alkali-metal borohydrides in the presence of catalysts
Assignee: GOERRIG
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Filing: 1958-10-07
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Granted: 1964-01-21
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Expires: 1978-10-07
Abstract
No abstract record available.
Inventors
- 👤 Dieter Goerrig
- 👤 Friedrich Schubert
- 👤 Eberhard Weise
- 👤 Manfred Soell
- 👤 Konrad Lang
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 01:43
CPC Classifications
D; D06; D06P; D06P1/00; D06P1/22; D06P1/221; B; B01; B01J; B01J21/00; B01J21/02; B01J23/00; B01J23/14; B01J23/16; B01J23/18; B01J23/24; B01J23/28; B01J23/38; B01J23/40; B01J23/42; B01J23/70; B01J23/72; B01J23/74; B01J23/75; B01J23/755; B01J27/00; B01J27/24; B01J27/26; B01J31/00; B01J31/02; B01J31/12; B01J31/14; B01J31/146; B01J35/00; B01J35/20; B01J35/23; B01J37/00; B01J37/16; C; C01; C01B; C01B35/00; C01B35/02; C01B35/026; C01B6/00; C07; C07C; C07C241/00; C07C241/02; C07C245/00; C07C245/02; C07C245/06; C07C245/08; C09; C09B; C09B43/00; C09B43/08; C09B43/10; B01J2231/00; B01J2231/60; B01J2231/64
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
IN A PROCESS FOR THE REDUCTION OF A VAT DYESTUFF WITH AN ALKALI-METAL BOROHYDRIDE, THE IMPROVEMENT WHICH CONSISTS IN CARRYING OUT THE REDUCTION IN THE PRESENCE OF A CATALYTIC PROPORTION OF A CATALYST COMPOSITION OF THE GROUP CONSISTING OF (A) AQUEOUS COLLOIDAL SOLS OF A METAL OF THE GROUP CONSISTING OF TIN, ARSENIC, COPPER, MOLYBDENUM, NICKEL, COBALT, AND PLATINUM, AND (B) ALKALI-METAL SALTS OF COMPLEX ANIONS OF THE GROUP CONSISTING OF CYANONICKELATE (II), CYANOCOBALTATE (II), CYANOCHROMATE (II), AND CYANOMANGANATE (II), AND THEIR OXIDIZED FORMS.
Claim 2
Dependent Claim
84 words
IN A PROCESS FOR THE REDUCTION OF A VAT DYESTUFF WITH AN ALKALI-METAL BOROHYDRIDE, THE IMPROVEMENT WHICH CONSISTS IN CARRYING OUT THE REDUCTION IN THE PRESENCE OF A CATALYTIC PROPORTION OF A CATALYST COMPOSITION OF THE GROUP CONSISTING OF (A) AQUEOUS COLLOIDAL SOLS OF A METAL OF THE GROUP CONSISTING OF TIN, ARSENIC, COPPER, MOLYBDENUM, NICKEL, COBALT, AND PLATINUM, AND (B) ALKALI-METAL SALTS OF COMPLEX ANIONS OF THE GROUP CONSISTING OF CYANONICKELATE (II), CYANOCOBALTATE (II), CYANOCHROMATE (II), AND CYANOMANGANATE (II), AND THEIR OXIDIZED FORMS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-01-20 | 1967-07-22 | 1968-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-20 | 1971-07-22 | 1972-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-20 | 1975-07-22 | 1976-01-21 | $7700.00 | Window Closed / Lapsed |