US3349035A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Activated bleaching composition
Assignee: Evonik Operations GmbH
•
Filing: 1965-05-10
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Granted: 1967-10-24
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Expires: 1985-05-10
Abstract
No abstract record available.
Inventors
- 👤 Dithmar Karl
- 👤 Koblischek Peter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 12:24
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/39; C11D3/3902; C11D3/3905; C11D3/3907; C11D3/3917; C11D3/392; C07; C07D; C07D233/00; C07D233/54; C07D233/66; C07D233/72; C07D233/80
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
A SOLID, STABLE BLEACHING COMPOSITION FOR THE PRODUCTION OF AQUEOUS BATHS HAVING A BLEACHING ACTION CONSISTING ESSENTIALLY OF A SOLID, STABLE INORGANIC PEROXYGEN BLEACHING COMPOUND AND A 1-SUBSTITUTED-3-ACYLHYDANTOIN ACTIVATOR OF THE STRUCTURE: 1-R1,2,4-DI(O=),3-R2-IMIDAZOLIDENE WHEREIN R1 IS A MEMBER SELECTED FROM THE GROUND CONSISTING OF ALKYL, CYCLOALKYL, PHENYL, ALKYL-PHENYL AND PHENYLALKYL, THE ALKYL GROUPS INDICATED BELOW LOWER ALKYL AND R2 IS AN ACETYL GROUP, THE AMOUNT OF SAID ACTIVATOR BEING ABOUT 0.3 TO 1.25 MOL PER MOL OF PEROXYGEN PRESENT.
Claim 2
Dependent Claim
79 words
A SOLID, STABLE BLEACHING COMPOSITION FOR THE PRODUCTION OF AQUEOUS BATHS HAVING A BLEACHING ACTION CONSISTING ESSENTIALLY OF A SOLID, STABLE INORGANIC PEROXYGEN BLEACHING COMPOUND AND A 1-SUBSTITUTED-3-ACYLHYDANTOIN ACTIVATOR OF THE STRUCTURE: 1-R1,2,4-DI(O=),3-R2-IMIDAZOLIDENE WHEREIN R1 IS A MEMBER SELECTED FROM THE GROUND CONSISTING OF ALKYL, CYCLOALKYL, PHENYL, ALKYL-PHENYL AND PHENYLALKYL, THE ALKYL GROUPS INDICATED BELOW LOWER ALKYL AND R2 IS AN ACETYL GROUP, THE AMOUNT OF SAID ACTIVATOR BEING ABOUT 0.3 TO 1.25 MOL PER MOL OF PEROXYGEN PRESENT.
References Cited (Backward Citations)
US3177148A
Cited
US3061550A
Cited
US3163606A
Cited
US3272750A
Cited
US3183242A
Cited
US3256198A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-23 | 1971-04-24 | 1971-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-23 | 1975-04-24 | 1975-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-23 | 1979-04-24 | 1979-10-24 | $7700.00 | Window Closed / Lapsed |