Patent US3019075A successfully refreshed from Google Patents.
US3019075A
Expired / Lapsed
US
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Methods of bleaching with haloglycoluril compositions
Assignee: Diamond Shamrock Corp
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Filing: 1959-05-11
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Granted: 1962-01-30
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Expires: 1979-05-11
Abstract
No abstract record available.
Inventors
- 👤 Rosen Irving
- 👤 Frank B Slezak
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:02
CPC Classifications
D; D06; D06L; D06L4/00; D06L4/20; D06L4/27
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
43 words
THE METHOD OF BLEACHING WHICH COMPRISES CONTACTING THE FABRIC TO BE BLEACHED WITH A COMPOSITION OF MATTER COMPRISING A MIXTURE OF WATER, AN ALKALINE BUFFER SELECTED FROM THE GROUP CONSISTING OF ALKALI METAL CARBONATES, SILICATED AND PHOSPHATED AND A COMPOUND HAVING THE FORMULA:
Claim 2
Independent Claim
43 words
THE METHOD OF BLEACHING WHICH COMPRISES CONTACTING THE FABRIC TO BE BLEACHED WITH A COMPOSITION OF MATTER COMPRISING A MIXTURE OF WATER, AN ALKALINE BUFFER SELECTED FROM THE GROUP CONSISTING OF ALKALI METAL CARBONATES, SILICATED AND PHOSPHATED AND A COMPOUND HAVING THE FORMULA:
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) | 1965-01-29 | 1965-07-31 | 1966-01-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-29 | 1969-07-31 | 1970-01-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-29 | 1973-07-31 | 1974-01-30 | $7700.00 | Window Closed / Lapsed |