Patent US1584358A successfully refreshed from Google Patents.
Patent US2913460A successfully refreshed from Google Patents.
US2913460A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composition having bleaching, sterilizing and disinfecting properties, and method of preparation thereof
Assignee: Procter and Gamble Co
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Filing: 1956-09-10
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Granted: 1959-11-17
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Expires: 1976-09-10
Abstract
No abstract record available.
Inventors
- 👤 Arthur G Brown
- 👤 William W Lee
- 👤 Kenneth M Sancier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:20
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/395; C11D3/3955; C11D3/3958
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
55 words
THE METHOD OF PREPARING DICHLOROCYANURIC ACID WHICH COMPRISES MIXING TRICHLOROCYANAURIC ACID, CYANURIC ACID AND WATER TO FORM A MIXTURE, AND DRYING SAID MIXTURE TO PROVIDE DICHLOROCYANURIC ACID, SAID TRICHLOROCYANURIC ACID BEING PRESENT IN A SUFFICIENT AMOUNT OF UP TO ABOUT TWO MOLS OF TRICHLOROCYANURIC ACID PER MOL OF CYANURIC ACID TO PROVIDE SAID DICHLOROCYANURIC ACID.
Claim 2
Independent Claim
55 words
THE METHOD OF PREPARING DICHLOROCYANURIC ACID WHICH COMPRISES MIXING TRICHLOROCYANAURIC ACID, CYANURIC ACID AND WATER TO FORM A MIXTURE, AND DRYING SAID MIXTURE TO PROVIDE DICHLOROCYANURIC ACID, SAID TRICHLOROCYANURIC ACID BEING PRESENT IN A SUFFICIENT AMOUNT OF UP TO ABOUT TWO MOLS OF TRICHLOROCYANURIC ACID PER MOL OF CYANURIC ACID TO PROVIDE SAID DICHLOROCYANURIC ACID.
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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) | 1962-11-16 | 1963-05-18 | 1963-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-16 | 1967-05-18 | 1967-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-16 | 1971-05-18 | 1971-11-17 | $7700.00 | Window Closed / Lapsed |