US3293188A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of dichlorocyanurate, sodium tripolyphosphate and sodium sulfate containing bleaching, sterilizing and disinfecting composition
Assignee: Procter and Gamble Co
•
Filing: 1959-06-29
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Granted: 1966-12-20
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Expires: 1979-06-29
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
2026-10-25 22:10
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/395; C11D3/3955; C11D3/3958
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
THE METHOD OF PREPARING A STERILIZING AND DISINFECTING POWDER THAT IS HOMOGENEOUS THROUGHOUT WHICH COMPRISES MIXING INGREDIENTS CONSISTING ESSENTIALLY OF DICHLOROCYANURATE WITH A SYNERGISTIC CARRIER AGENT MIXTURE OF SODIUM TRIPOLYPHOSPHATE AND SODIUM SULFATE DECAHYDRATE, HEATING SAID MIXTURE UNTIL WATER IS LIBERATED FROM SAID SODIUM SULFATE DECAHYDRATE, ALLOWING SAID MIXTURE TO COOL UNTIL A SOLID HOMOGENEOUS MASS IS FORMED, AND A PULVERIZING SAID HOMOGENEOUS MASS TO FORM SAID POWDER, SAID DICHLOROCYANURATE BEING PRESENT IN AN AMOUNT SUFFICIENT TO PROVIDE SAID POWDER WITH FROM ABOUT 0.5 TO ABOUT 50 PERCENT BY WEIGHT AVAILABLE CHLORINE.
Claim 2
Independent Claim
92 words
THE METHOD OF PREPARING A STERILIZING AND DISINFECTING POWDER THAT IS HOMOGENEOUS THROUGHOUT WHICH COMPRISES MIXING INGREDIENTS CONSISTING ESSENTIALLY OF DICHLOROCYANURATE WITH A SYNERGISTIC CARRIER AGENT MIXTURE OF SODIUM TRIPOLYPHOSPHATE AND SODIUM SULFATE DECAHYDRATE, HEATING SAID MIXTURE UNTIL WATER IS LIBERATED FROM SAID SODIUM SULFATE DECAHYDRATE, ALLOWING SAID MIXTURE TO COOL UNTIL A SOLID HOMOGENEOUS MASS IS FORMED, AND A PULVERIZING SAID HOMOGENEOUS MASS TO FORM SAID POWDER, SAID DICHLOROCYANURATE BEING PRESENT IN AN AMOUNT SUFFICIENT TO PROVIDE SAID POWDER WITH FROM ABOUT 0.5 TO ABOUT 50 PERCENT BY WEIGHT AVAILABLE CHLORINE.
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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) | 1969-12-19 | 1970-06-20 | 1970-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-19 | 1974-06-20 | 1974-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-19 | 1978-06-20 | 1978-12-20 | $7700.00 | Window Closed / Lapsed |