Patent US3093590A successfully refreshed from Google Patents.
US3093590A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Trichlorocyanuric acid bleach with spray-dried base
Assignee: Purex Corp Ltd
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Filing: 1956-08-08
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Granted: 1963-06-11
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Expires: 1976-08-08
Abstract
No abstract record available.
Inventors
- 👤 Robert C Ferris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:28
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/395; C11D3/3958
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
80 words
AS A PRODUCT, A UNIFORM MIXTURE OF TRICHLOROCYANURIC ACID WHICH IN ITSELF GIVES OFF LACHRYMATORY CHLORAMINE VOLATILES, AND A SILICATE-SOLUBLE SALT COMPLEX IN HOLLOW BEAD FORM ACTING TO RENDER THE PRODUCT UNOBJECTIONABLY LACHRYMATORY, SAID SALT COMPLEX RESULTING FROM THE SPARY DRYING OF AN AQUEOUS SLURRY CONTAINING A MIXTURE OF AN ALKALI METAL SILICATE OF THE GROUP CONSISTING OF SODIUM SILICATE AND POTASSIUM SILICATE, AND A WATER SOLUBLE SALT OF THE CLASS CONSISTING OF ALKALI METAL PHOSPHATES, SULFATES, CARBONATES AND CHLORIDES.
Claim 2
Dependent Claim
80 words
AS A PRODUCT, A UNIFORM MIXTURE OF TRICHLOROCYANURIC ACID WHICH IN ITSELF GIVES OFF LACHRYMATORY CHLORAMINE VOLATILES, AND A SILICATE-SOLUBLE SALT COMPLEX IN HOLLOW BEAD FORM ACTING TO RENDER THE PRODUCT UNOBJECTIONABLY LACHRYMATORY, SAID SALT COMPLEX RESULTING FROM THE SPARY DRYING OF AN AQUEOUS SLURRY CONTAINING A MIXTURE OF AN ALKALI METAL SILICATE OF THE GROUP CONSISTING OF SODIUM SILICATE AND POTASSIUM SILICATE, AND A WATER SOLUBLE SALT OF THE CLASS CONSISTING OF ALKALI METAL PHOSPHATES, SULFATES, CARBONATES AND CHLORIDES.
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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) | 1966-06-10 | 1966-12-10 | 1967-06-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-10 | 1970-12-10 | 1971-06-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-10 | 1974-12-10 | 1975-06-11 | $7700.00 | Window Closed / Lapsed |