US3019223A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Deodorization of cyanuric chloride
Assignee: —
•
Filing: —
•
Granted: 1962-01-30
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Expires: 1979-01-30
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:05
CPC Classifications
C; C07; C07D; C07D251/00; C07D251/02; C07D251/12; C07D251/26; C07D251/30; C07D251/36
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
A PROCESS FOR PREPARING AN IMPROVED CYANURIC CHLORIDE FREE FROM OBNOXIOUS AND OFFENSIVE ODORS WHICH COMPRISES THE STEPS OF: DISSOLVING CRUDE CYANURIC CHLORIDE IN AN ANHYDROUS INERT ORGANIC SOLVENT; SUBJECTING THE LATTER SOLUTION TO THE TREATMENT OF A DEODORIZATION REAGENT SELECTED FROM THE GROUP CONSISTING OF KETENE AND ACETIC ANHYDRIDE, THE LATTER BEING PRESENT IN AMOUNTS OF FROM 0.1 PERCENT TO ABOUT 10 PERCENT BY WEIGHT BASED ON CYANURIC CHLORIDE; AND THEREAFTER RECOVERING CYANURIC CHLORIDE SUBSTANTIALLY FREE FROM OBNOXIOUS AND OFFENSIVE ODORS.
Claim 2
Dependent Claim
82 words
A PROCESS FOR PREPARING AN IMPROVED CYANURIC CHLORIDE FREE FROM OBNOXIOUS AND OFFENSIVE ODORS WHICH COMPRISES THE STEPS OF: DISSOLVING CRUDE CYANURIC CHLORIDE IN AN ANHYDROUS INERT ORGANIC SOLVENT; SUBJECTING THE LATTER SOLUTION TO THE TREATMENT OF A DEODORIZATION REAGENT SELECTED FROM THE GROUP CONSISTING OF KETENE AND ACETIC ANHYDRIDE, THE LATTER BEING PRESENT IN AMOUNTS OF FROM 0.1 PERCENT TO ABOUT 10 PERCENT BY WEIGHT BASED ON CYANURIC CHLORIDE; AND THEREAFTER RECOVERING CYANURIC CHLORIDE SUBSTANTIALLY FREE FROM OBNOXIOUS AND OFFENSIVE ODORS.
References Cited (Backward Citations)
No citation records indexed.
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 |