US2793973A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Treatment of garbage and other wastes
Assignee: —
•
Filing: —
•
Granted: 1957-05-28
•
Expires: 1974-05-28
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:34
CPC Classifications
B; B01; B01D; B01D53/00; B01D53/02; C; C04; C04B; C04B2/00; C04B2/02; C04B2/04; C04B2/06; C04B40/00; C04B40/0028; C04B40/0039
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
IN A METHOD OF MAKING AN IMPROVED SANITARY LIME, THE STEPS WHICH INCLUDE EFFECTING JHYDRATION OF LIME IN THE PRESENCE OF A MINOR PROPORTION OF AT LEAT ONE WETTING AGENT SELECTED FROM THE GROUP CONSISTING OF ANIONIC WETTING AGENTS AND NON-IONIC WETTING AGENTS CONTAINING AN ALIPHATIC RADICAL HAVING FROM 12 TO 18 CARBON ATOMS, THEN ADMIXING SAID HYDRATED LIME WITH A MINOR PROPORTION OF AN EMULSION OF (A) AT LEAST ONE CHLOKRINATED AROMATIC HYDROCARBON SELECTED FROM THE GROUP CONSISTING OF MONO- AND DI-CHLORINATED BENZENES AND MONO- AND DICHLORINATED NAPTHALENES, AND (B) A QUARTERNARY AMMONIUM COMPOND HAVING A LONG CHAIN ALKYL RADICAL AND BACTERICIDALLY ACTIVE AT A PH IN EXCESS OF 8 AND UP TO APPROXIMATELY 12, AND AGITATING THE MIXTURE TO PRODUCE A PULVERULETN PRODUCT.
Claim 2
Dependent Claim
125 words
IN A METHOD OF MAKING AN IMPROVED SANITARY LIME, THE STEPS WHICH INCLUDE EFFECTING JHYDRATION OF LIME IN THE PRESENCE OF A MINOR PROPORTION OF AT LEAT ONE WETTING AGENT SELECTED FROM THE GROUP CONSISTING OF ANIONIC WETTING AGENTS AND NON-IONIC WETTING AGENTS CONTAINING AN ALIPHATIC RADICAL HAVING FROM 12 TO 18 CARBON ATOMS, THEN ADMIXING SAID HYDRATED LIME WITH A MINOR PROPORTION OF AN EMULSION OF (A) AT LEAST ONE CHLOKRINATED AROMATIC HYDROCARBON SELECTED FROM THE GROUP CONSISTING OF MONO- AND DI-CHLORINATED BENZENES AND MONO- AND DICHLORINATED NAPTHALENES, AND (B) A QUARTERNARY AMMONIUM COMPOND HAVING A LONG CHAIN ALKYL RADICAL AND BACTERICIDALLY ACTIVE AT A PH IN EXCESS OF 8 AND UP TO APPROXIMATELY 12, AND AGITATING THE MIXTURE TO PRODUCE A PULVERULETN PRODUCT.
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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) | 1960-05-27 | 1960-11-26 | 1961-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-05-27 | 1964-11-26 | 1965-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-05-27 | 1968-11-26 | 1969-05-28 | $7700.00 | Window Closed / Lapsed |