Patent US3929637A successfully refreshed from Google Patents.
US3929637A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Deodorizing process
Assignee: Ethyl Corp
•
Filing: 1973-07-25
•
Granted: 1975-12-30
•
Expires: 1993-07-25
Abstract
Abstract A method is disclosed for treating residue from the preparation of organophosphorus compounds of the general formula RyP(L)zX3 y (1) WHEREIN R is substantially hydrocarbyl, L is sulfur or oxygen, X is halogen, z is 0 or 1, and y is 1 or 2. The treatment deodorizes and facilitates disposal of this residue.
Inventors
- 👤 Albert E Appleby
- 👤 Tommy G Simpson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:06
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/28; C07F9/38; C07F9/42; C07F9/025; C07F9/30; C07F9/34; C07F9/50; C07F9/52; Y; Y10; Y10S; Y10S210/00; Y10S210/902; Y10S210/916
Claims Analysis
Total Claims: 22
Claim 1
Independent Claim
17 words
HYDROLYZING SAID RESIDUE WITH WATER CONTAINING AN AMOUNT OF SURFACTANT EFFECTIVE TO RETARD TARRY SLUDGE FORMATION AND
Claim 2
Dependent Claim
17 words
HYDROLYZING SAID RESIDUE WITH WATER CONTAINING AN AMOUNT OF SURFACTANT EFFECTIVE TO RETARD TARRY SLUDGE FORMATION AND
Claim 3
Independent Claim
47 words
A METHOD FOR DEODORIZING THE DISTALLATION RESIDUE FROM THE PREPARATION OF ORGANOPHOSPHORUS COMPOUNDS HAVING THE FORMULA RYP(L)2X3-Y, WHEREIN R IS SUBSTANTIALLY AN ALKYL OR ARYL GROUP, L IS S OR O, X IS HALOGEN, Y IS 1 OR 2 AND Z IS 0 OR 1, WHICH COMPRISES
Claim 4
Independent Claim
47 words
A METHOD FOR DEODORIZING THE DISTALLATION RESIDUE FROM THE PREPARATION OF ORGANOPHOSPHORUS COMPOUNDS HAVING THE FORMULA RYP(L)2X3-Y, WHEREIN R IS SUBSTANTIALLY AN ALKYL OR ARYL GROUP, L IS S OR O, X IS HALOGEN, Y IS 1 OR 2 AND Z IS 0 OR 1, WHICH COMPRISES
Claim 5
Dependent Claim
60 words
TREATING THE HYDROLYSATE FROM (1) WITH AN AMOUNT OF BASE SELECTED FROM THE GROUP CONSISTING OF KOH, NAOH, NH3 AND NH4OH, EFFECTIVE TO AT LEAST NEUTRALIZE THE HYDROLYSATE AND AN EFFECTIVE AMOUNT OF INORGANIC OXIDIZING AGENT SELECTED FROM THE GROUP CONSISTING OF SODIUM HYPOCHLORITE, FERRIC CHLORIDE, AND WATER SOLUBLE PERMANGANATES WHEREBY THE ODOR OF THE RESULTANT TREATED RESIDUE IS REDUCED.
Claim 6
Dependent Claim
60 words
TREATING THE HYDROLYSATE FROM (1) WITH AN AMOUNT OF BASE SELECTED FROM THE GROUP CONSISTING OF KOH, NAOH, NH3 AND NH4OH, EFFECTIVE TO AT LEAST NEUTRALIZE THE HYDROLYSATE AND AN EFFECTIVE AMOUNT OF INORGANIC OXIDIZING AGENT SELECTED FROM THE GROUP CONSISTING OF SODIUM HYPOCHLORITE, FERRIC CHLORIDE, AND WATER SOLUBLE PERMANGANATES WHEREBY THE ODOR OF THE RESULTANT TREATED RESIDUE IS REDUCED.
Claim 7
Dependent Claim
60 words
treating the hydrolysate from (1) with an amount of base selected from the group consisting of KOH, NaOH, NH3 and NH4OH, effective to at least neutralize the hydrolysate and an effective amount of inorganic oxidizing agent selected from the group consisting of sodium hypochlorite, ferric chloride, and water soluble permanganates whereby the odor of the resultant treated residue is reduced.
Claim 8
Dependent Claim
60 words
treating the hydrolysate from (1) with an amount of base selected from the group consisting of KOH, NaOH, NH3 and NH4OH, effective to at least neutralize the hydrolysate and an effective amount of inorganic oxidizing agent selected from the group consisting of sodium hypochlorite, ferric chloride, and water soluble permanganates whereby the odor of the resultant treated residue is reduced.
Claim 9
Dependent Claim
10 words
The process of claim 1 wherein said base is ammonia.
Claim 10
Dependent Claim
13 words
The process of claim 1 wherein said inorganic oxidizing agent is potassium permanganate.
Claim 11
Dependent Claim
13 words
The process of claim 1 wherein said organophosphorus compound has the formula RP(S)X2.
Claim 12
Dependent Claim
13 words
The process of claim 1 wherein said organophosphorus compound has the formula RPX2.
Claim 13
Dependent Claim
22 words
The process of claim 1 wherein said surfactant in anionic, said base is ammonia and said inorganic oxidizing agent is potassium permanganate.
Claim 14
Dependent Claim
13 words
The process of claim 6 wherein said organophosphorus compound has the formula RP(S)X2.
Claim 15
Dependent Claim
11 words
The process of claim 7 wherein said organophosphorus compound is C2H5P(S)Cl2.
Claim 16
Dependent Claim
23 words
The process of claim 6 wherein said organic compound has the formula RPX2 wherein R is selected from C1-C6 alkyl and C6-C10 aryl.
Claim 17
Dependent Claim
12 words
The process of claim 6 wherein said water additionally contains alkaline builders.
Claim 18
Dependent Claim
13 words
The process of claim 10 wherein said organophosphorus compound has the formula RP(S)X2.
Claim 19
Dependent Claim
11 words
The process of claim 11 wherein said organophosphorus compound is C2H5P(S)Cl2.
Claim 20
Dependent Claim
28 words
The process of claim 1 wherein said organic compound is a hydrocarbon or halohydrocarbon and the coreaction is carried out in the presence of an aluminum halide catalyst.
Claim 21
Dependent Claim
16 words
The process of claim 1 wherein said organic compound is an alkyl or aryl aluminum compound.
Claim 22
Dependent Claim
16 words
The process of claim 1 wherein said organic compound is an alkyl or aryl mercury compound.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-12-29 | 1979-06-30 | 1979-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-12-29 | 1983-06-30 | 1983-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-12-29 | 1987-06-30 | 1987-12-30 | $7700.00 | Window Closed / Lapsed |