US3331896A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of preparing alkali soluble phosphate esters of hydroxylic organic compounds
Assignee: GAF Chemicals Corp
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Filing: 1964-09-15
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Granted: 1967-07-18
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Expires: 1984-09-15
Abstract
No abstract record available.
Inventors
- 👤 Jr Fred S Eiseman
- 👤 Leslie M Schenck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 05:51
CPC Classifications
C; C11; C11D; C11D1/00; C11D1/02; C11D1/34; C11D1/345; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/08; C07F9/09; C07F9/091; C07F9/098
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
148 words
THE PROCESS OF PREPARING ALKALI SOLUBLE PHOSPHATE ESTERS OF HYDROXYLIC ORGANIC COMPOUNDS WHICH COMPRISES REACTION 1 MOLE OF P2O5 AS PRESENT IN 110%-120% POLYPHOSPHORIC ACID WITH 0.3 TO 1.5 MOLES OF A HYDROXYLIC ORGANIC COMPOUND SELECTED FROM THE GROUP CONSISTING OF PRIMARY ALIPHATIC ALCOHOLS FROM 3 TO 5 CARBON ATOMS, CYCLOALIPHATIC ALCOHOLS OF FROM 4 TO 5 CARBON ATOMS, ETHYLENEGLYCOL MONOALKYL ETHERS WHEREIN THE MONOALKYL GROUP CONTAINS FROM 1 TO 5 CARBON ATOMS, AND A NONIONIC SURFACE ACTIVE AGENT HAVING THE MOLECULAR CONFIGURATION OF A CONDENSATION PRODUCT OF AT LEAST 1 MOLE OF AN ALKYLENE OXIDE OF FROM 2 TO 4 CARBON ATOMS WITH 1 MOLE OF A HYDROXYLIC ORGANIC COMPOUND SELECTED FROM THE GROUP CONSISTING OF A PRIMARY ALIPHATIC ALCOHOL OF FROM 3 TO 5 CARBON ATOMS, CYCLOALIPHATIC ALCOHOL OF FORM 4 TO 5 CARBON ATOMS, AT A TEMPERATURE OF ABOUT 145*C. DOW TO ABOUT ROOM TEMPERATURE.
Claim 2
Dependent Claim
148 words
THE PROCESS OF PREPARING ALKALI SOLUBLE PHOSPHATE ESTERS OF HYDROXYLIC ORGANIC COMPOUNDS WHICH COMPRISES REACTION 1 MOLE OF P2O5 AS PRESENT IN 110%-120% POLYPHOSPHORIC ACID WITH 0.3 TO 1.5 MOLES OF A HYDROXYLIC ORGANIC COMPOUND SELECTED FROM THE GROUP CONSISTING OF PRIMARY ALIPHATIC ALCOHOLS FROM 3 TO 5 CARBON ATOMS, CYCLOALIPHATIC ALCOHOLS OF FROM 4 TO 5 CARBON ATOMS, ETHYLENEGLYCOL MONOALKYL ETHERS WHEREIN THE MONOALKYL GROUP CONTAINS FROM 1 TO 5 CARBON ATOMS, AND A NONIONIC SURFACE ACTIVE AGENT HAVING THE MOLECULAR CONFIGURATION OF A CONDENSATION PRODUCT OF AT LEAST 1 MOLE OF AN ALKYLENE OXIDE OF FROM 2 TO 4 CARBON ATOMS WITH 1 MOLE OF A HYDROXYLIC ORGANIC COMPOUND SELECTED FROM THE GROUP CONSISTING OF A PRIMARY ALIPHATIC ALCOHOL OF FROM 3 TO 5 CARBON ATOMS, CYCLOALIPHATIC ALCOHOL OF FORM 4 TO 5 CARBON ATOMS, AT A TEMPERATURE OF ABOUT 145*C. DOW TO ABOUT ROOM TEMPERATURE.
References Cited (Backward Citations)
US3004056A
Cited
US3004057A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-07-17 | 1971-01-16 | 1971-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-17 | 1975-01-16 | 1975-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-17 | 1979-01-16 | 1979-07-18 | $7700.00 | Window Closed / Lapsed |