Patent US3192242A successfully refreshed from Google Patents.
US3192242A
Expired / Lapsed
US
⏱️ 0.0 years remaining
2, 2-bis(halomethyl)-1, 3-propylenebis (phosphorodihalidates) and halogenated diphosphate esters thereof
Assignee: Stauffer Chemical Co
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Filing: 1962-03-07
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Granted: 1965-06-29
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Expires: 1982-03-07
Abstract
No abstract record available.
Inventors
- 👤 Gail H Birum
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:31
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/244; D06M13/282; D06M13/292; D06M13/295; C; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/08; C07F9/09; C07F9/091; C07F9/093; C07F9/14; C07F9/141; C07F9/547; C07F9/6564; C07F9/6571; C07F9/6574; C07F9/65742; C07F9/65746; C08; C08F; C08F30/00; C08F30/02; C08G; C08G79/00; C08G79/02; C08G79/04; C08K; C08K5/00; C08K5/49; C08K5/51; C08K5/52; C08K5/521; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/26; C10L1/2633; C10L1/2641; C10M; C10M137/00; C10M137/12; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/042
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
58 words
A PROCESS WHICH COMPRISES REACTING (A) THE PENTAERYTHRIITOL ESTER OF PHOSPHOROHALIDOUS ACID CONTAINING REACTION PRODUCT OF PENTAERYTHRITOL AND A TRIVALENT PHOSPHORUS TRIHALIDE SELECTED FROM THE GROUP CONSISTING OF PHOSPHORUS TRICHLORIDE AND PHOSPHORUS TRIBROMIDE WITH (B) A HALOGEN SELECTED FROM THE GROUP CONSISTING OF BROMINE AND CHLORINE TO FORM AS A RESULTING REACTION PRODUCT A COMPOUND OF THE FORMULA
Claim 2
Dependent Claim
58 words
A PROCESS WHICH COMPRISES REACTING (A) THE PENTAERYTHRIITOL ESTER OF PHOSPHOROHALIDOUS ACID CONTAINING REACTION PRODUCT OF PENTAERYTHRITOL AND A TRIVALENT PHOSPHORUS TRIHALIDE SELECTED FROM THE GROUP CONSISTING OF PHOSPHORUS TRICHLORIDE AND PHOSPHORUS TRIBROMIDE WITH (B) A HALOGEN SELECTED FROM THE GROUP CONSISTING OF BROMINE AND CHLORINE TO FORM AS A RESULTING REACTION PRODUCT A COMPOUND OF THE FORMULA
Claim 3
Dependent Claim
77 words
A PROCESS FOR PREPARING ORGANOPHOSPHORUS COMPOUNDS WHICH COMPRISES REACTING (A) THE PENTAERYTHRITOL ESTER OF PHOSPHOROHALIDOUS ACID CONTAINING REACTION PRODUCT OF PENTAERYTHRITOL AND A PHOSPHORUS TRIHALIDE SELECTED FROM THE GROUP CONSISTING OF PHOSPHORUS TRIBROMIDE AND PHOSPHORUS TRICHLORIDE WITH (B) A HALOGEN SELECTED FROM THE GROUP CONSISTING OF CHLORINE AND BROMINE TO FORM A 2,2 - BIS(HALOMETHYL) - 1,3 - PROPYLENEBIS(PHOSPHORODIHALIDATE) REACTION PRODUCT (C), AND REACTING THE REACTION PRODUCT (C) WITH AT LEAST ONE EPOXIDE COMPOUND OF THE FORMULA
Claim 4
Dependent Claim
77 words
A PROCESS FOR PREPARING ORGANOPHOSPHORUS COMPOUNDS WHICH COMPRISES REACTING (A) THE PENTAERYTHRITOL ESTER OF PHOSPHOROHALIDOUS ACID CONTAINING REACTION PRODUCT OF PENTAERYTHRITOL AND A PHOSPHORUS TRIHALIDE SELECTED FROM THE GROUP CONSISTING OF PHOSPHORUS TRIBROMIDE AND PHOSPHORUS TRICHLORIDE WITH (B) A HALOGEN SELECTED FROM THE GROUP CONSISTING OF CHLORINE AND BROMINE TO FORM A 2,2 - BIS(HALOMETHYL) - 1,3 - PROPYLENEBIS(PHOSPHORODIHALIDATE) REACTION PRODUCT (C), AND REACTING THE REACTION PRODUCT (C) WITH AT LEAST ONE EPOXIDE COMPOUND OF THE FORMULA
Claim 5
Dependent Claim
5 words
A COMPOUND OF THE FORMULA
Claim 6
Dependent Claim
5 words
A COMPOUND OF THE FORMULA
Claim 7
Dependent Claim
5 words
THE COMPOUND OF THE FORMULA
Claim 8
Dependent Claim
5 words
THE COMPOUND OF THE FORMULA
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) | 1968-06-28 | 1968-12-28 | 1969-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-28 | 1972-12-28 | 1973-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-28 | 1976-12-28 | 1977-06-29 | $7700.00 | Window Closed / Lapsed |