US2937207A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the manufacture of quaternary organic phosphorus compounds
Assignee: Hoechst AG
•
Filing: 1958-01-28
•
Granted: 1960-05-17
•
Expires: 1978-01-28
Abstract
No abstract record available.
Inventors
- 👤 Reuter Martin
- 👤 Orthner Ludwig
- 👤 Jakob Franz
- 👤 Wolf Erhard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:52
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/244; D06M13/282; D06M13/285; C; C07; C07F; C07F9/00; C07F9/02; C07F9/28; C07F9/54; C07F9/5407
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
176 words
AN ORGANIC QUATERNARY PHOSPHORUS COMPOUND CONSISITNG ESSENIALLY OF THE REACTION PRODUCT OF TRI-HYDROXYMEHYL PHOSPHINE WITH A QUANTERNIZING AGENT OF THE GROUP CONSISTING OF (A) ALKYL HALIDES CONTAINING UP TO 12 CARBON ATOMS AND UP TO TWO HALOGEN ATOMS ONE OF WHICH IS BOUND TO A TERMINAL CARBON ATOM (B) LOWER ARALKYL HALIDES HAVING A HALOGEN ATOM ON THE TERMINAL CARBON ATOM OF SIDE CHAIN (C) LOWER ALKYLENE HALOHYDRINS (D) DIHALO LOWER ALKYL ETHERS HAVING A HALOGEN ATOM ON EACH TWO TERMINAL CARBON ATOMS (E) LOWER HALO OLEFINES HAVING A HALOGEN ATOM ON A TERMINAL CARBON ATOM (F) LOWER ALKYL ESTERS OF P-TOLUENE SULFONIC ACID (G) LOWER DIALKYL SULFATES (H) CHLORACETAMIDE (I) LOWER ALIPHATIC DIALDEHYDES CONTAINING TWO TO FIVE CARBON ATOMS (J) TRIACYLFORMAL (K) TRIGLYCIDCYANURATE (L) SATURATED LOWER ALIPHATIC EPOXY COMPOUNDS HAVING UP TO TWO EPOXY RINGS AND TWO TO FOUR CARBON ATOMS (M) POLYEPOXIDES PREPARED FROM GLYCERINE AND EPICHLORHYDRIN AND CONTAINING UP TO 7 EPOXY GROUPS PER KILOGRAM (N) ACRYLIC ACID (O) ACRYLAMIDE (P) BETA-BROMETHANE PHOSPHORIC ACID DIETHYLESTER (Q) TRI-CHLOROMETHYL PHOSPHINE OXIDE (R) TETRA-CHLOROMETHYL PHOSPHONIUM CHLORIDE.
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) | 1963-05-17 | 1963-11-16 | 1964-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-17 | 1967-11-16 | 1968-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-17 | 1971-11-16 | 1972-05-17 | $7700.00 | Window Closed / Lapsed |