US3361715A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for accelerating the reaction of epoxy compounds with compounds containing nh2 and/or nh groups
Assignee: Dynamit Nobel AG
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Filing: 1964-04-23
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Granted: 1968-01-02
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Expires: 1984-04-23
Abstract
No abstract record available.
Inventors
- 👤 Vogt Wilhelm
- 👤 Jannsen Paul
- 👤 Richtzenhain Hermann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 09:37
CPC Classifications
C; C08; C08L; C08L63/00; C08G; C08G59/00; C08G59/18; C08G59/40; C08G59/4007; C08G59/4064; C08G59/50; C08G59/68; C08G59/687
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
62 words
IN THE PROCESS OF REACTING A MEMBER SELECTED FROM THE GROUP CONSISTING OF MONOEPOXIDES, POLYEPOXIDES AND MIXTURES THEREOF WITH A NH2 AND/OR NH CONTAINING COMPOUND SELECTED FROM THE GROUP CONSISTING OF ALIPHATIC AMINES AND CYCLOALIPHATIC AMINES THE IMPROVEMENT FOR ACCELERATING THE REACTION WHICH COMPRISES EMPLOYING A COMPOUND SELECTED FROM THE GROUP CONSISTING OF NH4SCN, NASCN, KSCN, MG(SCN)2, CA(SCN)2, ZN(SCN))2, PYRIDINE HSCN, QUINOLINE.HSCN,
Claim 2
Dependent Claim
62 words
IN THE PROCESS OF REACTING A MEMBER SELECTED FROM THE GROUP CONSISTING OF MONOEPOXIDES, POLYEPOXIDES AND MIXTURES THEREOF WITH A NH2 AND/OR NH CONTAINING COMPOUND SELECTED FROM THE GROUP CONSISTING OF ALIPHATIC AMINES AND CYCLOALIPHATIC AMINES THE IMPROVEMENT FOR ACCELERATING THE REACTION WHICH COMPRISES EMPLOYING A COMPOUND SELECTED FROM THE GROUP CONSISTING OF NH4SCN, NASCN, KSCN, MG(SCN)2, CA(SCN)2, ZN(SCN))2, PYRIDINE HSCN, QUINOLINE.HSCN,
Claim 3
Dependent Claim
48 words
IN THE PROCESS OF REACTING A DIGLYCIDYL ETHER PREPARED FROM 2,2 - BIS(4 - OXYPHENYL) - PROPANE HAVING AN EPOXY VALUE OF 0.53 WITH 2-METHYL-3,3-BIS(V-AMINOPRPYL)-3,45,6-TETRAHYDROPYRIDINE, THE IMPORVEMENT FOR ACCELERATING SAID REACTION WHICH COMPRISES EOMPLYING 0.05 TO 10 WT. PERCENT OF KSCN REFERRED TO SAID DIGLYCIDYL ETHER AS ACCELERATOR.
Claim 4
Dependent Claim
48 words
IN THE PROCESS OF REACTING A DIGLYCIDYL ETHER PREPARED FROM 2,2 - BIS(4 - OXYPHENYL) - PROPANE HAVING AN EPOXY VALUE OF 0.53 WITH 2-METHYL-3,3-BIS(V-AMINOPRPYL)-3,45,6-TETRAHYDROPYRIDINE, THE IMPORVEMENT FOR ACCELERATING SAID REACTION WHICH COMPRISES EOMPLYING 0.05 TO 10 WT. PERCENT OF KSCN REFERRED TO SAID DIGLYCIDYL ETHER AS ACCELERATOR.
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) | 1971-01-01 | 1971-07-03 | 1972-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-01 | 1975-07-03 | 1976-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-01 | 1979-07-03 | 1980-01-02 | $7700.00 | Window Closed / Lapsed |