US3907756A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of polymeric products
Assignee: BASF SE
•
Filing: 1973-06-20
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Granted: 1975-09-23
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Expires: 1993-06-20
Abstract
Abstract WHERE R1 is methyl and R2 is hydrogen, C1 18 alkyl, C5 10 cycloalkyl or aryl, are reacted at temperatures of between 50*C and 150*C. The process is particularly suitable for the manufacture of surface coatings. Manufacture of polymeric products. Mixtures of (I) at least one compound containing at least two aziridine groupings per molecule and (II) at least one compound containing at least one ester grouping of the general formula:
Inventors
- 👤 Matthias Marx
- 👤 Peter Dimroth
- 👤 Wolfgang Batzill
- 👤 Felix Miksovsky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:18
CPC Classifications
C; C08; C08G; C08G73/00; C08G73/02; C08G73/0206; C08G73/0213
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
38 words
A PROCESS FOR THE MANUFACTURE OF POLYMERIC PRODUCTS FROM MIXTURES OF AZIRIDINE COMPOUNDS AND SUBSTANCES CONTAINING ESTER GROUPS, WHEREIN MIXTURES OF I. AT LEAST ONE COMPOUND CONTAINING, PE MOLECULE, AT LEAST TWO AZIRIDINE GROUPINGS OF THE GENERAL FORMULA:
Claim 2
Dependent Claim
38 words
A PROCESS FOR THE MANUFACTURE OF POLYMERIC PRODUCTS FROM MIXTURES OF AZIRIDINE COMPOUNDS AND SUBSTANCES CONTAINING ESTER GROUPS, WHEREIN MIXTURES OF I. AT LEAST ONE COMPOUND CONTAINING, PE MOLECULE, AT LEAST TWO AZIRIDINE GROUPINGS OF THE GENERAL FORMULA:
Claim 3
Dependent Claim
24 words
A process as claimed in claim 1, wherein the mixtures of components (I) and (II) are reacted at temperatures of from 50* to 150*C.
Claim 4
Dependent Claim
33 words
A process as claimed in claim 1, wherein the mixtures of components (I) and (II) are reacted in the presence of conventional organic solvents with the addition of small amounts of strong acids.
Claim 5
Dependent Claim
21 words
A process as claimed in claim 1, wherein the component (I) used is at least one compound of the general formula:
Claim 6
Dependent Claim
21 words
A process as claimend in claim 1, wherein the component (I) used is at least one compound of the general formula:
Claim 7
Dependent Claim
21 words
A process as claimed in claim 1, wherein the component (I) used is at least one compound of the general formula:
Claim 8
Dependent Claim
21 words
A process as claimed in claim 1, wherein the component (I) used is at least one compound of the general formula:
Claim 9
Dependent Claim
21 words
A process as claimed in claim 1, wherein the component (I) used is at least one compound of the general formula:
Claim 10
Dependent Claim
22 words
A process as claimed in claim 1, wherein R1 in the compound containing at least one ester grouping of the general formula
Claim 11
Dependent Claim
27 words
A process as claimed in claim 1, wherein the component (II) is a polymer, polycondensate or polyadduct to which at least one radical of the general formula
Claim 12
Dependent Claim
29 words
A process as claimed in claim 1, wherein the component (II) comprises at least one compound selected from the group consisting of di-(1-methyl-2-oxabutyl) maleate and di-( Alpha -ethoxyethyl) adipate.
Claim 13
Dependent Claim
38 words
A process as claimed in claim 1, wherein the component (II) is a polymer containing polymerized units of at least one compound selected from the group consisting of Alpha -ethoxyethyl acrylate, Alpha -ethoxy methacrylate and butyl-Alpha -ethoxyethyl maleate.
References Cited (Backward Citations)
US3806498A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-09-22 | 1979-03-24 | 1979-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-09-22 | 1983-03-24 | 1983-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-09-22 | 1987-03-24 | 1987-09-23 | $7700.00 | Window Closed / Lapsed |