Patent US3944526A successfully refreshed from Google Patents.
US3944526A
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N-cyanosulfonamide resins and intermediates therefor and products thereof
Assignee: Novartis Corp
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Filing: 1974-02-04
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Granted: 1976-03-16
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Expires: 1994-02-04
Abstract
Abstract This invention provides compositions containing polysulfonamides which are prepared by the addition polymerization of bis-N-cyanosulfonamides. The resins are useful in coating, molding, laminating and casting applications.
Inventors
- 👤 Raymond J. Kray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 15:25
CPC Classifications
C; C08; C08G; C08G73/00; C08G73/06; C08G73/0622; C08G73/0638; C08G73/065; B; B32; B32B; B32B5/00; B32B5/22; B32B5/24; B32B5/26; B32B5/02; B32B5/024; C08G73/0655; B32B38/00; B32B2038/0052; B32B2038/0076; B32B2262/00; B32B2262/02; B32B2262/0261; B32B2305/00; B32B2305/07; B32B2305/076; B32B2305/72; Y; Y10; Y10S; Y10S428/00; Y10S428/901; Y10T; Y10T428/00; Y10T428/31504; Y10T442/00; Y10T442/20; Y10T442/2861; Y10T442/2893; Y10T442/2902; Y10T442/2926; Y10T442/2984; Y10T442/2992
Claims Analysis
Total Claims: 17
Claim 1
Independent Claim
44 words
The addition polymerization product of an N-cyanosulfonamide compound of the formula: ##EQU10## with a bis cyanamide of the formula: ##EQU11## wherein R is a divalent aromatic, aliphatic, cycloaliphatic or heterocyclic radical; and each R' is independently a monovalent aromatic, aliphatic, cycloaliphatic or heterocyclic radical.
Claim 2
Dependent Claim
44 words
The addition polymerization product of an N-cyanosulfonamide compound of the formula: ##EQU10## with a bis cyanamide of the formula: ##EQU11## wherein R is a divalent aromatic, aliphatic, cycloaliphatic or heterocyclic radical; and each R' is independently a monovalent aromatic, aliphatic, cycloaliphatic or heterocyclic radical.
Claim 3
Dependent Claim
46 words
A polymer of claim 1 wherein R is an aromatic radical selected from the group consisting of phenylene, bisphenylene, naphthylene and the foregoing radicals linked by divalent groups selected from the group consisting of oxa, carbonyl, lower alkylene, lower alkylidene, sulfonyl, thia, arylimino, amido and imido.
Claim 4
Dependent Claim
19 words
A laminate of a polymer of claim 1 which consists essentially of a fibrous substrate impregnated with said polymer.
Claim 5
Dependent Claim
17 words
A laminate according to claim 3 wherein the fibrous substrate is glass, graphite, boron, or aromatic polyamide.
Claim 6
Dependent Claim
9 words
A molded part of a polymer of claim 1.
Claim 7
Dependent Claim
11 words
A cast film or coating of a polymer of claim 1.
Claim 8
Dependent Claim
62 words
A polymer of a bis-N-cyanosulfonamide compound of the formula ##EQU12## wherein R is a divalent aromatic, aliphatic, cycloaliphatic or heterocyclic radical; and each R 1 is independently a monovalent aromatic, aliphatic, cycloaliphatic or heterocyclic radical, with 0-10 moles per mole of the sulfonamide of a bis cyanamide having the formula: ##EQU13## wherein R is a divalent aromatic, aliphatic, cycloaliphatic or heterocyclic radical.
Claim 9
Dependent Claim
62 words
A polymer of a bis-N-cyanosulfonamide compound of the formula ##EQU12## wherein R is a divalent aromatic, aliphatic, cycloaliphatic or heterocyclic radical; and each R 1 is independently a monovalent aromatic, aliphatic, cycloaliphatic or heterocyclic radical, with 0-10 moles per mole of the sulfonamide of a bis cyanamide having the formula: ##EQU13## wherein R is a divalent aromatic, aliphatic, cycloaliphatic or heterocyclic radical.
Claim 10
Dependent Claim
14 words
The polymer of claim 7 wherein 1-10 moles of the bis cyanamide are used.
Claim 11
Dependent Claim
47 words
The polymer of claim 8 wherein R is a divalent aromatic radical selected from the group consisting of phenylene, bisphenylene, naphthylene and the foregoing radicals linked by divalent groups selected from the group consisting of oxa, carbonyl, lower alkylene, lower alkylidene, sulfonyl, thia, arylimino, amido and imido.
Claim 12
Dependent Claim
20 words
A polymer of claim 7 wherein the N-cyano-sulfonamide has the formula ##SPC17## and the bis cyanamide has the formula ##SPC18##
Claim 13
Dependent Claim
16 words
A polymer according to claim 7 formed by the polymerization of N-cyanosulfonamide and no bis cyanamide.
Claim 14
Dependent Claim
19 words
A laminate of a polymer of claim 7 which consists essentially of a fibrous substrate impregnated with said polymer.
Claim 15
Dependent Claim
17 words
A laminate according to claim 12 wherein the fibrous substrate is glass, graphite, boron, or aromatic polyamide.
Claim 16
Dependent Claim
9 words
A molded part of a polymer of claim 7.
Claim 17
Dependent Claim
11 words
A cast film or coating of a polymer of claim 7.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-03-16 | 1979-09-15 | 1980-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-03-16 | 1983-09-15 | 1984-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-03-16 | 1987-09-15 | 1988-03-16 | $7700.00 | Window Closed / Lapsed |