US4098768A
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Bispiperazido phosphorus polyamides
Assignee: Chevron Belgium NV
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Filing: 1975-11-03
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Granted: 1978-07-04
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Expires: 1995-11-03
Abstract
Abstract Novel polymers, useful as films or filaments, are prepared as by the reaction of a bispiperazidophosphosphorus compound with a reactive derivative of an acid.
Inventors
- 👤 Johny C. Hermans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:27
CPC Classifications
C; C08; C08G; C08G69/00; C08G69/42
Claims Analysis
Total Claims: 18
Claim 1
Independent Claim
149 words
A solid polymer consisting essentially of repeating units of the formula ##STR21## wherein (i) X is oxygen or sulfur or ═N--R and a is 0 or 1; (ii) Y represents an aliphatic, cycloaliphatic, or aromatic hydrocarbon group; or --OR; or --NR 2 , other than dimethylamino; or --NR 2 in which the two R groups, together with the nitrogen atom to which they are attached, represent an N-containing heterocyclic ring; or a group of the formula ##STR22## wherein R, R 1 , R 2 , and R 3 represent hydrogen or an aliphatic, cycloaliphatic, or aromatic hydrocarbon group; (iii) R 4 represents hydrogen or an aliphatic group, a cycloaliphatic group, an acyl group, or an unsubstituted carbamoyl group; (iv) n 1 , n 2 , and n 3 each represent 0 or an integer; (v) Z represents ##STR23## (vi) R 5 represents an aliphatic, cycloaliphatic, or aromatic hydrocarbon group.
Claim 2
Dependent Claim
149 words
A solid polymer consisting essentially of repeating units of the formula ##STR21## wherein (i) X is oxygen or sulfur or ═N--R and a is 0 or 1; (ii) Y represents an aliphatic, cycloaliphatic, or aromatic hydrocarbon group; or --OR; or --NR 2 , other than dimethylamino; or --NR 2 in which the two R groups, together with the nitrogen atom to which they are attached, represent an N-containing heterocyclic ring; or a group of the formula ##STR22## wherein R, R 1 , R 2 , and R 3 represent hydrogen or an aliphatic, cycloaliphatic, or aromatic hydrocarbon group; (iii) R 4 represents hydrogen or an aliphatic group, a cycloaliphatic group, an acyl group, or an unsubstituted carbamoyl group; (iv) n 1 , n 2 , and n 3 each represent 0 or an integer; (v) Z represents ##STR23## (vi) R 5 represents an aliphatic, cycloaliphatic, or aromatic hydrocarbon group.
Claim 3
Dependent Claim
16 words
A solid polymer as claimed in claim 1 wherein n 1 and n 2 are zero.
Claim 4
Dependent Claim
19 words
A solid polymer as claimed in claim 1 wherein a is 1 and Y represents alkoxy, aryloxy, or dialkylamino.
Claim 5
Dependent Claim
22 words
A solid polymer as claimed in claim 1 wherein Z represents a diacyl radical derived from an aliphatic or aromatic dicarboxylic acid.
Claim 6
Dependent Claim
114 words
A solid polymer consisting essentially of repeating units of the formula ##STR24## wherein (i) X is oxygen or sulfur (ii) Y represents an aliphatic, cycloaliphatic, or aromatic hydrocarbon group; or --OR; or --NR 2 , other than dimethylamino; or --NR 2 in which the two R groups, together with the nitrogen atom to which they are attached, represent an N-containing heterocyclic ring; or a group of the formula ##STR25## wherein R and R 3 represent hydrogen or an aliphatic or cycloaliphatic or aromatic hydrocarbon group; (iii) R 4 represents hydrogen or an aliphatic group, a cycloaliphatic group, an acyl group, or an unsubstituted carbamoyl group; and (iv) n 3 represents zero or an integer.
Claim 7
Dependent Claim
114 words
A solid polymer consisting essentially of repeating units of the formula ##STR24## wherein (i) X is oxygen or sulfur (ii) Y represents an aliphatic, cycloaliphatic, or aromatic hydrocarbon group; or --OR; or --NR 2 , other than dimethylamino; or --NR 2 in which the two R groups, together with the nitrogen atom to which they are attached, represent an N-containing heterocyclic ring; or a group of the formula ##STR25## wherein R and R 3 represent hydrogen or an aliphatic or cycloaliphatic or aromatic hydrocarbon group; (iii) R 4 represents hydrogen or an aliphatic group, a cycloaliphatic group, an acyl group, or an unsubstituted carbamoyl group; and (iv) n 3 represents zero or an integer.
Claim 8
Dependent Claim
126 words
A solid polymer consisting essentially of repeating units of the formula ##STR26## wherein (i) X is oxygen or sulfur; (ii) Y represents an aliphatic, cycloaliphatic, or aromatic hydrocarbon group; or --OR; or --NR 2 , other than dimethylamino; or --NR 2 in which the two R groups, together with the nitrogen atom to which they are attached, represent an N-containing heterocyclic ring; or a group of the formula: ##STR27## wherein R and R 3 represent hydrogen or an aliphatic of the cycloaliphatic or aromatic hydrocarbon group; (iii) R 4 represents hydrogen or an aliphatic group, a cycloaliphatic group, an acyl group, or an unsubstituted carbamoyl group; (iv) n.sup. 3 represents zero or an integer; and (v) R 5 represents an aliphatic, cycloaliphatic, or aromatic hydrocarbon groups.
Claim 9
Dependent Claim
126 words
A solid polymer consisting essentially of repeating units of the formula ##STR26## wherein (i) X is oxygen or sulfur; (ii) Y represents an aliphatic, cycloaliphatic, or aromatic hydrocarbon group; or --OR; or --NR 2 , other than dimethylamino; or --NR 2 in which the two R groups, together with the nitrogen atom to which they are attached, represent an N-containing heterocyclic ring; or a group of the formula: ##STR27## wherein R and R 3 represent hydrogen or an aliphatic of the cycloaliphatic or aromatic hydrocarbon group; (iii) R 4 represents hydrogen or an aliphatic group, a cycloaliphatic group, an acyl group, or an unsubstituted carbamoyl group; (iv) n.sup. 3 represents zero or an integer; and (v) R 5 represents an aliphatic, cycloaliphatic, or aromatic hydrocarbon groups.
Claim 10
Dependent Claim
12 words
A solid polymer consisting essentially of repeating units of the formula: ##STR28##
Claim 11
Dependent Claim
12 words
A solid polymer consisting essentially of repeating units of the formula: ##STR28##
Claim 12
Dependent Claim
12 words
A solid polymer consisting essentially of repeating units of the formula: ##STR29##
Claim 13
Dependent Claim
12 words
A solid polymer consisting essentially of repeating units of the formula: ##STR29##
Claim 14
Dependent Claim
12 words
A solid polymer consisting essentially of repeating units of the formula: ##STR30##
Claim 15
Dependent Claim
12 words
A solid polymer consisting essentially of repeating units of the formula: ##STR30##
Claim 16
Dependent Claim
54 words
A process for the production of a solid polymer as claimed in claim 1 which comprises reacting a bispiperazide of the formula: ##STR31## with a reactive derivative of an acid, said derivative having the formula: R.sup.7 -- X-- R.sup.8 wherein Z is ##STR32## and R 7 and R 8 represent halogen, hydroxy, or alkoxy.
Claim 17
Dependent Claim
25 words
A process for the production of a solid polymer as claimed in claim 10 which comprises reacting a bispiperazide of the formula ##STR33## with ##STR34##
Claim 18
Dependent Claim
25 words
A process for the production of a solid polymer as claimed in claim 10 which comprises reacting a bispiperazide of the formula ##STR35## with ##STR36##
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1981-07-03 | 1982-01-02 | 1982-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-07-03 | 1986-01-02 | 1986-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-07-03 | 1990-01-02 | 1990-07-04 | $7700.00 | Window Closed / Lapsed |