Patent US4172935A successfully refreshed from Google Patents.
US4172935A
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Bispierazido phosphorus polyamides
Assignee: Chevron Belgium NV
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Filing: 1978-06-26
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Granted: 1979-10-30
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Expires: 1998-06-26
Abstract
Abstract Novel polymers, useful as films or filaments, are prepared as by the reaction of a bispiperazide with a reactive derivative of an acid.
Inventors
- 👤 Johny C. Hermans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 11:16
CPC Classifications
C; C08; C08G; C08G69/00; C08G69/42; C08G77/00; C08G77/60
Claims Analysis
Total Claims: 17
Claim 1
Independent Claim
163 words
A polymer consisting essentially of repeating units of the formula: ##STR21## wherein (i) X is absent or represents oxygen or sulphur or ═N--R; (ii) Y represents an aliphatic, cycloaliphatic, or aromatic hydrocarbon group or a heterocyclic group; or --OR or --NR 2 ; 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 or a heterocyclic group; (iii) R 4 represents hydrogen or an aliphatic group, a cycloaliphatic group, a heterocyclic group, an acyl group, a sulfonyl group, or an unsubstituted carbamoyl group; (iv) n 1 , n 2 , and n 3 each represent zero or an integer; (v) Z represents ##STR23## (vi) R 5 and R 6 represent an aliphatic, cycloaliphatic, or aromatic hydrocarbon radical, or a heterocyclic radical.
Claim 2
Dependent Claim
163 words
A polymer consisting essentially of repeating units of the formula: ##STR21## wherein (i) X is absent or represents oxygen or sulphur or ═N--R; (ii) Y represents an aliphatic, cycloaliphatic, or aromatic hydrocarbon group or a heterocyclic group; or --OR or --NR 2 ; 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 or a heterocyclic group; (iii) R 4 represents hydrogen or an aliphatic group, a cycloaliphatic group, a heterocyclic group, an acyl group, a sulfonyl group, or an unsubstituted carbamoyl group; (iv) n 1 , n 2 , and n 3 each represent zero or an integer; (v) Z represents ##STR23## (vi) R 5 and R 6 represent an aliphatic, cycloaliphatic, or aromatic hydrocarbon radical, or a heterocyclic radical.
Claim 3
Dependent Claim
16 words
A polymer as claimed in claim 1 wherein n 1 and n 2 both are zero.
Claim 4
Dependent Claim
14 words
A polymer as claimed in claim 1 wherein Y is alkoxy, aryloxy, or dialkylamino.
Claim 5
Dependent Claim
148 words
A polymer consisting essentially of repeating units of the formula: ##STR24## 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 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, 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 ##STR26## and (vi) R 5 and R 6 represent an aliphatic, cycloaliphatic, or aromatic hydrocarbon group.
Claim 6
Dependent Claim
148 words
A polymer consisting essentially of repeating units of the formula: ##STR24## 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 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, 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 ##STR26## and (vi) R 5 and R 6 represent an aliphatic, cycloaliphatic, or aromatic hydrocarbon group.
Claim 7
Dependent Claim
15 words
A polymer as claimed in claim 4 wherein n 1 and n 2 are zero.
Claim 8
Dependent Claim
18 words
A polymer as claimed in claim 4 wherein a is 1 and Y represents alkoxy, aryloxy, or dialkylamino.
Claim 9
Dependent Claim
126 words
A polymer consisting essentially of repeating units of the formula: ##STR27## wherein (i) X is oxygen or sulfur or is absent; (ii) Y represents an aliphatic, cycloaliphatic, or aromatic hydrocarbon group; or --OR; or --NR 2 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: ##STR28## 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; (iv) n 3 represents zero or an integer; and (v) R 5 and R 6 represent an aliphatic, cycloaliphatic or aromatic hydrocarbon group.
Claim 10
Dependent Claim
126 words
A polymer consisting essentially of repeating units of the formula: ##STR27## wherein (i) X is oxygen or sulfur or is absent; (ii) Y represents an aliphatic, cycloaliphatic, or aromatic hydrocarbon group; or --OR; or --NR 2 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: ##STR28## 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; (iv) n 3 represents zero or an integer; and (v) R 5 and R 6 represent an aliphatic, cycloaliphatic or aromatic hydrocarbon group.
Claim 11
Dependent Claim
118 words
A polymer consisting essentially of repeating units of the formula: ##STR29## wherein (i) Y represents an aliphatic, cycloaliphatic, or aromatic hydrocarbon group; or --OR; or --NR 2 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: ##STR30## wherein R and R 3 represent hydrogen or an aliphatic of the cycloaliphatic or aromatic hydrocarbon group; (ii) R 4 represents hydrogen or an aliphatic group; a cycloaliphatic group, an acyl group, or an unsubstituted carbamoyl group; (iii) n 3 represents zero or an integer; and (iv) R 5 and R 6 represent an aliphatic, cycloaliphatic, or aromatic hydrocarbon groups.
Claim 12
Dependent Claim
118 words
A polymer consisting essentially of repeating units of the formula: ##STR29## wherein (i) Y represents an aliphatic, cycloaliphatic, or aromatic hydrocarbon group; or --OR; or --NR 2 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: ##STR30## wherein R and R 3 represent hydrogen or an aliphatic of the cycloaliphatic or aromatic hydrocarbon group; (ii) R 4 represents hydrogen or an aliphatic group; a cycloaliphatic group, an acyl group, or an unsubstituted carbamoyl group; (iii) n 3 represents zero or an integer; and (iv) R 5 and R 6 represent an aliphatic, cycloaliphatic, or aromatic hydrocarbon groups.
Claim 13
Dependent Claim
118 words
A polymer consisting essentially of repeating units of the formula: ##STR31## wherein (i) Y represents an aliphatic, cycloaliphatic, or aromatic hydrocarbon group; or --OR; or --NR 2 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: ##STR32## wherein R and R 3 represent hydrogen or an aliphatic of the cycloaliphatic or aromatic hydrocarbon group; (ii) R 4 represents hydrogen or an aliphatic group, a cycloaliphatic group, an acyl group, or an unsubstituted carbamoyl group; (iii) n 3 represents zero or an integer; and (iv) R 5 and R 6 represent an aliphatic, cycloaliphatic; or aromatic hydrocarbon groups.
Claim 14
Dependent Claim
118 words
A polymer consisting essentially of repeating units of the formula: ##STR31## wherein (i) Y represents an aliphatic, cycloaliphatic, or aromatic hydrocarbon group; or --OR; or --NR 2 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: ##STR32## wherein R and R 3 represent hydrogen or an aliphatic of the cycloaliphatic or aromatic hydrocarbon group; (ii) R 4 represents hydrogen or an aliphatic group, a cycloaliphatic group, an acyl group, or an unsubstituted carbamoyl group; (iii) n 3 represents zero or an integer; and (iv) R 5 and R 6 represent an aliphatic, cycloaliphatic; or aromatic hydrocarbon groups.
Claim 15
Dependent Claim
64 words
A process for the production of a polymer as claimed in claim 1 which comprises reacting a bispiperazide of the formula: ##STR33## with a reactive derivative of an acid, said derivative having the formula: R.sup.7 --Z--R.sup.8 wherein Z is ##STR34## R 5 and R 6 represent an aliphatic, cycloaliphatic, or aromatic hydrocarbon group; and R 7 and R 8 represent halogen, hydroxy, or alkoxy.
Claim 16
Dependent Claim
22 words
A process for the production of a polymer as claimed in claim 10 which comprises: reacting a bispiperazide of the formula: ##STR35##
Claim 17
Dependent Claim
22 words
A process for the production of a polymer as claimed in claim 10 which comprises reacting a bispiperazide of the formula: ##STR36##
References Cited (Backward Citations)
US4098768A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1982-10-29 | 1983-04-30 | 1983-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-10-29 | 1987-04-30 | 1987-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-10-29 | 1991-04-30 | 1991-10-30 | $7700.00 | Window Closed / Lapsed |