Patent US4528374A successfully refreshed from Google Patents.
US4528374A
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Polyalkylpiperidines
Assignee: BASF Corp
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Filing: 1981-11-09
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Granted: 1985-07-09
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Expires: 2001-11-09
Abstract
Abstract Novel oligomer or polymer polyamine-1,3,5-triazines containing at least one polyalkylpiperidine radical, for example that of the formula <IMAGE> processes for their production, their use for stabilizing organic material, and the organic material protected therewith against oxidative and light-induced degradation.
Inventors
- 👤 Erwin Nikles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 07:08
CPC Classifications
C; C08; C08G; C08G73/00; C08G73/06; C08G73/0622; C08G73/0627; C07; C07D; C07D211/00; C07D211/04; C07D211/06; C07D211/36; C07D211/56; C07D211/58; C08G73/02; C08G73/024; C08G73/0246; C08G73/0253; C08G73/0273; C08G73/0638; C08G73/0644
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
138 words
A polyamine of the formula ##STR31## wherein X is C 2 -C 6 alkylene; A is --O--, --S-- or --NR--; each R independently is hydrogen, C 1 -C 23 alkyl, C 1 -C 23 alkyl having oxygen in the alkyl chain, C 3 -C 12 cycloalkyl, C 7 -C 18 aralkyl, C 6 -C 10 aryl or the radical of the formula II ##STR32## wherein R 3 is hydrogen, C 1 -C 18 alkyl, C 3 -C 12 alkenyl, C 3 -C 5 alkynyl, C 3 -C 18 alkoxyalkyl, C 2 -C 4 hydroxyalkyl, C 2 -C 4 hydroxyalkyl substituted by phenyl or phenoxy, or C 7 -C 18 aralkyl, and R 4 is hydrogen or methyl; c is an integer from 1 to 4; and wherein at least one R is a radical of the formula II.
Claim 2
Dependent Claim
138 words
A polyamine of the formula ##STR31## wherein X is C 2 -C 6 alkylene; A is --O--, --S-- or --NR--; each R independently is hydrogen, C 1 -C 23 alkyl, C 1 -C 23 alkyl having oxygen in the alkyl chain, C 3 -C 12 cycloalkyl, C 7 -C 18 aralkyl, C 6 -C 10 aryl or the radical of the formula II ##STR32## wherein R 3 is hydrogen, C 1 -C 18 alkyl, C 3 -C 12 alkenyl, C 3 -C 5 alkynyl, C 3 -C 18 alkoxyalkyl, C 2 -C 4 hydroxyalkyl, C 2 -C 4 hydroxyalkyl substituted by phenyl or phenoxy, or C 7 -C 18 aralkyl, and R 4 is hydrogen or methyl; c is an integer from 1 to 4; and wherein at least one R is a radical of the formula II.
Claim 3
Dependent Claim
11 words
The polyamine of claim 1, wherein c is 1 or 2.
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) | 1988-07-08 | 1989-01-07 | 1989-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-07-08 | 1993-01-07 | 1993-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-07-08 | 1997-01-07 | 1997-07-09 | $7700.00 | Window Closed / Lapsed |