US4847380A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High molecular weight polyalkoxyamide, urea or urethane-containing piperidine radical
Assignee: Huntsman Corp
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Filing: 1987-07-27
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Granted: 1989-07-11
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Expires: 2007-07-27
Abstract
Abstract Novel high molecular weight polyalkoxyamine derivatives are prepared which contain a polyalkoxyamide, urea or urethane backbone with a piperidine terminal radical. The structures can be represented by the following three classes of compounds: ##STR1## where R 1 is from dibasic acid, e.g. adipic or dimer acid; R 2 is from diisocyanate, e.g. IPDI or TMXDI.
Inventors
- 👤 George P. Speranza
- 👤 Jiang-Jen Lin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 23:36
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/16; C08K5/34; C08K5/3412; C08K5/3432; C08K5/3435; C07; C07D; C07D211/00; C07D211/04; C07D211/06; C07D211/36; C07D211/56; C07D211/58; C08G; C08G18/00; C08G18/06; C08G18/08; C08G18/10
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
56 words
A 2,2,6,6,-tetramethylpiperidine represented by the formula: ##STR22## wherein R 1 represents the reaction product residue of a dicarboxylic acid from the group consisting of oxalic, glutaric, sebacic, isophthalic, terephthalic, azaleic, adipic and dimer acid and wherein B represents 3 to 34 linkages of a polyoxyalkylene amine from the group consisting of polyoxproplenediamines, polyoxyethylenediamines and mixed poly(oxyethylene/oxypropylene)diamines.
Claim 2
Dependent Claim
56 words
A 2,2,6,6,-tetramethylpiperidine represented by the formula: ##STR22## wherein R 1 represents the reaction product residue of a dicarboxylic acid from the group consisting of oxalic, glutaric, sebacic, isophthalic, terephthalic, azaleic, adipic and dimer acid and wherein B represents 3 to 34 linkages of a polyoxyalkylene amine from the group consisting of polyoxproplenediamines, polyoxyethylenediamines and mixed poly(oxyethylene/oxypropylene)diamines.
Claim 3
Dependent Claim
45 words
A 2,2,6,6,-tetramethylpiperidine represented by the formula: ##STR23## wherein R 2 represents the reaction product residue of an aliphatic diisocyanate having 6 to 36 carbons and B represents 3 to 34 linkages of a polyoxyalkylene amine from the group consisting of polyoxpropylenediamines, polyoxethylenediamines and mixed poly(oxyethlene/oxpropylene)diamines.
Claim 4
Dependent Claim
45 words
A 2,2,6,6,-tetramethylpiperidine represented by the formula: ##STR23## wherein R 2 represents the reaction product residue of an aliphatic diisocyanate having 6 to 36 carbons and B represents 3 to 34 linkages of a polyoxyalkylene amine from the group consisting of polyoxpropylenediamines, polyoxethylenediamines and mixed poly(oxyethlene/oxpropylene)diamines.
Claim 5
Dependent Claim
51 words
A 2,2,6,6,-tetramethylpiperidine represented by the formula: ##STR24## wherein R 2 represents the reaction product residue of an aliphatic diisocyanate having 6 to 36 carbons and G represents a polyol from the group consisting of polyoxypropylene glycols, polyoxyethylene glycols or mixed poly(oxyethylene/oxypropylene) glycols of a molecular weight from about 200 to 2000.
Claim 6
Dependent Claim
51 words
A 2,2,6,6,-tetramethylpiperidine represented by the formula: ##STR24## wherein R 2 represents the reaction product residue of an aliphatic diisocyanate having 6 to 36 carbons and G represents a polyol from the group consisting of polyoxypropylene glycols, polyoxyethylene glycols or mixed poly(oxyethylene/oxypropylene) glycols of a molecular weight from about 200 to 2000.
Claim 7
Dependent Claim
19 words
A compound of the formula: ##STR25## where R=hydrogen or methyl and x=2 to 34, and R' is ##STR26## .
Claim 8
Dependent Claim
19 words
A compound of the formula: ##STR25## where R=hydrogen or methyl and x=2 to 34, and R' is ##STR26## .
References Cited (Backward Citations)
US4725634A
Cited
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| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
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| 3.5 Years (Year 4) | 1992-07-10 | 1993-01-09 | 1993-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-07-10 | 1997-01-09 | 1997-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-07-10 | 2001-01-09 | 2001-07-11 | $7700.00 | Window Closed / Lapsed |