US4661594A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Certain [(2,2,6,6-tetramethyl-4-piperidyl)amino]-1,3,2-dioxaphosphorinanes useful as stabilizers for protecting resins
Assignee: BASF Corp
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Filing: 1985-02-19
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Granted: 1987-04-28
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Expires: 2005-02-19
Abstract
Abstract Compounds of the formula I or II, ##STR1## wherein m is 1 or 2, A is branched or unbranched 1,2- or 1,3-alkylene, or o-phenylene, E is a group III or IIIa, R is hydrogen or methyl, R 1 and R 3 are hydrogen, alkyl, alkenyl, aralkyl, alkanoyl, alkenoyl, benzoyl or cyanomethyl, R 2 is a radical of valency m and R 4 is a monovalent radical, are effective processing stabilizers for polymers, in particular for polyolefins, and additionally have a stabilizing action against damage by light.
Inventors
- 👤 Michael Rasberger
- 👤 Peter Hofmann
- 👤 Hans R. Meier
- 👤 Paul Dubs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:47
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/49; C08K5/5399; C07; C07F; C07F9/00; C07F9/02; C07F9/547; C07F9/6564; C07F9/6571; C07F9/657154
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
174 words
A compound of formula I ##STR13## wherein m is 1 or 2, A is branched or unbranched 1,2-alkylene or 1,3-alkylene having 2 to 9 carbon atoms, or A is o-phenylene, R is hydrogen or methyl, R 1 is hydrogen, C 1 -C 12 -alkyl, C 3 -C 5 -alkenyl, C 7 -C 9 -aralkyl, C 2 -C 12 -alkanoyl, C 3 -C 6 -alkenoyl, benzoyl or cyanomethyl, and when m is 1, R 2 is C 1 -C 20 -alkyl, C 3 -C 14 -alkoxyalkyl, C 4 -C 12 -dialkylaminoalkyl, C 5 -C 12 -cycloalkyl, C 7 -C 9 -aralkyl, C 6 -C 10 -aryl, C 7 -C 20 -alkaryl or a group of the formula IV ##STR14## or, when m is 2, R 2 is C 2 -C 20 -alkylene, C 4 -C 12 -alkylene interrupted by one or more --O--, --N(C 1 -C 4 -alkyl)-- or ##STR15## groups, or R 2 is cyclohexylene, xylylene, phenylene or a group phenylene-Z-phenylene or cyclohexylene-2-cyclohexylene where Z is --O--, --CH 2 -- or --SO 2 --.
Claim 2
Dependent Claim
174 words
A compound of formula I ##STR13## wherein m is 1 or 2, A is branched or unbranched 1,2-alkylene or 1,3-alkylene having 2 to 9 carbon atoms, or A is o-phenylene, R is hydrogen or methyl, R 1 is hydrogen, C 1 -C 12 -alkyl, C 3 -C 5 -alkenyl, C 7 -C 9 -aralkyl, C 2 -C 12 -alkanoyl, C 3 -C 6 -alkenoyl, benzoyl or cyanomethyl, and when m is 1, R 2 is C 1 -C 20 -alkyl, C 3 -C 14 -alkoxyalkyl, C 4 -C 12 -dialkylaminoalkyl, C 5 -C 12 -cycloalkyl, C 7 -C 9 -aralkyl, C 6 -C 10 -aryl, C 7 -C 20 -alkaryl or a group of the formula IV ##STR14## or, when m is 2, R 2 is C 2 -C 20 -alkylene, C 4 -C 12 -alkylene interrupted by one or more --O--, --N(C 1 -C 4 -alkyl)-- or ##STR15## groups, or R 2 is cyclohexylene, xylylene, phenylene or a group phenylene-Z-phenylene or cyclohexylene-2-cyclohexylene where Z is --O--, --CH 2 -- or --SO 2 --.
Claim 3
Dependent Claim
57 words
A compound according to claim 1 wherein A is branched 1,2-alkylene or 1,3-alkylene, R is hydrogen, R 1 is hydrogen, methyl, allyl, benzyl or acetyl, and when m is 1, R 2 is C 1 -C 18 -alkyl or a group of formula IV, or when m is 2, R 2 is C 2 -C 10 -alkylene.
Claim 4
Dependent Claim
52 words
A compound according to claim 1 wherein A is branched 1,3-propylene, R is hydrogen, R 1 is hydrogen or methyl, and when m is 1, R 2 is C 1 -C 12 -alkyl or a group of formula IV, or when m is 2, R 2 is C 2 -C 8 -alkylene.
Claim 5
Dependent Claim
31 words
A compound according to claim 3 wherein A is --CH(R 6 )--C(CH 3 ) 2 --CH 2 -- where R 6 is hydrogen or alkyl of 1 to 4 carbon atoms.
Claim 6
Dependent Claim
11 words
The compound as claimed in claim 9 of the formula ##STR16##
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
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| 3.5 Years (Year 4) | 1990-04-27 | 1990-10-27 | 1991-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-04-27 | 1994-10-27 | 1995-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-04-27 | 1998-10-27 | 1999-04-28 | $7700.00 | Window Closed / Lapsed |