Patent US4060513A successfully refreshed from Google Patents.
US4060513A
Expired / Lapsed
US
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Nickel organophosphate/benzophenone U.V. stabilizers
Assignee: Milacron Inc
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Filing: 1976-04-26
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Granted: 1977-11-29
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Expires: 1996-04-26
Abstract
Abstract U.V. stabilizer compositions comprising a nickel organophosphate and a benzophenone and polymer compositions of increased resistance to deterioration containing same are provided.
Inventors
- 👤 Kenneth Richard Molt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 08:07
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/13; C08K5/132; C08K5/49; C08K5/51; C08K5/52; C08K5/521
Claims Analysis
Total Claims: 30
Claim 1
Independent Claim
145 words
A polyolefin resin composition comprising 1) a polyolefin resin and 2) a stabilizingly effective amount of a stabilizer consisting essentially of in synergistic combination A) a nickel salt of an organic ester of phosphoric acid having the following general formulae ##STR4## and B) a benzophenone selected from the group consisting of unsubstituted and substituted 2-hydroxybenzophenone and mixtures thereof and having the general formula ##STR5## wherein R 1 , R 2 , R 3 and R 4 are the same or different and are alkyl, aryl, cycloalkyl, aralkyl or alkaryl radicals, X is hydroxyl or nothing and both or either R 5 and R 6 are nothing or the same or different straight or branched chain alkyl or alkoxy radical of 1 to 20 carbon atoms or either R 5 and R 6 but not both R 5 and R 6 are bromine, chlorine or fluorine.
Claim 2
Dependent Claim
145 words
A polyolefin resin composition comprising 1) a polyolefin resin and 2) a stabilizingly effective amount of a stabilizer consisting essentially of in synergistic combination A) a nickel salt of an organic ester of phosphoric acid having the following general formulae ##STR4## and B) a benzophenone selected from the group consisting of unsubstituted and substituted 2-hydroxybenzophenone and mixtures thereof and having the general formula ##STR5## wherein R 1 , R 2 , R 3 and R 4 are the same or different and are alkyl, aryl, cycloalkyl, aralkyl or alkaryl radicals, X is hydroxyl or nothing and both or either R 5 and R 6 are nothing or the same or different straight or branched chain alkyl or alkoxy radical of 1 to 20 carbon atoms or either R 5 and R 6 but not both R 5 and R 6 are bromine, chlorine or fluorine.
Claim 3
Dependent Claim
31 words
A polyolefin resin composition according to claim 1, wherein the weight ratio of the nickel salt of an organic ester of phosphoric acid to said benzophenone is from 90:10 to 10:90.
Claim 4
Dependent Claim
17 words
A polyolefin resin composition according to claim 2, wherein the weight ratio is from 75:25 to 25:75.
Claim 5
Dependent Claim
29 words
A polyolefin composition according to claim 2 wherein the amount of the stabilizer is from 0.05 to 3.0 parts by weight per 100 parts by weight of polyolefin resin.
Claim 6
Dependent Claim
24 words
A polyolefin resin composition according to claim 1 wherein the nickel salt of an organic ester of phosphoric acid is represented by formula I(a).
Claim 7
Dependent Claim
24 words
A polyolefin resin composition according to claim 1, wherein the nickel salt of an organic ester of phosphoric acid is represented by formula I(b).
Claim 8
Dependent Claim
29 words
A polyolefin resin composition according to claim 5, wherein R 1 , R 2 , R 3 and R 4 are alkyl radicals of 1 to 18 carbon atoms.
Claim 9
Dependent Claim
21 words
A polyolefin resin composition according to claim 6, wherein R 1 is an alkyl radical of 1 to 18 carbon atoms.
Claim 10
Dependent Claim
23 words
A polyolefin resin composition according to claim 1, wherein R 1 , R 2 , R 3 and R 4 are aryl radicals.
Claim 11
Dependent Claim
13 words
A polyolefin resin composition according to claim 1, wherein the benzophenone is 2-hydroxybenzophenone.
Claim 12
Dependent Claim
15 words
A polyolefin resin composition according to claim 1, wherein the benzophenone is a substituted 2-hydroxybenzophenone.
Claim 13
Dependent Claim
31 words
A polyolefin resin composition according to claim 11, wherein there is employed as the substituted 2-hydroxybenzophenone an alkoxy substituted 2-hydroxybenzophenone in which the alkoxy group contains 1 to 20 carbon atoms.
Claim 14
Dependent Claim
15 words
A polyolefin resin composition according to claim 12, wherein the alkoxy substituted 2-hydroxybenzophenone is 2-hydroxy-4-octoxybenzophenone.
Claim 15
Dependent Claim
37 words
A polyolefin resin composition according to claim 1, wherein the polyolefin resin is member of the group consisting of homopolymers, copolymers, mixtures of homopolymers, mixtures of copolymers and mixtures of homopolymers and copolymers of monoolefinic polymerizable monomers.
Claim 16
Dependent Claim
14 words
A polyolefin resin composition according to claim 14, wherein the polyolefin resin is polyethylene.
Claim 17
Dependent Claim
14 words
A polyolefin resin composition according to claim 14, wherein the polyolefin resin is polypropylene.
Claim 18
Dependent Claim
136 words
A stabilizer composition for stabilizing polyolefin resins consisting essentially of in synergistic combination 1) a nickel salt of an organic ester of phosphoric acid having the following general formulae ##STR6## and 2) a benzophenone selected from the group consisting of unsubstituted and substituted 2-hydroxybenzophenone and mixtures thereof and having the general formula ##STR7## wherein R 1 , R 2 , R 3 and R 4 are the same or different and are alkyl, aryl, cycloalkyl, aralkyl or alkaryl radicals, X is hydroxyl or nothing and both or either R 5 and R 6 are nothing or the same or different straight or branched chain alkyl or alkoxy radical of 1 to 20 carbon atoms or either of R 5 and R 6 but not both of R 5 and R 6 are bromine, chlorine or fluorine.
Claim 19
Dependent Claim
136 words
A stabilizer composition for stabilizing polyolefin resins consisting essentially of in synergistic combination 1) a nickel salt of an organic ester of phosphoric acid having the following general formulae ##STR6## and 2) a benzophenone selected from the group consisting of unsubstituted and substituted 2-hydroxybenzophenone and mixtures thereof and having the general formula ##STR7## wherein R 1 , R 2 , R 3 and R 4 are the same or different and are alkyl, aryl, cycloalkyl, aralkyl or alkaryl radicals, X is hydroxyl or nothing and both or either R 5 and R 6 are nothing or the same or different straight or branched chain alkyl or alkoxy radical of 1 to 20 carbon atoms or either of R 5 and R 6 but not both of R 5 and R 6 are bromine, chlorine or fluorine.
Claim 20
Dependent Claim
34 words
A stabilizer composition according to claim 17, wherein the weight ratio of the nickel salt of an organic ester of phosphoric acid to said benzophenone is in the range of from 90:10 to 10:90.
Claim 21
Dependent Claim
16 words
A stabilizer composition according to claim 18, wherein the weight ratio is from 75:25 to 25:75.
Claim 22
Dependent Claim
22 words
A stabilizer composition according to claim 17, wherein the nickel salt of an organic ester of phosphoric acid has the formula I(a).
Claim 23
Dependent Claim
22 words
A stabilizer composition according to claim 17, wherein the nickel salt of an organic ester of phosphoric acid has the formula I(b).
Claim 24
Dependent Claim
28 words
A stabilizer composition according to claim 20, wherein R 1 , R 2 , R 3 and R 4 are alkyl radicals of 1 to 18 carbon atoms.
Claim 25
Dependent Claim
20 words
A stabilizer composition according to claim 21, wherein R 1 is an alkyl radical of 1 to 18 carbon atoms.
Claim 26
Dependent Claim
22 words
A stabilizer composition according to claim 17, wherein R 1 , R 2 , R 3 and R 4 are aryl radicals.
Claim 27
Dependent Claim
14 words
A stabilizer composition according to claim 17, wherein there is employed an unsubstituted 2-hydroxybenzophenone.
Claim 28
Dependent Claim
14 words
A stabilizer composition according to claim 17, wherein there is employed a substituted 2-hydroxybenzophenone.
Claim 29
Dependent Claim
27 words
A stabilizer composition according to claim 26, wherein there is employed an alkoxy substituted 2-hydroxybenzophenone in which the alkoxy group contains from 1 to 20 carbon atoms.
Claim 30
Dependent Claim
14 words
A stabilizer composition according to claim 27, wherein the alkoxy substituted 2-hydroxybenzophenone is 2-hydroxy-4-octoxybenzophenone.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-11-28 | 1981-05-30 | 1981-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-11-28 | 1985-05-30 | 1985-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-11-28 | 1989-05-30 | 1989-11-29 | $7700.00 | Window Closed / Lapsed |