Patent US4312804A successfully refreshed from Google Patents.
US4312804A
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2,2,6,6-Tetraalkyl-4-piperidyl alcohol esters of tetradecylene polycarboxylic acids as light stabilizers for synthetic polymers
Assignee: Adeka Corp
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Filing: 1980-07-23
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Granted: 1982-01-26
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Expires: 2000-07-23
Abstract
Abstract 2,2,6,6-Tetraalkyl-4-piperidyl alcohol esters of tetradecylene polycarboxylic acids are provided, useful as light stabilizers for organic polymeric materials, and having the general formula: <IMAGE> in which R is selected from the group consisting of <IMAGE> <IMAGE> +TR <IMAGE> wherein: R5 and R6 are each hydrogen or lower alkyl or hydroxyalkyl having from one to about six carbon atoms; R7 is lower alkyl having from one to about six carbon atoms; R1, R2, R3 and R4 are selected from the group consisting of hydrogen and methyl; X1 and X3 are selected from the group consisting of hydrogen and COOR; X2 and X4 are selected from the group consisting of COOR and <IMAGE> 30 wherein R8, R9 and R10 are selected from the group consisting of hydrogen, hydroxy, alkyl, and alkoxy having from one to about eighteen carbon atoms.
Inventors
- 👤 Motonobu Minagawa
- 👤 Naohiro Kubota
- 👤 Toshihiro Shibata
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:19
CPC Classifications
C; C07; C07D; C07D211/00; C07D211/04; C07D211/06; C07D211/36; C07D211/40; C07D211/44; C07D211/46; C08; C08K; C08K5/00; C08K5/16; C08K5/34; C08K5/3412; C08K5/3432; C08K5/3435
Claims Analysis
Total Claims: 29
Claim 1
Independent Claim
142 words
2,2,6,6-Tetraalkyl-4-piperidyl alcohol esters of tetradecylene polycarboxylic acids having the general formula: ##STR120## in which: R is selected from the group consisting of ##STR121## wherein: R 5 and R 6 are selected from the group consisting of hydrogen and lower alkyl and hydroxyalkyl having from one to about six carbon atoms; R 7 is lower alkyl having from one to about six carbon atoms; R 1 , R 2 , R 3 and R 4 are selected from the group consisting of hydrogen and methyl; X 1 and X 3 are selected from the group consisting of hydrogen and COOR; X 2 and X 4 are selected from the group consisting of COOR ##STR122## wherein: R 8 , R 9 and R 10 are selected from the group consisting of hydrogen, hydroxy, alkyl, and alkoxy having from one to about eighteen carbon atoms.
Claim 2
Dependent Claim
142 words
2,2,6,6-Tetraalkyl-4-piperidyl alcohol esters of tetradecylene polycarboxylic acids having the general formula: ##STR120## in which: R is selected from the group consisting of ##STR121## wherein: R 5 and R 6 are selected from the group consisting of hydrogen and lower alkyl and hydroxyalkyl having from one to about six carbon atoms; R 7 is lower alkyl having from one to about six carbon atoms; R 1 , R 2 , R 3 and R 4 are selected from the group consisting of hydrogen and methyl; X 1 and X 3 are selected from the group consisting of hydrogen and COOR; X 2 and X 4 are selected from the group consisting of COOR ##STR122## wherein: R 8 , R 9 and R 10 are selected from the group consisting of hydrogen, hydroxy, alkyl, and alkoxy having from one to about eighteen carbon atoms.
Claim 3
Dependent Claim
12 words
A compound according to claim 1 in which the R is ##STR123##
Claim 4
Dependent Claim
12 words
A compound according to claim 1 in which the R is ##STR124##
Claim 5
Dependent Claim
12 words
A compound according to claim 1 in which the R is ##STR125##
Claim 6
Dependent Claim
22 words
A compound according to claim 1 in which X 1 , X 2 , X 3 and X 4 are each COOR.
Claim 7
Dependent Claim
11 words
A compound according to claim 5 in which R is ##STR126##
Claim 8
Dependent Claim
11 words
A compound according to claim 5 in which R is ##STR127##
Claim 9
Dependent Claim
11 words
A compound according to claim 5 in which R is ##STR128##
Claim 10
Dependent Claim
25 words
A compound according to claim 1 in which X 1 and X 3 are each hydrogen and X 2 and X 4 are each phenyl.
Claim 11
Dependent Claim
25 words
A compound according to claim 1 in which X 1 and X 3 are each hydrogen and X 2 and X 4 are each ##STR129##
Claim 12
Dependent Claim
25 words
A compound according to claim 1 in which X 1 and X 3 are each hydrogen and X 2 and X 4 are each ##STR130##
Claim 13
Dependent Claim
25 words
A compound according to claim 1 in which X 1 and X 3 are each hydrogen and X 2 and X 4 are each ##STR131##
Claim 14
Dependent Claim
25 words
A compound according to claim 1 in which X 1 and X 3 are each hydrogen and X 2 and X 4 are each ##STR132##
Claim 15
Dependent Claim
10 words
A compound according to claim 1 having the formula: ##STR133##
Claim 16
Dependent Claim
10 words
A compound according to claim 1 having the formula: ##STR134##
Claim 17
Dependent Claim
10 words
A compound according to claim 1 having the formula: ##STR135##
Claim 18
Dependent Claim
10 words
A compound according to claim 1 having the formula: ##STR136##
Claim 19
Dependent Claim
10 words
A compound according to claim 1 having the formula: ##STR137##
Claim 20
Dependent Claim
10 words
A compound according to claim 1 having the formula: ##STR138##
Claim 21
Dependent Claim
54 words
A polyvinyl chloride resin composition having improved resistance to deterioration when heated at 350° F., comprising a polyvinyl chloride resin formed at least in part of the recurring group: ##STR139## and having a chlorine content in excess of 40%, where X is either hydrogen or chlorine; and a compound in accordance with claim 1.
Claim 22
Dependent Claim
20 words
A polyvinyl chloride resin composition in accordance with claim 20 in which the polyvinyl chloride resin is polyvinyl chloride homopolymer.
Claim 23
Dependent Claim
25 words
A polyvinyl chloride resin composition in accordance with claim 20 in which the polyvinyl chloride resin is a copolymer of vinyl chloride and vinyl acetate.
Claim 24
Dependent Claim
39 words
An olefin polymer composition having improved resistance to deterioration comprising an olefin polymer selected from the group consisting of polymers of alpha-olefins having from two to six carbon atoms and polystyrene, and a compound in accordance with claim 1.
Claim 25
Dependent Claim
14 words
An olefin polymer composition in accordance with claim 23 wherein the polyolefin is polypropylene.
Claim 26
Dependent Claim
14 words
An olefin polymer composition in accordance with claim 23, wherein the polyolefin is polyethylene.
Claim 27
Dependent Claim
24 words
An acrylonitrile-butadiene-styrene polymer having its resistance to deterioration when heated at 300° F. and above enhanced by a compound in accordance with claim 1.
Claim 28
Dependent Claim
21 words
A polyester resin composition having improved resistance to deterioration comprising a polyester resin and a compound in accordance with claim 1.
Claim 29
Dependent Claim
23 words
An ethylene-vinyl acetate copolymer composition having improved resistance to deterioration comprising an ethylene-vinyl acetate copolymer and a compound in accordance with claim 1.
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) | 1985-01-25 | 1985-07-27 | 1986-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-01-25 | 1989-07-27 | 1990-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-01-25 | 1993-07-27 | 1994-01-26 | $7700.00 | Window Closed / Lapsed |