Patent US4032510A successfully refreshed from Google Patents.
US4032510A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Novel polycarbon stabilizers
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1976-08-05
•
Granted: 1977-06-28
•
Expires: 1996-08-05
Abstract
Abstract Novel bisphenol condensation derivatives including polyphosphorous, polyborate, polycarbonate and polysilicate products which are capped with various capping agents such as phenoxy or alkoxy compounds are effective stabilizers for a wide spectrum of hydrocarbon polymeric materials against their thermal oxidative and photochemical degradations.
Inventors
- 👤 Joseph C. Floyd
- 👤 Don A. Plank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:06
CPC Classifications
C; C09; C09K; C09K15/00; C09K15/04; C09K15/32; C09K15/322; C08; C08K; C08K5/00; C08K5/0008; C08K5/005; C09K15/06; C09K15/12; C09K15/20; C09K15/28; C09K15/324; C09K15/328
Claims Analysis
Total Claims: 32
Claim 1
Independent Claim
107 words
A composition of matter having the following structural formula: ##STR36## wherein: (1) R is selected from the group consisting of --H, C 1 -C 18 alkyl groups, and an aryl group; (2) X is selected from the group consisting of ##STR37## wherein A is a C 1 -C 16 alkylene or an arylene group; (3) Y is --C--; (4) z is selected from the group consisting of ##STR38## wherein R 2 is --H or a C 1 -C 18 alkyl group, and O--R 3 wherein R 3 is a C 1 -C 18 alkyl group; and (5) n is a value ranging from 1 to about 15.
Claim 2
Dependent Claim
107 words
A composition of matter having the following structural formula: ##STR36## wherein: (1) R is selected from the group consisting of --H, C 1 -C 18 alkyl groups, and an aryl group; (2) X is selected from the group consisting of ##STR37## wherein A is a C 1 -C 16 alkylene or an arylene group; (3) Y is --C--; (4) z is selected from the group consisting of ##STR38## wherein R 2 is --H or a C 1 -C 18 alkyl group, and O--R 3 wherein R 3 is a C 1 -C 18 alkyl group; and (5) n is a value ranging from 1 to about 15.
Claim 3
Dependent Claim
23 words
The composition according to claim 1 wherein R is selected from the group consisting of --H and C 1 -C 18 alkyl groups.
Claim 4
Dependent Claim
10 words
The composition according to claim 1 wherein X is ##STR39##
Claim 5
Dependent Claim
28 words
The composition according to claim 1 wherein Z is ##STR40## wherein R 2 is selected from the group consisting of --H and C 1 -C 18 alkyl groups.
Claim 6
Dependent Claim
63 words
A composition of matter having the following structural formula: ##STR41## wherein: (1) R is selected from the group consisting of --H and C 1 -C 18 alkyl groups; (2) R 2 is selected from the group consisting of --H and C 1 -c 18 alkyl groups; ##STR42## (4) Y is --C-- and (5) n is a value ranging from 1 to about 15.
Claim 7
Dependent Claim
63 words
A composition of matter having the following structural formula: ##STR41## wherein: (1) R is selected from the group consisting of --H and C 1 -C 18 alkyl groups; (2) R 2 is selected from the group consisting of --H and C 1 -c 18 alkyl groups; ##STR42## (4) Y is --C-- and (5) n is a value ranging from 1 to about 15.
Claim 8
Dependent Claim
17 words
The composition according to claim 5 wherein R 2 is a C 1 -C 8 alkyl group.
Claim 9
Dependent Claim
11 words
The composition according to claim 5 wherein R 2 is --H.
Claim 10
Dependent Claim
11 words
The composition according to claim 5 wherein X is butylidene group.
Claim 11
Dependent Claim
12 words
The composition according to claim 5 wherein X is a propylene group.
Claim 12
Dependent Claim
16 words
The composition according to claim 5 wherein n is a value ranging from 3 to 8.
Claim 13
Dependent Claim
16 words
The composition according to claim 10 wherein n is a value ranging from 4 to 6.
Claim 14
Dependent Claim
20 words
A composition of matter having the following structural formula: ##STR43## wherein n is a value ranging from 3 to 8.
Claim 15
Dependent Claim
20 words
A composition of matter having the following structural formula: ##STR43## wherein n is a value ranging from 3 to 8.
Claim 16
Dependent Claim
16 words
The composition according to claim 12 wherein n is a value ranging from 4 to 6.
Claim 17
Dependent Claim
119 words
A composition of matter comprising an oxidatively degradable hydrocarbon and an effective amount of a stabilizer having the following structural formula: ##STR44## wherein: (1) R is selected from the group consisting of --H, C 1 -C 18 alkyl groups, and an aryl group; (2) X is selected from the group consisting of ##STR45## wherein A is a C 1 -C 16 alkylene or an arylene group; (3) Y is --C--; (4) z is selected from the group consisting of ##STR46## wherein R 2 is --H or a C 1 -C 18 alkyl group, and --O--R 3 wherein R 3 is a C 1 -C 18 alkyl group; and (5) n is a value ranging from 1 to about 15.
Claim 18
Dependent Claim
119 words
A composition of matter comprising an oxidatively degradable hydrocarbon and an effective amount of a stabilizer having the following structural formula: ##STR44## wherein: (1) R is selected from the group consisting of --H, C 1 -C 18 alkyl groups, and an aryl group; (2) X is selected from the group consisting of ##STR45## wherein A is a C 1 -C 16 alkylene or an arylene group; (3) Y is --C--; (4) z is selected from the group consisting of ##STR46## wherein R 2 is --H or a C 1 -C 18 alkyl group, and --O--R 3 wherein R 3 is a C 1 -C 18 alkyl group; and (5) n is a value ranging from 1 to about 15.
Claim 19
Dependent Claim
30 words
The composition according to claim 14 wherein said hydrocarbon is selected from the group consisting of polyolefins, polyvinyl chloride, elastomers, polycarbonate plastics, lubricants, fuels, naphtha, greases, waxes and petroleum resins.
Claim 20
Dependent Claim
39 words
The composition according to claim 14 which comprises an effective amount of a co-stabilizer selected from the group consisting of dialkyl sulfides having the structural formulas of ##STR47## wherein R 3 is a C 1 -C 30 alkyl group.
Claim 21
Dependent Claim
129 words
A composition of matter which comprises: (a) an oxidatively degradable hydrocarbon selected from the group consisting of polyolefins, polyvinyl chloride, elastomers, polycarbonate plastics, lubricants, fuels, naphtha, greases, waxes and petroleum resins; (b) an effective amount of a co-stabilizer selected from the group consisting of dialkyl sulfides having the structural formulas of ##STR48## wherein R 3 is a C 1 -C 30 alkyl group; and (c) an effective amount of stabilizer having the following structural formula: ##STR49## wherein: (1) R is selected from the group consisting of --H and C 1 -C 18 alkyl groups; (2) R 2 is selected from the group consisting of --H and C 1 -C 18 alkyl groups; ##STR50## (4) Y is --C-- and (5) n is a value ranging from 1 to about 15.
Claim 22
Dependent Claim
129 words
A composition of matter which comprises: (a) an oxidatively degradable hydrocarbon selected from the group consisting of polyolefins, polyvinyl chloride, elastomers, polycarbonate plastics, lubricants, fuels, naphtha, greases, waxes and petroleum resins; (b) an effective amount of a co-stabilizer selected from the group consisting of dialkyl sulfides having the structural formulas of ##STR48## wherein R 3 is a C 1 -C 30 alkyl group; and (c) an effective amount of stabilizer having the following structural formula: ##STR49## wherein: (1) R is selected from the group consisting of --H and C 1 -C 18 alkyl groups; (2) R 2 is selected from the group consisting of --H and C 1 -C 18 alkyl groups; ##STR50## (4) Y is --C-- and (5) n is a value ranging from 1 to about 15.
Claim 23
Dependent Claim
25 words
The composition according to claim 17 which comprises an effective amount of a photochemical costabilizer selected from the group consisting of aliphatic and aromatic phosphites.
Claim 24
Dependent Claim
12 words
The composition according to claim 17 wherein said hydrocarbon is a polyolefin.
Claim 25
Dependent Claim
19 words
The composition according to claim 17 wherein said co-stabilizer is a dialkyl sulfide having the structural formula of ##STR51##
Claim 26
Dependent Claim
72 words
A composition of matter which comprises: (a) a polyolefin; (b) from about 0.05 to about 1.0 weight percent of a dialkyl sulfide having the structural formula of ##STR52## wherein R 3 is a C 1 -C 30 alkyl group; and (c) from about 0.01 to about 1.0 weight percent, based on said polyolefin, of a stabilizer having the structural formula of ##STR53## wherein n is a value ranging from 3 to 8.
Claim 27
Dependent Claim
72 words
A composition of matter which comprises: (a) a polyolefin; (b) from about 0.05 to about 1.0 weight percent of a dialkyl sulfide having the structural formula of ##STR52## wherein R 3 is a C 1 -C 30 alkyl group; and (c) from about 0.01 to about 1.0 weight percent, based on said polyolefin, of a stabilizer having the structural formula of ##STR53## wherein n is a value ranging from 3 to 8.
Claim 28
Dependent Claim
11 words
The composition according to claim 21 wherein said polyolefin is polypropylene.
Claim 29
Dependent Claim
11 words
The composition according to claim 21 wherein said polyolefin is polyethylene.
Claim 30
Dependent Claim
13 words
The composition according to claim 21 wherein said dialkyl sulfide is distearyl thiodipropionate.
Claim 31
Dependent Claim
16 words
The composition according to claim 21 wherein n is a value ranging from 4 to 6.
Claim 32
Dependent Claim
18 words
The composition according to claim 24 which comprises from about 0.01 to about 1.0 weight percent of tris-(nonylphenyl)-phosphite.
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) | 1980-06-27 | 1980-12-27 | 1981-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-06-27 | 1984-12-27 | 1985-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-06-27 | 1988-12-27 | 1989-06-28 | $7700.00 | Window Closed / Lapsed |