US3694543A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Repellent composition
Assignee: Phillips Petroleum Co
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Filing: 1971-01-04
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Granted: 1972-09-26
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Expires: 1991-01-04
Abstract
Abstract Repellent compositions comprising blends of a repellent in copolymers of ethylene and a 1-olefin containing four to six carbon atoms per molecule. Stable repellent concentrate compositions containing up to 20 weight per cent repellent can be prepared.
Inventors
- 👤 Donald G Needham
- 👤 Howard B Walker
- 👤 Luther O Myers Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:57
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/36; C08K5/39
Claims Analysis
Total Claims: 17
Claim 1
Independent Claim
53 words
A composition according to claim 1 wherein said copolymer is further characterized by having from 14 to 21 ethyl branches per 1,000 carbon atoms, a ratio of weight average to number average molecular weight within the range of from 6 to 20, and an environmental stress cracking resistance (F50) of greater than 100.
Claim 2
Dependent Claim
30 words
A composition according to claim 2 wherein said copolymer is further characterized by having a melt index below 0.5, and from 0.5 to 0.7 vinyl groups per 1,000 carbon atoms.
Claim 3
Dependent Claim
27 words
A composition according to claim 1 wherein said repellent is present in said composition in an amount of up to at least about 20 weight per cent.
Claim 4
Dependent Claim
25 words
A composition according to claim 4 wherein said repellent is present in said composition in an amount of at least about 10 weight per cent.
Claim 5
Dependent Claim
25 words
A composition according to claim 4 wherein said repellent is present in said composition in an amount of at least about 5 weight per cent.
Claim 6
Dependent Claim
12 words
A composition according to claim 4 wherein said repellent is an N,N-dimethylsulfenyldithiocarbamate.
Claim 7
Dependent Claim
11 words
A composition according to claim 7 wherein said dithiocarbamate is N,N-dimethyl-S-methylsulfenyldithiocarbamate.
Claim 8
Dependent Claim
11 words
A composition according to claim 7 wherein said dithiocarbamate is N,N-dimethyl-S-tert-butylsulfenyldithiocarbamate.
Claim 9
Independent Claim
30 words
A method for repelling rodents, insects, or other pests, which method comprises applying to the place or material to be protected a repelling amount of a composition according to claim
Claim 10
Dependent Claim
67 words
A process for preparing a repellent composition, which process comprises: blending a minor proportion of a repellent into a major proportion of a porous granular copolymer of ethylene and a 1-olefin having from four to six carbon atoms per molecule, said copolymer having from 4 to 10 weight per cent of said olefin incorporated therein and having a density within the range of from 0.910 to 0.930.
Claim 11
Dependent Claim
38 words
A process according to claim 11 wherein said copolymer has a bulk density within the range of from 18 to 24 pounds per cubic foot, and a particle size within the range of from 10 to 60 mesh.
Claim 12
Dependent Claim
13 words
A process according to claim 11 wherein the resulting blend is subsequently pelletized.
Claim 13
Dependent Claim
27 words
A process according to claim 11 wherein said repellent is present in said composition in an amount of up to at least about 20 weight per cent.
Claim 14
Dependent Claim
40 words
A composition according to claim 1 wherein: said 1-olefin is butene-1; said repellent is N,N-dimethyl-S-methylsulfenyldithiocarbamate; and said repellent is present in said composition in an amount within the range of from 0.05 to at least about 20 weight per cent.
Claim 15
Dependent Claim
40 words
A composition according to claim 1 wherein: said 1-olefin is butene-1; said repellent is N,N-dimethyl-S-tert-butylsulfenyldithiocarbamate; and said repellent is present in said composition in an amount within the range of from 0.05 to at least about 20 weight per cent.
Claim 16
Dependent Claim
40 words
A process according to claim 11 wherein: said 1-olefin is butene-1; said repellent is N,N-dimethyl-s-methylsulfenyldithiocarbamite; and said repellent is present in said composition in an amount within the range of from 0.05 to at least about 20 weight per cent.
Claim 17
Dependent Claim
40 words
A process according to claim 11 wherein: said 1-olefin is butene-1; said repellent is N,N-dimethyl-S-tert-butylsulfenyldithiocarbamate; and said repellent is present in said composition in an amount within the range of from 0.05 to at least about 20 weight per cent.
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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) | 1975-09-26 | 1976-03-27 | 1976-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-09-26 | 1980-03-27 | 1980-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-09-26 | 1984-03-27 | 1984-09-26 | $7700.00 | Window Closed / Lapsed |