Patent US4256851A successfully refreshed from Google Patents.
US4256851A
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US
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Degradable plastic composition containing unsaturated alcohol or ester thereof
Assignee: Graham Packaging Plastic Products Inc
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Filing: 1978-01-19
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Granted: 1981-03-17
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Expires: 1998-01-19
Abstract
Abstract There is disclosed an environmentally degradable plastic composition comprising an organic polymeric material having dispersed therein at least one ethylenically unsaturated alcohol or ethylenically unsaturated ester derived therefrom as a readily autoxidizable organic substance.
Inventors
- 👤 Lynn J. Taylor
- 👤 John W. Tobias
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 05:20
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/0008; C08K5/0033; Y; Y10; Y10S; Y10S260/00; Y10S260/43; Y10S521/00; Y10S521/916
Claims Analysis
Total Claims: 39
Claim 1
Independent Claim
62 words
As a composition of matter, an environmentally degradable plastic composition comprising an admixture of a polyolefin and at least one ethylenically unsaturated alcohol or ethylenically unsaturated ester thereof as a readily autoxidizable organic substance substantially uniformly dispersed throughout said polyolefin, said ethylenically unsaturated alcohol or ester being selected from the group consisting of aliphatic alcohols, cycloaliphatic alcohols, heterocyclic alcohols and esters thereof.
Claim 2
Dependent Claim
62 words
As a composition of matter, an environmentally degradable plastic composition comprising an admixture of a polyolefin and at least one ethylenically unsaturated alcohol or ethylenically unsaturated ester thereof as a readily autoxidizable organic substance substantially uniformly dispersed throughout said polyolefin, said ethylenically unsaturated alcohol or ester being selected from the group consisting of aliphatic alcohols, cycloaliphatic alcohols, heterocyclic alcohols and esters thereof.
Claim 3
Dependent Claim
35 words
The invention of claim 1 wherein the degradable plastic composition comprises 50 to 99.99% by weight of the polyolefin and 50 to 0.1% by weight of the autoxidizable ethylenically unsaturated alcohol or ethylenically unsaturated ester.
Claim 4
Dependent Claim
26 words
The invention of claim 1 wherein the degradable plastic composition comprises 99 to 95% by weight low-density polyethylene and 1 to 5% by weight geranyl formate.
Claim 5
Dependent Claim
24 words
The invention of claim 1 wherein the plastic composition also contains 0.001 to 0.05% by weight antioxidant based on the weight of the polyolefin.
Claim 6
Dependent Claim
24 words
The invention of claim 3 wherein the plastic composition also contains 0.001 to 0.05% by weight antioxidant based on the weight of the polyethylene.
Claim 7
Dependent Claim
10 words
The invention of claim 5 wherein the antioxidant is tetrakis[methylene(3,5-di-tert-butyl-4-hydroxyhydrocinnamate)]methane.
Claim 8
Dependent Claim
15 words
The invention of claim 1 wherein the degradable plastic composition also contains a blowing agent.
Claim 9
Dependent Claim
16 words
The invention of claim 1 wherein the polyolefin is selected from polyethylene, polypropylene, poly(4-methyl-1-pentene) and polystyrene.
Claim 10
Dependent Claim
20 words
As an article of manufacture, a plastic body of predetermined form and comprising the composition of matter of claim 1.
Claim 11
Dependent Claim
28 words
The invention of claim 9 wherein the plastic body comprises 50 to 99.9% by weight of the polyolefin and 50 to 0.1% by weight of the autoxidizable substance.
Claim 12
Dependent Claim
25 words
The invention of claim 9 wherein the plastic body comprises 99 to 95% by weight low-density polyethylene and 1 to 5% by weight geranyl formate.
Claim 13
Dependent Claim
17 words
The invention of claim 9 wherein the article is a plastic secondary wrap for a container package.
Claim 14
Dependent Claim
16 words
The invention of claim 9 wherein the article is of a foamed or cellular plastic body.
Claim 15
Dependent Claim
17 words
The invention of claim 9 wherein the hydrocarbon polymer is selected from polyethylene, polypropylene, poly(4-methyl-1-pentene), and polystyrene.
Claim 16
Dependent Claim
85 words
A process for preparing an environmentally degradable plastic composition which comprises preparing a composition comprising an admixture of a polyolefin and at least one ethylenically unsaturated alcohol or ester thereof as a readily autoxidizable organic substance substantially uniformly dispersed throughout said polyolefin, said ethylenically unsaturated alcohol or ester being selected from the group consisting of aliphatic alcohols, cycloaliphatic alcohols, heterocyclic alcohols and esters thereof, and subsequently subjecting the prepared composition in the form of an article to an oxidizing environment to partially oxidize said composition.
Claim 17
Dependent Claim
85 words
A process for preparing an environmentally degradable plastic composition which comprises preparing a composition comprising an admixture of a polyolefin and at least one ethylenically unsaturated alcohol or ester thereof as a readily autoxidizable organic substance substantially uniformly dispersed throughout said polyolefin, said ethylenically unsaturated alcohol or ester being selected from the group consisting of aliphatic alcohols, cycloaliphatic alcohols, heterocyclic alcohols and esters thereof, and subsequently subjecting the prepared composition in the form of an article to an oxidizing environment to partially oxidize said composition.
Claim 18
Dependent Claim
30 words
The invention of claim 15 wherein 50 to 99.9% by weight of said polyolefin has dispersed therein 50 to 0.01% by weight of said ethylenically unsaturated alcohol or ester thereof.
Claim 19
Dependent Claim
23 words
The invention of claim 15 wherein 99.95% by weight of low density polyethylene has uniformly dispersed therein 1 to 5% by weight geranylformate.
Claim 20
Dependent Claim
24 words
The invention of claim 15 wherein 0.001 to 0.05% by weight antioxidant based on the weight of said polyolefin is incorporated in said composition.
Claim 21
Independent Claim
165 words
A method for the production of non-crystalline hydrocarbon soluble ultra high molecular weight drag reducing polymers comprising (a) preparing under an inert atmosphere a catalyst comprising; (1) titanium trichloride of the general formula TiCl 3 .nAlCl 3 wherein n is from 0.00 to 1.0, (2) an organoaluminum compound of the general formula AlR n X 3-n wherein R is a hydrocarbon radical containing from 1 to 20 carbon atoms, X is a hydrogen atom or halogen atom, and n varies from 2 to 3, (3) a monoether compound of the formula R 1 OR 2 wherein R 1 and R 2 are independently aryl, alkyl, aralkyl, or alkaryl, each containing from 1 to 12 carbon carbon atoms and placing the catalyst in contact with (b) C 8 to C 30 alpha monoolefinic hydrocarbons at temperatures of from about -10° C. to about 40° C., then (c) ceasing polymerization at a polymer content level of 20% by weight or less based on the total reaction mixture.
Claim 22
Independent Claim
165 words
A method for the production of non-crystalline hydrocarbon soluble ultra high molecular weight drag reducing polymers comprising (a) preparing under an inert atmosphere a catalyst comprising; (1) titanium trichloride of the general formula TiCl 3 .nAlCl 3 wherein n is from 0.00 to 1.0, (2) an organoaluminum compound of the general formula AlR n X 3-n wherein R is a hydrocarbon radical containing from 1 to 20 carbon atoms, X is a hydrogen atom or halogen atom, and n varies from 2 to 3, (3) a monoether compound of the formula R 1 OR 2 wherein R 1 and R 2 are independently aryl, alkyl, aralkyl, or alkaryl, each containing from 1 to 12 carbon carbon atoms and placing the catalyst in contact with (b) C 8 to C 30 alpha monoolefinic hydrocarbons at temperatures of from about -10° C. to about 40° C., then (c) ceasing polymerization at a polymer content level of 20% by weight or less based on the total reaction mixture.
Claim 23
Dependent Claim
10 words
The invention of claim 19 wherein said antioxidant is tetrakis[methylene(3,5-di-tert-butyl-4-hydroxyhydrocinnamate)]methane.
Claim 24
Dependent Claim
14 words
The invention of claim 15 wherein a blowing agent is incorporated in said composition.
Claim 25
Dependent Claim
20 words
The invention of claim 15 wherein said polyolefin is selected from the group consisting of polyethylene, polypropylene, poly(4-methyl-1-pentene) and polystyrene.
Claim 26
Dependent Claim
82 words
A process for accelerating environmental degradation of an organic polymeric material comprising dispersing substantially uniformly throughout said polyolefin at least one ethylenically unsaturated alcohol or ester thereof as a readily autoxidizable organic substance to form an admixture comprising said polyolefin and ethylenically unsaturated alcohol or ester thereof to form a composition, said ethylenically unsaturated alcohol or ester being selected from the group consisting of aliphatic alcohols, cycloaliphatic alcohols, heterocyclic alcohols and esters thereof, and subsequently exposing said composition to the natural environment.
Claim 27
Dependent Claim
82 words
A process for accelerating environmental degradation of an organic polymeric material comprising dispersing substantially uniformly throughout said polyolefin at least one ethylenically unsaturated alcohol or ester thereof as a readily autoxidizable organic substance to form an admixture comprising said polyolefin and ethylenically unsaturated alcohol or ester thereof to form a composition, said ethylenically unsaturated alcohol or ester being selected from the group consisting of aliphatic alcohols, cycloaliphatic alcohols, heterocyclic alcohols and esters thereof, and subsequently exposing said composition to the natural environment.
Claim 28
Dependent Claim
40 words
The invention of claim 23 comprising the further steps of forming said composition into an article of predetermined form and partially oxidizing said composition of said article in an oxidizing environment prior to exposing said composition to the natural environment.
Claim 29
Dependent Claim
13 words
The invention of claim 24 wherein said organic polymeric material is a polyolefin.
Claim 30
Dependent Claim
30 words
The invention of claim 25 wherein 50 to 0.1% by weight of said ethylenically unsaturated alcohol or ester thereof is dispersed in 50 to 99.9% by weight of said polyolefin.
Claim 31
Dependent Claim
25 words
The invention of claim 25 wherein 1 to 5% by weight of geranylformate is dispersed in 99 to 95% by weight of low density polyethylene.
Claim 32
Dependent Claim
24 words
The invention of claim 25 wherein 0.001 to 0.05% by weight antioxidant based on the weight of said polyolefin is incorporated in said composition.
Claim 33
Dependent Claim
26 words
The invention of claim 27 wherein 0.001 to 0.05% by weight antioxidant based on the weight of said low density polyethylene is incorporated in said composition.
Claim 34
Dependent Claim
10 words
The invention of claim 29 wherein said antioxidant is tetrakis[methylene(3,5-di-tert-butyl-4-hydroxyhydrocinnamate)]methane.
Claim 35
Dependent Claim
20 words
The invention of claim 25 wherein said polyolefin is selected from the group consisting of polyethylene, polypropylene, poly(4-methyl-1-pentene) and polystyrene.
Claim 36
Dependent Claim
96 words
The invention of claim 1 wherein said ethylenically unsaturated alcohol or ethylenically unsaturated ester is selected from the group consisting of geraniol, esters derived from geraniol, linalool, esters derived linalool, citronellol, esters derived from citronellol, allyl alcohol, esters derived from allyl alcohol, crotyl alcohol, esters derived from crotyl alcohol, methallyl alcohol, esters derived methallyl alcohol, farnesol, esters derived from farnesol, furfuryl alcohol, esters derived from furfuryl alcohol, oleyl alcohol, esters derived from oleyl alcohol, ω-undecylenyl alcohol, esters derived from ω-undecylenyl alcohol, geranyl acetate, geranyl formate, geranyl propionate, linalyl acetate, linalyl formate, linalyl propionate, and furfuryl acetate.
Claim 37
Dependent Claim
96 words
The invention of claim 9 wherein said ethylenically unsaturated alcohol or ethylenically unsaturated ester is selected from the group consisting of geraniol, esters derived from geraniol, linalool, esters derived linalool, citronellol, esters derived from citronellol, allyl alcohol, esters derived from allyl alcohol, crotyl alcohol, esters derived from crotyl alcohol, methallyl alcohol, esters derived methallyl alcohol, farnesol, esters derived from farnesol, furfuryl alcohol, esters derived from furfuryl alcohol, oleyl alcohol, esters derived from oleyl alcohol, ω-undecylenyl alcohol, esters derived from ω-undecylenyl alcohol, geranyl acetate, geranyl formate, geranyl propionate, linalyl acetate, linalyl formate, linalyl propionate, and furfuryl acetate.
Claim 38
Dependent Claim
96 words
The invention of claim 15 wherein said ethylenically unsaturated alcohol or ethylenically unsaturated ester is selected from the group consisting of geraniol, esters derived from geraniol, linalool, esters derived linalool, citronellol, esters derived from citronellol, allyl alcohol, esters derived from allyl alcohol, crotyl alcohol, esters derived from crotyl alcohol, methallyl alcohol, esters derived methallyl alcohol, farnesol, esters derived from farnesol, furfuryl alcohol, esters derived from furfuryl alcohol, oleyl alcohol, esters derived from oleyl alcohol, ω-undecylenyl alcohol, esters derived from ω-undecylenyl alcohol, geranyl acetate, geranyl formate, geranyl propionate, linalyl acetate, linalyl formate, linalyl propionate, and furfuryl acetate.
Claim 39
Dependent Claim
96 words
The invention of claim 23 wherein said ethylenically unsaturated alcohol or ethylenically unsaturated ester is selected from the group consisting of geraniol, esters derived from geraniol, linalool, esters derived linalool, citronellol, esters derived from citronellol, allyl alcohol, esters derived from allyl alcohol, crotyl alcohol, esters derived from crotyl alcohol, methallyl alcohol, esters derived methallyl alcohol, farnesol, esters derived from farnesol, furfuryl alcohol, esters derived from furfuryl alcohol, oleyl alcohol, esters derived from oleyl alcohol, ω-undecylenyl alcohol, esters derived from ω-undecylenyl alcohol, geranyl acetate, geranyl formate, geranyl propionate, linalyl acetate, linalyl formate, linalyl propionate, and furfuryl acetate.
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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) | 1984-03-16 | 1984-09-15 | 1985-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-03-16 | 1988-09-15 | 1989-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-03-16 | 1992-09-15 | 1993-03-17 | $7700.00 | Window Closed / Lapsed |