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US3852227A Expired / Lapsed US ⏱️ 0.0 years remaining

Photo-degradable polyolefin resin composition

Assignee: Sekisui Chemical Co Ltd
•
Filing: 1972-12-27
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Granted: 1974-12-03
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Expires: 1992-12-27
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Abstract

Abstract 1. A PHOTO-DEGRADABLE POLYOLEFIN COMPRUSING (A) A POLYOLEFIN AND (B) 0.2 TO 10 PARTS BY WEIGHT PER 100 PARTS BY WEIGHT OF SAID POLYOLEFIN OF A PHOTO-DEGRADING AGENT CONSISTING OF (A) 5 TO 70% BY WEIGHT, BASE ON THE THE PHOTO-DEGRADING AGENT OF, AT LEAST ONE CARBONYL COMPOUND EXPRESSED BY THE FOLLOWING FORMULA R1,R2,R3-PHENYL-CO-R WHEREIN R IS A MEMBER SELECTED FROM THE GROUP CONSISTING OF LOWER ALKYL GROUPS WHICH MAY BE SUBSTITUTED BY HALOGEN, LOWER ALKOXY OR NITRO AND WHICH MAY BE BONDED TO THE CARBON ATOM AT THE ORTHO-POSITION OF THE BENZENE NUCLEUS OF FORMULA (I) DIRECTLY OR VIA-CO- TO FORM A FUSED RING, AND GROUPS EXPRESSED BY THE FOLLOWING FORMULA R4,R5,R6-PHENYL- WITH THE PROVISO THAT THE CARBON ATOMS ADJACENT TO THE CARBON ATOM BONDED TO -CO- IN FORMU (I) MAY BE BONDED TO THE CARBON ATOM AT THE ORTHO-POSITION OF THE BENZENE NUCELUS OF FORMULA (I) DIRECTLY OR VIA -CO-, AND R1, R2, R3, R4, R5 AND R6, WHICH MAY BE THE SAME OR DIFFERENT, REPRESENT A MEMBER SELECTED FROM THE GROUP CONSISTING OF HYDROGEN, HALOGEN HYDROXYL, LOWER ALKYL, LOWER ALKOXY AND NITRO, WITH THE PROVISO THAT WHEN AT LEAST ONE OF R1, R2, R3, R4, R5 AND R6 IS A HYDROXYL GROUP, SAID HYDROXYL GROUP IS NOT BONDED TO THE CARBON ATOM OF THE BENZENE NUCLEUS ADJACENT TO THE CARBON ATOMS OF THE BENZENE NUCLEUS BONDED TO THE -CO- GROUP IN FORMULA (I); AND (B) 30 TO 95 PERCENT BY WEIGHT, BASED ON THE PHOTODEGRADING AGENT, OF AT LEAST ONE COMPOUND SELECTED FROM THE GROUP CONSISTING OF ALIPHATIC CARBOXYLIC ACIDS HAVING 6 TO 20 CARBON ATOMS, AND ZINC, MAGNESIUM ALUMINUM, CALCIUM AND BARIUM SALTS OF SAID ALIPHATIC CARBOXYLIC ACIDS.

Inventors

  • 👤 H Matsuda
  • 👤 H Mori
  • 👤 H Matoba

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 16:22
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/07; C08K5/09; Y; Y10; Y10S; Y10S220/00; Y10S220/30; Y10S260/00; Y10S260/43

Claims Analysis

Total Claims: 16
Claim 1
Independent Claim 52 words
A PHOTO-DEGRADABLE POLYOLEFIN COMPRUSING (A) A POLYOLEFIN AND (B) 0.2 TO 10 PARTS BY WEIGHT PER 100 PARTS BY WEIGHT OF SAID POLYOLEFIN OF A PHOTO-DEGRADING AGENT CONSISTING OF (A) 5 TO 70% BY WEIGHT, BASE ON THE THE PHOTO-DEGRADING AGENT OF, AT LEAST ONE CARBONYL COMPOUND EXPRESSED BY THE FOLLOWING FORMULA
Claim 2
Dependent Claim 52 words
A PHOTO-DEGRADABLE POLYOLEFIN COMPRUSING (A) A POLYOLEFIN AND (B) 0.2 TO 10 PARTS BY WEIGHT PER 100 PARTS BY WEIGHT OF SAID POLYOLEFIN OF A PHOTO-DEGRADING AGENT CONSISTING OF (A) 5 TO 70% BY WEIGHT, BASE ON THE THE PHOTO-DEGRADING AGENT OF, AT LEAST ONE CARBONYL COMPOUND EXPRESSED BY THE FOLLOWING FORMULA
Claim 3
Dependent Claim 18 words
A photo-degradable polyolefin resin composition as set forth in claim 1 wherein the polyolefin is polyethylene or polypropylene.
Claim 4
Dependent Claim 35 words
A photo-degradable polyolefin resin composition as set forth in claim 1 wherein the photo-degrading agent is present in an amount of 0.5 to 3 parts by weight per 100 parts by weight of the polyolefin.
Claim 5
Dependent Claim 24 words
A photo-degradable polyolefin resin composition as set forth in claim 1 wherein the carbonyl compound is a benzophenone compound expressed by the following formula
Claim 6
Dependent Claim 30 words
A photo-degradable polyolefin resin composition as set forth in claim 4 wherein the benzophenone compound is benzophenone, 4-chlorobenzophenone, 4-methylbenzophenone, 2-chlorobenzophenone, 4-bromobenzophenone, 3-hydroxybenzophenone, 4-hydroxybenzophenone, 2-methyl-4''-hydroxybenzophenone, 4-methyl-4''-hydroxybenzophenone, 3,5-dimetHyl-4''-hydroxybenzophenone, 4, 4''-dimethoxybenzophenone or 4-nitrobenzophenone.
Claim 7
Dependent Claim 24 words
A photo-degradable polyolefin resin composition as set forth in claim 1 wherein the carbonyl compound is an anthraquinone compound expressed by the following formula
Claim 8
Dependent Claim 24 words
A photo-degradable polyolefin resin composition as set forth in claim 6 wherein the anthraquinone compound is anthraquinone, 2-methylanthraquinone, 2-ethylantraquinone, 1-chloroanthraquinone, 2-chloroanthraquinone, 1-bromoanthraquinone or 2-bromoanthraquinone.
Claim 9
Dependent Claim 23 words
A photo-degradable polyolefin resin composition as set forth in claim 1 wherein the carbonyl compound is a phenylalkylketone expressed by the following formula
Claim 10
Dependent Claim 53 words
A photo-degradable polyolefin resin composition as set forth in claim 8 wherein the phenylalkylketone is acetophenone, 3-bromoacetophenone, 4-bromoacetophenone, 2-methyl-4-chloroacetophenone, 3-methyl-4-chloroacetophenone, 3-methyl-4-bromoacetophenone, 2,4-dichloroacetophenone, 4-hydroxyacetophenone, 3-methyl-4-hydroxyacetophenone, 2,5-dimethyl-4-hydroxyacetophenone, 2-nitroacetophenone, 3-nitro-4-methylacetophenone, 3,5-dinitroacetophenone, propiophenone, 4-methylpropiophenone, 2,4-dichloropropiophenone, 4-bromopropiophenone, 3-methyl-4-chloropropiophenone, butyrophenone, 2,4-dichlorobutyrophenone, 2,4-dichlorobutyrophenone, 4-hydroxybutyrophenone, 3-nitro-4-methylbutyrophenone, 2-nitroisobutyrophenone, 3-bromoisobutyrophenone, phenacyl bromide, phenacyl chloride, 4-bromophenacyl bromide, 4-chlorophenacyl bromide, 2,5-dibromophenacyl bromide or 2,4,6-trichlorophenacyl bromide.
Claim 11
Dependent Claim 24 words
A photo-degradable polyolefin resin composition as set forth in claim 1 wherein the carbonyl compound is an indanone compound expressed by the following formula
Claim 12
Dependent Claim 33 words
A photo-degradable polyolefin resin composition as set forth in claim 10 wherein the indanone compound is indanone, 6-chloroindanone, 2,2-dichloroindanone, 2,3-dichloroindanone, 3,3-dichloroindanone, 2-bromoindanone, 4-bromoindanone, 6-bromoindanone, 2,2-dibromoindanone, 2-methylindanone, 4-chloro-2-methylindanone, 6-chloro-2-methylindanone, 2-bromo-2-methylindanone, 4-methylindanone, 6-methylindanone or 4,7-dimethylindanone.
Claim 13
Dependent Claim 24 words
A photo-degradable polyolefin resin composition as set forth in claim 1 wherein the carbonyl compound is an indanedione compound expressed by the following formula
Claim 14
Dependent Claim 27 words
A photo-degradable polyolefin resin composition as set forth in claim 12 wherein the indanedione compound is indanedione, 2-chloroindanedione, 2,2-dichloroindanedione, 2,4,5,6,7-pentachloroindanedione, 2-bromoindanedione, 2-chloro-2-bromoindanedione, 2,2-dibromoindanedione, 2-methylindanedione, 2-bromo-2-methylindanedione or 2,2-dimethylindanedione.
Claim 15
Dependent Claim 28 words
A photo-degradable polyolefin resin composition as set forth in claim 1 wherein the aliphatic carboxylic aciD is stearic acid, palmitic acid, oleic acid, lauric acid or adipic acid.
Claim 16
Dependent Claim 20 words
A photo-degradable polyolefin resin composition as set forth in claim 1 wherein the aliphatic carboxylic acid salt is zinc stearate.

References Cited (Backward Citations)

US3454510A Cited
US3679777A Cited
US3647111A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1977-12-02 1978-06-03 1978-12-03 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1981-12-02 1982-06-03 1982-12-03 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1985-12-02 1986-06-03 1986-12-03 $7700.00 Window Closed / Lapsed

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