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Biodegradable 3-polyhydroxybutyrate/3-polyhydroxyhexanoate copolymer films

Assignee: Procter and Gamble Co
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Filing: 1995-01-13
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Granted: —
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Expires: 2015-01-13
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Abstract

Abstract The present invention relates to a film comprising a biodegradable copolymer, wherein the copolymer comprises at least two randomly repeating monomer units (RRMU) wherein the firs RRMU monomer unit has structure (a) and the second RRMU has structure (b) wherein at least 50 % of the RRMUs have the structure of the first RRMU. The present invention further relates to an absorbent article comprising a liquid pervious topsheet, a biodegradable liquid impervious backsheet comprising the above film, and an absorbent core positioned between the topsheet and the backsheet.

Inventors

  • 👤 Isao Noda

Bibliographic Details

Application Number —
Jurisdiction WO
Data Source google_patents
Last Synchronized 2026-10-23 11:44
CPC Classifications
C; C08; C08J; C08J5/00; C08J5/18; A; A61; A61F; A61F13/00; A61F13/15; A61F13/15203; A61F13/15252; A61L; A61L15/00; A61L15/16; A61L15/22; A61L15/26; A61L15/42; A61L15/62; C08G; C08G63/00; C08G63/02; C08G63/06; C08G63/08; C09; C09J; C09J167/00; C09J167/04; C08J2367/00; C08J2367/04; Y; Y10; Y10S; Y10S428/00; Y10S428/913; Y10T; Y10T428/00; Y10T428/24; Y10T428/24273; Y10T428/24322; Y10T428/24331; Y10T428/29; Y10T428/2913; Y10T428/2915; Y10T442/00; Y10T442/20; Y10T442/2525; Y10T442/60; Y10T442/659; Y10T442/671; Y10T442/674; Y10T442/69; Y10T442/696

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

EP0226439A1 Cited
GB2243327A Cited
JPH05159A Cited
WO1992018553A1 Cited
EP0533144A2 Cited

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