WO1995020621A1
Expired / Lapsed
WO
⏱️ 0.0 years remaining
Biodegradable 3-polyhydroxybutyrate/3-polyhydroxyhexanoate copolymer films
Assignee: Procter and Gamble Co
•
Filing: 1995-01-13
•
Granted: —
•
Expires: 2015-01-13
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 05:22
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
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.