Title:
BIODEGRADABLE CELLULOSE ACETATE CONSTRUCTIONS AND TOBACCO FILTER
Document Type and Number:
WIPO Patent Application WO/2000/053832
Kind Code:
A1
Abstract:
Highly biodegradable cellulose acetate constructions at least the surface area of which comprises a biodegradable cellulose acetate composition containing, in cellulose acetate, a biodegradation promotor comprising at least one compound selected from the group consisting of phosphorus oxygen acid salts, phosphorus oxygen acid esters, carbonic acid and its salts.
Inventors:
YAMASHITA YOICHIRO (JP)
Application Number:
PCT/JP2000/001477
Publication Date:
September 14, 2000
Filing Date:
March 10, 2000
Export Citation:
Assignee:
JAPAN TOBACCO INC (JP)
YAMASHITA YOICHIRO (JP)
YAMASHITA YOICHIRO (JP)
International Classes:
C08L1/10; A24D3/10; D01F1/10; D01F2/28; D04H1/425; D04H1/4258; (IPC1-7): D01F2/28; D04H1/42; A24D3/10
Domestic Patent References:
| WO1993024685A1 | 1993-12-09 |
Foreign References:
| JPS63105655A | 1988-05-10 | |||
| EP0597478A1 | 1994-05-18 | |||
| EP0632970A2 | 1995-01-11 |
Other References:
See also references of EP 1167589A4
Attorney, Agent or Firm:
Suzuye, Takehiko (Kasumigaseki 3-chome Chiyoda-ku, Tokyo, JP)
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