Title: Cigarette filter
Application Number: 97193745 Application Date: 1997.02.13
Publication Number: 1215977 Publication Date: 1999.05.05
Approval Pub. Date: 2004.03.24 Granted Pub. Date: 2004.03.24
International Classifi-cation: A24D3/10;D04H1/56
Applicant(s) Name: H. F. Address:
Inventor(s) Name: E. Mentzel
Attorney & Agent: lu xinhua
Abstract:
    The invention concerns a filter material which is suitable in particular for producing cigarette filters. The material is characterized in that molten softened cellulose acetate is applied by the melt blown technique to a strip of prefabricated filter paper.
Time: 10
<- Previous Patent:Improvement for filter material   |  Next Patent:Cigarette without ash drop ->