Richard Davis Tucker
Engineering in Locust, NC
License number
Louisiana PE.0027296
Issued Date
May 6, 1997
Expiration Date
Sep 30, 2007
Category
Civil Engineer
Type
Electrical and Computer Engineer
Address
Address
PO Box 326, Locust, NC 28097
Professional information
Method Of Forming Cigarette Filter Material
US Patent:
4283186, Aug 11, 1981
Filed:
Aug 28, 1978
Appl. No.:
5/937229
Inventors:
Charles H. Keith - Charlotte NC
Richard O. Tucker - Locust NC
Richard O. Tucker - Locust NC
Assignee:
Celanese Corporation - New York NY
International Classification:
B01D 2700
US Classification:
493 42
Abstract:
A non-woven cellulose ester fibrous filter sheet material comprising cellulose ester staple fibers and cellulose ester fibrets which exhibits improved filtration properties and the method of its preparation.
Process For Producing Filter Material
US Patent:
4192838, Mar 11, 1980
Filed:
Aug 28, 1978
Appl. No.:
5/937236
Inventors:
Charles H. Keith - Charlotte NC
Richard O. Tucker - Locust NC
Richard O. Tucker - Locust NC
Assignee:
Celanese Corporation - Charlotte NC
International Classification:
B29C 600, B22D 2308
US Classification:
264 10
Abstract:
A non-woven cellulose ester fibrous filter sheet material comprising cellulose ester staple fibers and cellulose ester fibrets which exhibits improved filtration properties and the method of its preparation.
Filter Material
US Patent:
4274914, Jun 23, 1981
Filed:
Oct 11, 1979
Appl. No.:
6/084004
Inventors:
Charles H. Keith - Charlotte NC
Richard O. Tucker - Locust NC
Richard O. Tucker - Locust NC
Assignee:
Celanese Corporation - New York NY
International Classification:
D21F 1112, B01D 3904
US Classification:
162109
Abstract:
A non-woven cellulose ester fibrous filter sheet material comprising cellulose ester staple fibers and cellulose ester fibrets which exhibits improved filtration properties and the method of its preparation.