Appeal No. 99-2487
Application No. 08/834,051
this process. Appealed claims 1 and 9 are adequately
representative of this appealed subject matter and read as
follows:
1. A process for the production of activated carbons
prepared from low-density lignocellulosic agricultural material
comprising the steps of:
A. admixing a binder selected from molasses, coal tar or
wood tar with the low-density lignocellulosic waste to form
pellets, briquettes, or extrudates and converting them into a
char;
B. contacting the charred low-density lignocellulosic
material of step A with carbon dioxide or steam under conditions
effective for production of an activated carbon; and
C. oxidizing the activated carbon of step B in air.
9. An activated carbon produced by the process of claim 1.
The references relied upon by the examiner in the rejections
before us are:
Mehta 3,951,907 Apr. 20, 1976
Bürger et al. (Burger) 3,960,761 Jun. 1, 1976
González-Vilchez et al. (Gonzalez-Vilchez), “The Controlled
Reaction of Active Carbons with Air at 350°C-I,” Carbon, Vol. 17,
pp. 441-446 (1979).
Claims 9-11 stand rejected under 35 U.S.C. § 102(b) as being
anticipated by or alternatively under 35 U.S.C. § 103 as being
obvious over Mehta.
Claims 1, 3, 4 and 7-9 stand rejected under 35 U.S.C. § 103
as being unpatentable over Gonzalez-Vilchez taken with Burger,
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