Kerry Matthew Dooley

6387174, May 14, 2002

Apr 10, 2001

09/829892

F. Carl Knopf - Baton Rouge LA
Kerry M. Dooley - Baton Rouge LA

Board of Supervisors of Louisiana State University and Agricultural and Mechanical College - Baton Rouge LA

C04B 1428

106738, 106644, 106682

A method is disclosed for rapidly carbonating large cement structures, by forming and hardening cement in a mold under high carbon dioxide density, such as supercritical or near-supercritical conditions. The method is more reliable, efficient, and effective than are post-molding treatments with high-pressure CO. Cements molded in the presence of high-pressure CO are significantly denser than otherwise comparable cements having no CO treatment, and are also significantly denser than otherwise comparable cements treated with CO after hardening. Bulk carbonation of cementitious materials produces several beneficial effects, including reducing permeability of the cement, increasing its compressive strength, and reducing its pH. These effects are produced rapidly, and extend throughout the bulk of the cementâthey are not limited to a surface layer, as are prior methods of post-hardening CO treatment. The method may be used with any cement or concrete composition, including those made with waste products such as fly ash or cement slag.

51496798, Sep 22, 1992

May 1, 1990

7/517334

Geoffrey L. Price - Baton Rouge LA
Vladislav I. Kanazirev - Sofia, BG
Kerry M. Dooley - Baton Rouge LA

Board of Supervisors of Louisiana State University and Agricultural and
Mechanical College - Baton Rouge LA

B01J 2906
B01J 2308

502 61

A catalyst useful in the aromatization of light paraffins and other hydrocarbons conversion reactions, formed by preparing an intimate mechanical mixture of a gallium-containing species, such as Ga. sub. 2 O. sub. 3, with a zeolite having a pore mouth comprising 10 oxygen atoms, such as ZSM-5, preferably followed by treatment with a reducing agent, such as hydrogen.

62647369, Jul 24, 2001

Oct 13, 1998

9/170480

F. Carl Knopf - Baton Rouge LA
Kerry M. Dooley - Baton Rouge LA

Board of Supervisors of Louisiana State University and Agricultural and
Mechanical College - Baton Rouge LA

C04B 2206

106682

A method is disclosed for rapidly carbonating large cement structures, by forming and hardening cement in a mold under high carbon dioxide density, such as supercritical or near-supercritical conditions. The method is more reliable, efficient, and effective than are post-molding treatments with high-pressure CO. sub. 2. Cements molded in the presence of high-pressure CO. sub. 2 are significantly denser than otherwise comparable cements having no CO. sub. 2 treatment, and are also significantly denser than otherwise comparable cements treated with CO. sub. 2 after hardening. Bulk carbonation of cementitious materials produces several beneficial effects, including reducing permeability of the cement, increasing its compressive strength, and reducing its pH. These effects are produced rapidly, and extend throughout the bulk of the cement--they are not limited to a surface layer, as are prior methods of post-hardening CO. sub. 2 treatment.