US2432634A
(en)
*
|
1939-08-14 |
1947-12-16 |
Universal Oil Prod Co |
Cracking hydrocarbon oil with silica-magnesia catalyst
|
US2423947A
(en)
*
|
1941-04-30 |
1947-07-15 |
Standard Oil Co |
Catalytic reforming process
|
US2608525A
(en)
*
|
1941-11-17 |
1952-08-26 |
Universal Oil Prod Co |
Catalytic cracking of hydrocarbons with a silica-alumina-zirconia composite
|
US2434418A
(en)
*
|
1942-03-14 |
1948-01-13 |
Attapulgus Clay Company |
Preparation of magnesium silicate adsorbents
|
US2437531A
(en)
*
|
1942-12-24 |
1948-03-09 |
Union Oil Co |
Catalytic treatment of hydrocarbons
|
US2433167A
(en)
*
|
1943-06-21 |
1947-12-23 |
Hall Lab Inc |
Mixing the effluent of a potassium base exchanger with water for use in boilers
|
US2435379A
(en)
*
|
1943-12-14 |
1948-02-03 |
Shell Dev |
Preparation of spheroidal catalyst
|
US2518714A
(en)
*
|
1943-12-21 |
1950-08-15 |
Union Oil Co |
Four-component alumina base catalyst and its preparation
|
US2456072A
(en)
*
|
1945-02-12 |
1948-12-14 |
Pure Oil Co |
Conversion of hydrocarbons in the presence of a catalyst and calcium oxide together with steam and/or carbon dioxide
|
US2453585A
(en)
*
|
1945-08-24 |
1948-11-09 |
Socony Vacuum Oil Co Inc |
Process of making a substantially alkali-free hydrogel catalyst
|
US2456721A
(en)
*
|
1945-10-02 |
1948-12-21 |
Houdry Process Corp |
Catalyst manufacture
|
US2457971A
(en)
*
|
1945-11-29 |
1949-01-04 |
Standard Oil Co |
Silica sol
|
US2480628A
(en)
*
|
1946-07-24 |
1949-08-30 |
Socony Vacuum Oil Co Inc |
Removal of zeolytic alkali from gels
|
US2472830A
(en)
*
|
1946-10-16 |
1949-06-14 |
Standard Oil Dev Co |
Preparation of silica containing catalysts
|
US2464480A
(en)
*
|
1946-12-03 |
1949-03-15 |
Texas Co |
Hydrocarbon synthesis
|
US2472831A
(en)
*
|
1947-02-28 |
1949-06-14 |
Standard Oil Dev Co |
Process for the preparation of a silica-metal oxide hydrogel catalyst
|
US2472832A
(en)
*
|
1947-02-28 |
1949-06-14 |
Standard Oil Dev Co |
Process for the preparation of a silica-group iv metal oxide catalyst
|
US2472833A
(en)
*
|
1947-02-28 |
1949-06-14 |
Standard Oil Dev Co |
Process for the preparation of a silica-group vill metal oxide catalyst
|
US2555970A
(en)
*
|
1947-08-27 |
1951-06-05 |
Jr Herbert E Hudson |
Water purification process
|
US2582722A
(en)
*
|
1947-10-03 |
1952-01-15 |
Standard Oil Dev Co |
Preparation of silica-alumina bead catalyst
|
US2472834A
(en)
*
|
1947-10-18 |
1949-06-14 |
Standard Oil Dev Co |
Cracking catalyst
|
US2526907A
(en)
*
|
1948-09-29 |
1950-10-24 |
Universal Oil Prod Co |
Coprecipitation of silica-alumina
|
US2617712A
(en)
*
|
1949-06-18 |
1952-11-11 |
Houdry Process Corp |
Potassium zeolites
|
US2519622A
(en)
*
|
1949-06-27 |
1950-08-22 |
Sheli Dev Company |
Protection of high surface xerogels
|
NL76207C
(pl)
*
|
1951-04-16 |
|
|
|
US2738361A
(en)
*
|
1951-10-03 |
1956-03-13 |
Rheinpreussen Ag |
Preparation of iron catalysts for carbon monoxide hydrogenation
|
US2917466A
(en)
*
|
1951-12-11 |
1959-12-15 |
Shell Dev |
Platinum metal catalysts
|
US2757145A
(en)
*
|
1952-07-21 |
1956-07-31 |
Socony Mobil Oil Co Inc |
Reforming catalyst consisting of chromia, silica, alumina, and molybdena and method for preparing the same
|
US2933456A
(en)
*
|
1954-06-07 |
1960-04-19 |
Nalco Chemical Co |
Preparation of silica-alumina compositions
|
US2943059A
(en)
*
|
1955-06-03 |
1960-06-28 |
Minnesota Mining & Mfg |
Ion exchange glass and use
|
US3056654A
(en)
*
|
1956-02-29 |
1962-10-02 |
Union Carbide Corp |
Process for making crystalline zeolite k-g
|
US3010785A
(en)
*
|
1956-04-17 |
1961-11-28 |
Union Carbide Corp |
Ion-exchange of zeolites
|
US2976331A
(en)
*
|
1957-07-31 |
1961-03-21 |
Exxon Research Engineering Co |
Preparation of aromatics
|
US2971904A
(en)
*
|
1957-02-12 |
1961-02-14 |
Exxon Research Engineering Co |
Petroleum process catalyst supported on a molecular sieve zeolite
|
US2991151A
(en)
*
|
1957-12-05 |
1961-07-04 |
Union Carbide Corp |
Crystalline zeolite q
|
US3010789A
(en)
*
|
1957-12-05 |
1961-11-28 |
Union Carbide Corp |
Crystalline zeolite h
|
US2962355A
(en)
*
|
1957-12-13 |
1960-11-29 |
Union Carbide Corp |
Crystalline zeolite e
|
BE577697A
(pl)
*
|
1958-04-15 |
|
|
|
BE578221A
(pl)
*
|
1958-05-02 |
|
|
|
NL249781A
(pl)
*
|
1959-04-14 |
|
|
|
US3236910A
(en)
*
|
1961-12-18 |
1966-02-22 |
Union Carbide Corp |
Dehydrogenation process employing a chromium containing zeolite
|
FR2418024A1
(fr)
*
|
1978-02-24 |
1979-09-21 |
Catalyse Soc Prod Francais |
Procede ameliore pour la preparation de supports de catalyseurs a faible teneur en sodium
|
US4886887A
(en)
*
|
1985-11-08 |
1989-12-12 |
Ciba-Geigy Corporation |
Process for the preparation of indolines
|