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公开(公告)号：US3867312A
公开(公告)日：1975-02-18
申请号：US22424072
申请日：1972-02-07
Applicant: ETHYL CORP
Inventor： STEPHENS RUTH E
CPC classification number: B01D53/86 , B01J23/10 , Y10S502/50 , Y10S502/504
Abstract: A thermally stable and attrition resistant catalyst support, prepared from alumina having a lanthanide series metal oxide uniformly distributed throughout, a catalyst composition utilizing this support, processes for preparing both support and catalyst, and a method of treating internal combustion engine exhaust gases and preventing crystallization of alumina is disclosed.
Abstract translation: 由氧化铝制成的热稳定且耐磨耗的催化剂载体，其中均匀分布有镧系元素金属氧化物，使用该载体的催化剂组合物，制备载体和催化剂的方法，以及处理内燃机废气和防止结晶的方法 的氧化铝。
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公开(公告)号：US3449063A
公开(公告)日：1969-06-10
申请号：US3449063D
申请日：1966-05-13
Applicant: ETHYL CORP
Inventor： GRIFFING MARGARET E , LAMB FRANCES W , STEPHENS RUTH E
CPC classification number: B01D53/945 , B01D53/9418 , B01D2251/2062 , B01D2255/1023 , B01D2255/20761 , B01J23/72 , B01J23/8926 , Y02T10/22
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公开(公告)号：US3447893A
公开(公告)日：1969-06-03
申请号：US3447893D
申请日：1966-02-04
Applicant: ETHYL CORP
Inventor： STEPHENS RUTH E , HIRSCHLER DANIEL A JR , LAMB FRANCES W
CPC classification number: B01J23/8472 , B01D53/944 , B01J23/72 , B01J23/75
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公开(公告)号：US3224981A
公开(公告)日：1965-12-21
申请号：US16307761
申请日：1961-12-29
Applicant: ETHYL CORP
Inventor： STEPHENS RUTH E , HIRSCHLER JR DANIEL A , LAMB FRANCES W
CPC classification number: B01J23/8926 , B01D53/944
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公开(公告)号：US3552913A
公开(公告)日：1971-01-05
申请号：US3552913D
申请日：1969-07-22
Applicant: ETHYL CORP
Inventor： STEPHENS RUTH E
CPC classification number: B01D53/9413 , B01D2255/2068 , B01J23/10
Abstract: A METHOD OF DECOMPOSING NITROGEN OXIDE IS PROVIDED BY CONTACTING AN OXIDE OF NITROGEN-CONTAINING GAS WITH A SUITABLE CATALYST, SAID CATALYST CONSISTING OF 0.001 TO 25 WEIGHT PERCENT OF NEODYMIUM IN AN OXIDE FORM, USUALLY WITH A CATALYST SUPPORT.
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Patent Agency Ranking
公开(公告)号：US3540838A
公开(公告)日：1970-11-17
申请号：US3540838D
申请日：1968-07-03
Applicant: ETHYL CORP , CATALYSTS & CHEM INC
Inventor： REITMEIER RONALD E , HIRSCHLER DANIEL A JR , LAMB FRANCES W , STEPHENS RUTH E
CPC classification number: B01D53/944 , B01J23/8926
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公开(公告)号：US3425792A
公开(公告)日：1969-02-04
申请号：US3425792D
申请日：1965-03-12
Applicant: ETHYL CORP
Inventor： STEPHENS RUTH E
CPC classification number: B01J27/1856 , B01D53/944 , B01J21/04 , B01J23/40 , B01J23/42 , B01J23/628 , B01J31/16
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公开(公告)号：US3865923A
公开(公告)日：1975-02-11
申请号：US34278673
申请日：1973-03-19
Applicant: ETHYL CORP
Inventor： STEPHENS RUTH E
CPC classification number: B01D53/945 , B01J23/34 , Y02T10/22
Abstract: Disclosed herein is an exhaust gas catalyst consisting essentially of a first metal selected from copper, nickel and cobalt, a rare earth metal, and a third metal selected from manganese, vanadium, iron and chromium, all in an oxide form and on a suitable catalyst support. The preferred catalysts contain copper, lanthanum and manganese in an atom ratio of about 1:2:3. The catalysts are resistant to lead.
Abstract translation: 本文公开了一种废气催化剂，其主要由选自铜，镍和钴的第一金属，稀土金属和选自锰，钒，铁和铬的第三金属组成，全部为氧化物形式和合适的催化剂 支持。 优选的催化剂含有原子比为约1:2:3的铜，镧和锰。 催化剂对铅具有抗性。
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公开(公告)号：US3676370A
公开(公告)日：1972-07-11
申请号：US3676370D
申请日：1970-08-31
Applicant: ETHYL CORP
Inventor： STEPHENS RUTH E
CPC classification number: B01J23/10 , B01D53/8628 , B01D53/9413 , B01D53/944 , B01D2255/1023 , B01D2255/2042 , B01D2255/2068 , B01D2255/20761 , B01D2258/01 , B01D2258/0283
Abstract: The oxides of nitrogen content of a gas stream can be reduced by contacting the gas stream with a catalyst consisting essentially of neodymium oxide and barium oxide on a suitable support at elevated temperatures. The catalysts are especially useful in reducing the nitric oxide content of the exhaust gas of internal combustion engines.
Abstract translation: 通过在高温下使合适的载体上的气流与基本上由氧化钕和氧化钡组成的催化剂接触，可以减少气流的氮含量的氧化物。 催化剂特别可用于降低内燃机废气的一氧化氮含量。
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公开(公告)号：US3545917A
公开(公告)日：1970-12-08
申请号：US3545917D
申请日：1967-10-10
Applicant: ETHYL CORP
Inventor： STEPHENS RUTH E
CPC classification number: B01D53/9413 , B01D2255/2063 , B01D2255/2066
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