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Use of zeolite P as low temperature calcium binder
Patent report Purification of argon K. Haruna; M. Uno Sumitomose/ka K,K. Jpn. Kokai Tokkyo Koho 94,182,136, July 6, 1994; Appl. Dec. 17, 1992 Crude Ar containing 02 from air cryogenic separation is fed into a thermal swing adsorption column packed with zeolite molecular sieves to remove 02, catalytically reacted with H2 for removal of residual 02, and dried to give purified Ar. Consumption of H2 for catalytic reaction is minimized, H y d r o c a r b o n adsorption catalysts for t r e a t m e n t of exhaust gases M. Kamikubo; T. Ikeda; C. Hayashi et al. Nissan Motor Jpn. Kokai Tokkyo Koho 94,170,172, June 21, 1994; Appl. Dec. 1, 1992 In the catalysts consisting of monolithic supports coated with ZSM-5 zeolites that have different SiO2/AI203 ratios in forward and backward parts, respectively, on the supports and are effective in adsorbing hydrocarbons, the SiO2/AI203 ratios are 100-700 in the forward part and 10-40 in the backward part. The zeolites effectively adsorb hydrocarbons at both low temperature and high temperature, and heat of adsorption promotes activation of catalyst converters arranged downstream.
DETERGENTS Use of zeolite P as l o w t e m p e r a t u r e calcium binder C.J. Adams; A. Araya; P. Graham et al. Joseph Crosfield and Sons Ltd.; Unilever PLC; Unilever N.V. PCT Int. Appl. 94,03,573, Feb. 17, 1994; U.K. Appl. July 31, 1992 Alkali metal aluminosilicates of the zeolite P-type having the composition M~nO • AlsO3. (1.80-2.66)SIO2 • yHzO (M = n-valent cation such as Na or K) rapidly remove Ca ions from water at ~>5°Cand are useful in detergents for laundering in cold water.
PATENTS
RECEIVED BUT NOT ABSTRACTED
Manufacture of lower alkenes by selective cracking using a ZSM-5 zeolite catalyst having SiO=/Al=O3 > 50 Y. Zhao; Z. Wang China Petrochemical Corp. Chinese 1,080,314, Jan. 5, 1994; Appl. June 19, 1992 Hydrocracking process using a catalyst containing zeolite ~ and a layered magnesium silicate M.L. Occelli Union Oil Co. of California U.S. 5,328,590, July 12, 1995; App]. Feb. 27, 1992
Granular detergent compositions w i t h high bulk d e n s i t y and improved rinsing p r o p e r t i e s I. Tanabe; J. Yoneyama; T. Sugimoto Lion Corp. Jpn. Kokai Tokkyo Koho 94,100,885; 94,100,886; 94,100,887, Apr. 12, 1994; Appls. Sept. 16, 1992 The title compositions (bulk density 0.6-1.2 g/ml) showing high detergency in laundering comprise (A) 5-50% surfactants, (B) 10-50% alkali metal (bi)carbonates, (C) ethylenically unsaturated mono- or dicarboxylic acid polymer salts of molecular weight 1,000-250,000, and (D) aluminosilicates, at C + D content 1070% and C/D weight ratio 100-0 to 1-99. Particulate d e t e r g e n t s w i t h high s u r f a c t a n t concentrat i o n and f l o w a b i l i t y T. Ishikawe; T. Inotsuka; Y. Ide et al. Lion Corp. Jpn. Kokai Tokkyo Koho 94,129,594; 94,128,595; 94,128,596, May 10, 1994; Appls. Oct. 16, 1992 The title compositions are prepared by stir granulating (A) a mixed powder of 35-70% surfactant paste (of which ~>60% is an anionic surfactant) and 30--65% alkaline inorganic salts containing K carbonate or bicarbonate and (B) zeolite at A:B = 45-95: 55-5.
MISCELLANEOUS APPLICATIONS Carbon d i o x i d e sensors K. Kaneyasu; T. Nakahara Tokuyama K.K. Jpn. Kokai Tokkyo Koho 94,186,198, July 8, 1994; Appl. Dec. 18, 1992 The CO2 sensors comprise a casing having an opening, a sensing element with a heater and a zeolite filter to minimize the interference of organic gases.
Preparation of 2,6-diethylnaphthalene by reaction of naphthalene with diethylbenzene and ethylene over a Y-type zeolite catalyst S. Ide; T. Tominaga Shinnittetsu Kagaku Jpn. Kokai Tokkyo Koho 94,145,077, May 24, 1994; Appl. Nov, 11, 1992 NaA-type zeolites ion exchanged with K as adsorbents for oxygen and separation of oxygen from nitrogen S. Kobayashi; J. Izumi; A. Yasutake et al.
Preparation of alkylamines over dealuminated Y-type zeolites B.L. Benac; J.F. Knifton; E. Dai Texaco Inc. Eur. Pat. Appl. 587,424, Mar. 16, 1994; U.S. Appl. Sept. 8, 1992
Tokyo Electric Power Co.; Mitsubishi Heavy Industries Ltd. Jpn. Kokai Tokkyo Koho 94,178,933; 94,178,934, June 28, 1994; Appls. Dec. 14, 1992 Rare earth metals loaded on Cu-exchanged zeolite supports as catalysts for nitrogen oxides removal from automotive exhaust gases H. Ogawa; S. Okazadi; S. Kasahara et al. Tosoh Corp. Jpn. Kokai Tokkyo Koho 94,126,187, May 10, 1994; Appl. Oct. 20, 1992 Zeolite-based catalysts for nitrogen oxides removal from diesel exhaust gases M. Tabata; H. Tsuchida; K. Myamoto et al. Petroleum Energy Center Foundation; Sakai Chemical Industry Co.; Cosmo Oil Co. Ltd.; Kogyo Gijutsuin Jpn. Kokai Toklo/o Koho 94,142,456, May 24, 1994; Appl. Nov. 8, 1992
Catalytic process for dewaxing hydrocarbon feedstocks using a catelyst comprising an oxide of a group VIII metal or an oxide of a group VIB metal on a ZSM-5 type zeolite support R.J. Taylor, P.-S.E. Dai; R.H. Petty et al. Texaco Inc. U.S. 5,332,490, July 26, 1994; Appl. Sept. 28, 1992
Exhaust gas purification catalyst comprising metal-exchanged ZSM-5 zeolites and metals T. Ikeda C. Hayashi; M. Kamikubo et al. Nissan Motor Jpn. Kokai Tokkyo Koho 94,170,234, June 21, 1994; Appl. Dec. 1, 1992
Methanol conversion to olufins with a catalyst containing hydrothermally treated silicoaluminophosphata molecular sieve P.T. Barger UOP Inc. Can. Pat. Appl. 2,062,254, Sept. 5, 1993; Appl. Mar. 4, 1992
Zeolites 15:754-759, 1995
757
DETERGENTS Use of zeolite P as l o w t e m p e r a t u r e calcium binder C.J. Adams; A. Araya; P. Graham et al. Joseph Crosfield and Sons Ltd.; Unilever PLC; Unilever N.V. PCT Int. Appl. 94,03,573, Feb. 17, 1994; U.K. Appl. July 31, 1992 Alkali metal aluminosilicates of the zeolite P-type having the composition M~nO • AlsO3. (1.80-2.66)SIO2 • yHzO (M = n-valent cation such as Na or K) rapidly remove Ca ions from water at ~>5°Cand are useful in detergents for laundering in cold water.
PATENTS
RECEIVED BUT NOT ABSTRACTED
Manufacture of lower alkenes by selective cracking using a ZSM-5 zeolite catalyst having SiO=/Al=O3 > 50 Y. Zhao; Z. Wang China Petrochemical Corp. Chinese 1,080,314, Jan. 5, 1994; Appl. June 19, 1992 Hydrocracking process using a catalyst containing zeolite ~ and a layered magnesium silicate M.L. Occelli Union Oil Co. of California U.S. 5,328,590, July 12, 1995; App]. Feb. 27, 1992
Granular detergent compositions w i t h high bulk d e n s i t y and improved rinsing p r o p e r t i e s I. Tanabe; J. Yoneyama; T. Sugimoto Lion Corp. Jpn. Kokai Tokkyo Koho 94,100,885; 94,100,886; 94,100,887, Apr. 12, 1994; Appls. Sept. 16, 1992 The title compositions (bulk density 0.6-1.2 g/ml) showing high detergency in laundering comprise (A) 5-50% surfactants, (B) 10-50% alkali metal (bi)carbonates, (C) ethylenically unsaturated mono- or dicarboxylic acid polymer salts of molecular weight 1,000-250,000, and (D) aluminosilicates, at C + D content 1070% and C/D weight ratio 100-0 to 1-99. Particulate d e t e r g e n t s w i t h high s u r f a c t a n t concentrat i o n and f l o w a b i l i t y T. Ishikawe; T. Inotsuka; Y. Ide et al. Lion Corp. Jpn. Kokai Tokkyo Koho 94,129,594; 94,128,595; 94,128,596, May 10, 1994; Appls. Oct. 16, 1992 The title compositions are prepared by stir granulating (A) a mixed powder of 35-70% surfactant paste (of which ~>60% is an anionic surfactant) and 30--65% alkaline inorganic salts containing K carbonate or bicarbonate and (B) zeolite at A:B = 45-95: 55-5.
MISCELLANEOUS APPLICATIONS Carbon d i o x i d e sensors K. Kaneyasu; T. Nakahara Tokuyama K.K. Jpn. Kokai Tokkyo Koho 94,186,198, July 8, 1994; Appl. Dec. 18, 1992 The CO2 sensors comprise a casing having an opening, a sensing element with a heater and a zeolite filter to minimize the interference of organic gases.
Preparation of 2,6-diethylnaphthalene by reaction of naphthalene with diethylbenzene and ethylene over a Y-type zeolite catalyst S. Ide; T. Tominaga Shinnittetsu Kagaku Jpn. Kokai Tokkyo Koho 94,145,077, May 24, 1994; Appl. Nov, 11, 1992 NaA-type zeolites ion exchanged with K as adsorbents for oxygen and separation of oxygen from nitrogen S. Kobayashi; J. Izumi; A. Yasutake et al.
Preparation of alkylamines over dealuminated Y-type zeolites B.L. Benac; J.F. Knifton; E. Dai Texaco Inc. Eur. Pat. Appl. 587,424, Mar. 16, 1994; U.S. Appl. Sept. 8, 1992
Tokyo Electric Power Co.; Mitsubishi Heavy Industries Ltd. Jpn. Kokai Tokkyo Koho 94,178,933; 94,178,934, June 28, 1994; Appls. Dec. 14, 1992 Rare earth metals loaded on Cu-exchanged zeolite supports as catalysts for nitrogen oxides removal from automotive exhaust gases H. Ogawa; S. Okazadi; S. Kasahara et al. Tosoh Corp. Jpn. Kokai Tokkyo Koho 94,126,187, May 10, 1994; Appl. Oct. 20, 1992 Zeolite-based catalysts for nitrogen oxides removal from diesel exhaust gases M. Tabata; H. Tsuchida; K. Myamoto et al. Petroleum Energy Center Foundation; Sakai Chemical Industry Co.; Cosmo Oil Co. Ltd.; Kogyo Gijutsuin Jpn. Kokai Toklo/o Koho 94,142,456, May 24, 1994; Appl. Nov. 8, 1992
Catalytic process for dewaxing hydrocarbon feedstocks using a catelyst comprising an oxide of a group VIII metal or an oxide of a group VIB metal on a ZSM-5 type zeolite support R.J. Taylor, P.-S.E. Dai; R.H. Petty et al. Texaco Inc. U.S. 5,332,490, July 26, 1994; Appl. Sept. 28, 1992
Exhaust gas purification catalyst comprising metal-exchanged ZSM-5 zeolites and metals T. Ikeda C. Hayashi; M. Kamikubo et al. Nissan Motor Jpn. Kokai Tokkyo Koho 94,170,234, June 21, 1994; Appl. Dec. 1, 1992
Methanol conversion to olufins with a catalyst containing hydrothermally treated silicoaluminophosphata molecular sieve P.T. Barger UOP Inc. Can. Pat. Appl. 2,062,254, Sept. 5, 1993; Appl. Mar. 4, 1992
Zeolites 15:754-759, 1995
757