Patent report pounds using Ni-containing crystalline metallosilicates at gas phase. Zeolite ZSM-5 (SIO2/AI203 = 45) was treated with aqueous NaCI, treated with aqueous Ni(NO3)2 kneaded with silica sol, molded and calcined to give the catalyst.
Preparation of pseudocumene and durene T. Suzuki; T. Kimura
Cosmo Sogo Kenkyusho K.K.; Cosmo Oil Co. Ltd Jpn Kokai Tokkyo Koho 91,215,438, Sept. 20, 1991; Appl. Jan. 17, 1990 Pseudocumene (I) or durene, useful as an intermediate for trimellitic acid or pyrometillic acid, respectively, are prepared in high selectivity by methylation of xylene or I with MeOH in the presence of crystalline metallosilicates with oxides ratio (0.1-2) R~jnO.M203.SiO2 (R = mono- or divalent cation; n = the valency of R; M = La and/or Bi; y >I 12) in the dehydrated state.
Spray-dried fabric-softening additive for detergents L. Pioch; E. Wilms; W. Seiter
Henkel K.-G.a.A. Ger. Often. 4,009,618, Oct. 2, 1991; Appl. Mar. 26, 1990 A spray-dried granular composition containing a fabric-softening layer silicate 12.5-20, a zeolite 52-65, Na2SO4 2-8, Na salt of (meth)acrylic acid homo- or copolymer 1.5-8, and nonionic surfactant 0-30%, is useful in granular detergent compositions as an additive that imparts softness to textiles during laundering.
MISCELLANEOUS APPLICATIONS Dyed synthetic fibre h a v i n g a n t i b a c t e r i a l a n d a n t i f u n g a l properties K. Kubota; T. Katoh; M. Hirata et al.
Toray Industries Inc. Eur. Pat. Appl. 456,439, Nov. 13, 1991; Jpn. Appl. May 8, 1990
SEPARATION PROCESSES
PCT Int. Appl. 91,15,444, Oct. 17, 1991; U.S. Appl. Apr. 6, 1990
A dyed synthetic fibre having antibacterial and antifungal properties comprises 0.01-20 wt.% of an Ag-substituted zeolite exhibiting an antibacterial and antifungal action and 0.001-1.0 wt.% of a substantially water-insoluble Cu compound, the Cu-compound being present independently of the zeolite particles in the fibre to aid the dying process.
Organochlorides are removed from hydrocarbon streams using crystalline zeolite molecular sieves (e.g., zeolite NaX) alone, or in combination with alumina.
Use o f a m o l e c u l a r s i e v e b e d t o m i n i m i z e emissions during cold s t a r t o f i n t e r n a l combustion engines
Removal of organochlorides from hydrocarbon s t r e a m s J.D.Y Ou; D.D. Rosenfeld
Exxon Chemical Patents Inc.
S.R. Dunne; R.A. Reber P u r i f i c a t i o n o f tetrafluoroethylene
UOP Inc.
A. Nakahara; Y. Izeki
U.S. 5,051,244, Sept. 24, 1991; Appl. July 20, 1990
Tokuyama Soda Co. Ltd.
Exhaust gases from a cold start are passed over a molecular sieve bed, e.g., silicalite, faujasite, clinoptilolite, mordenite, or chabazite, where the hydrocarbons are adsorbed. The treated gas is then passed over a catalyst bed and discharged. When the molecular sieve bed reaches 150°C, the entire exhaust stream is diverted to the catalyst bed, allowing the molecular sieve bed to cool. When the catalytic bed inlet temperature reaches approximately 350°C, a small portion of the exhaust gas stream is used to desorb the pollutants from the molecular sieve bed and carry them over the catalyst bed for oxidation and discharge.
Jpn Kokai Tokkyo Koho 91,223,291, Oct. 2, 1991; Appl. Jan. 26, 1990 C2F4 is freed from polymerization inhibitors by contact with chlorofluorocarbon-treated zeolites, e.g., zeolite 13X.
DETERGENTS Preparation of granules containing zeolite and clay for use in detergents H. Goodman; G.A. Lymath; D.J. Stockley
ECC International Ltd.
Antifungus white-color thermoplastic resin compositions
Eur. Pat. Appl. 452,016, Oct. 16, 1991; U.K. Appl. Apr. 12, 1990
M. Shoda; Y. Kimura
The mixture of a powdered zeolite and a powdered smectite clay (e.g., bentonite) is tumbled in a rotating pan while water is added to form granules that are dried to ~< 20% water content. The granules have a light color and good flow properties, are resistant to crushing and abrasion during handling and transport in containers, and are useful in detergent compositions.
Kanebo Chemical Industries Ltd. Jpn Kokai Tokkyo Koho 91,215,565, Sept. 20, 1991; Appl. Jan. 19, 1990 Polypropylene compositions useful for kitchen and bathroom utensils contain metal zeolites, ZnO, and optionally dispersing agents and/or lubricants, and have good whiteness, strength, and nonbleeding property.
Particulate bleaching detergent composition containing zeolite and percarbonate P.F. Garner-Gray; I.E. Niven
Unilever N.V.; Unilever PIc. Eur. Pat. Appl. 451,893, Oct. 16, 1991; U.K. Appl. Apr. 9, 1990 The storage stability of Na percarbonate in zeolite-built detergent powders is improved by controlling the size and size distribution of the percarbonate particles.
PATENTS RECEIVED BUT NOT ABSTRACTED Sepiolite adsorbent for low tar cigarette W. Jun, S. Ai
China, Geological and Minerals Bureau; Baoji Cigarette-Making Factory
Bleach-detergent compositions
Chinese 1,052,031, June 12, 1991; Appl. Dec. 3, 1989
M. Kuroda; H. Araki; H. Otsuka et al.
Resin composition containing Ag+ zeolite A as antimicrobial agent
Kao Corp.
T. Yamamoto; S. Uchida; Y. Kurihara
Jpn Kokai Tokkyo Koho 91,215,600, Sept. 20, 1991; Appl. Jan. 19, 1990 The title compositions, showing good detergency even at low temperatures, comprise nonionic surfactant 8-35, crystalline zeolite (zeolite 4A) 20-60, a peroxide forming H202 in water 5-20, a precursor that reacts with H202 to form organic peracid containing quarternary ammonium group 1-10, and a polymer 1-5%, with phosphate content < 0.1% and alkali silicate content < 1%.
Shinagawa Fuel Co. Ltd.; Shinanen New Ceramic K.K. Jpn Kokai Tokkyo Koho 91,161,409, July 11, 1991; Appl. Nov. 20, 1989 Process for preparing blue ultramarine from zeolites V.D. Galstyan; A.K. Nadzharyan; S.S. Karakhanyan et al.
Institute of General and Inorganic Chemistry, Academy of Sciences, Armenian S.S.R. USSR 1,638,147, Mar. 30, 1991; Appl. Oct. 20, 1988
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