Chemistry of inorganic compounds – Boron or compound thereof – Binary compound
Patent
1999-04-09
2000-12-26
Nguyen, Ngoc-Yen
Chemistry of inorganic compounds
Boron or compound thereof
Binary compound
423295, 423296, 423240S, 423347, 423299, 423645, C01B 610
Patent
active
061654345
ABSTRACT:
BF.sub.3, CO.sub.2 or both are removed from a mixture containing these gases with B.sub.2 H.sub.6 by contacting the mixture with an inorganic hydroxide such as LiOH. B.sub.2 H.sub.6 is synthesized by contacting BF.sub.3 with KBH.sub.4.
REFERENCES:
patent: 2994586 (1961-08-01), Huff
patent: 4298587 (1981-11-01), Kapur
patent: 4388284 (1983-06-01), Shore et al.
patent: 4457901 (1984-07-01), Kitsugi et al.
patent: 4520006 (1985-05-01), Laviron et al.
patent: 4535072 (1985-08-01), Kitayama et al.
patent: 4714604 (1987-12-01), Olson
patent: 4943423 (1990-07-01), Evans et al.
patent: 4976942 (1990-12-01), Kitahara et al.
patent: 5213767 (1993-05-01), Smith et al.
patent: 5242670 (1993-09-01), Gehringer
patent: 5371052 (1994-12-01), Kawamura et al.
patent: 5378444 (1995-01-01), Akita et al.
patent: 5670445 (1997-09-01), Kitahara et al.
patent: 5705727 (1998-01-01), Holub et al.
patent: 5846429 (1998-12-01), Shimizu et al.
patent: 5882615 (1999-03-01), Fukuda et al.
The Merck Index Ninth Edition 1976 p. 214 and p. 1107 (No Month).
The Chemistry of Boron and its Compounds Earl L. Muetterties 1967 pp. 246-257 (No Month).
124:320332 CA Method and apparatus for preventing hindrance of stable pressure-regulating function of valve in supply of diborane-containing gas mixture Inventors: Adachi,Fujio; Nakanishi,Ryuichi Abstract of JP 08075097 Dated: Mar. 19, 1996.
122:149471 CA Process and composition for purifying semiconductor process gases to remove Lewis acid and oxidant impurities Inventors: Tom,Glenn M.; McManus,James V. Abstract of WO 9501409 Dated: Jan. 12, 1995.
116:87053 CA Physicochemical principles of high-degree purification of volatile inorganic hydrides by fractional distillation at elevated pressures. II. Temperature dependence of the separation factor of a fractionating column from the boiling point (Tb) to 0.8 times the critical temperature (Tc). Authors: Vorotyntsev, V.M.; Mochalov, G.M.; Balabanov, V.V. Vysokochist. Veshchestva (1991), (6), 126-30, Journal, Russian (Abstract) No Month.
115:259370 CA Purification of diborane Inventors: Tsuchiya, Hiroo; Otsuji, Akira Abstract of JP 03197301 Dated Aug. 28, 1991.
115:74671 CA Purification of hydride gas Inventors: Kitahara, Koichi; Shimada, Takashi; Iwata Keiichi Abstract of JP 03075202 Dated Mar. 29, 1991.
115:11795 CA Purification of gaseous hydrides Inventors: Kitahara, Koichi; Shimada, Takashi; Iwata, Keiichi Abstract of JP 03040901 Dated Feb. 21, 1991.
114:219600 CA Purification of hydride gases Kitahara, Koichi; Shimada, Takashi; Iwata, Keiichi Abstract of JP 03012304 Dated Jan. 21, 1991.
114:219599 CA Purification of hydride gases Inventors: Kitahara, Koichi; Shimada, Takashi; Iwata, Keiichi Abstract of JP 03012303 Dated Jan. 21, 1991.
114:46026 CA Purification of hydride gas useful for semiconductor preparation Inventors: Kitahara, Koichi; Shimada, Takashi; Iwata, Keiichi Abstract of JP 02204306 Dated Aug. 14, 1990.
81:5036 CA Separation of compounds using zeolites Inventors: Yatsurugi, Yoshifumi; Kuratomi, Tatsuo; Takaishi, Tetsuo Abstract of DE 2264512 Dated Jan. 24, 1974.
72:22900 CA Ultrapurification of diborane by low-temperature fractional distillation Authors: Zorin, A.D.; Kedyarkin, V.M.; Stepanov, V.M.; Kuznetsova, T.S.; Martynova, N.A. Tr. Khim. Khim. Tekhnol. (1968), (3), 103-7 Journal, Russian, Abstract No Month.
68:8902 CA Attempt at separating mixtures of boron chloride, dichloromonoborane, and diborane. Application to the purification of diborane and the conversion of dichloromonoborane Authors: Cueilleron, Jean; Bouix, Jean Bull. Soc. Chim. Fr. (1967), (9), 3526-9 Journal, French, Abstract No Month.
Nguyen Ngoc-Yen
UHP Materials, Inc
LandOfFree
Purification of diborane does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Purification of diborane, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Purification of diborane will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-991497