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公开(公告)号：US5132099A
公开(公告)日：1992-07-21
申请号：US763166
申请日：1991-09-20
Applicant: Yasushi Hiramatsu , Yukio Ishiuchi , Hiromitsu Nagashima
Inventor： Yasushi Hiramatsu , Yukio Ishiuchi , Hiromitsu Nagashima
IPC: B01J23/42 , B01J27/13 , B01J31/08 , B01J31/10 , C01B15/029
CPC classification number: C01B15/029 , B01J23/42 , B01J27/13 , B01J31/10
Abstract: A method for producing hydrogen peroxide by the reaction of hydrogen and oxygen in the reaction medium in the presence of a platinum group metal catalyst supported on a halogenated resin, in which, since there are no halogen ion nor high concentrations of acid in the reaction medium of this invention as there are in prior art methods, the problems of dissolution of catalyst and corrosion of the reaction vessel are solved.
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公开(公告)号：US5098945A
公开(公告)日：1992-03-24
申请号：US654415
申请日：1991-02-11
Applicant: Rita Pitteloud , Paul Dubs
Inventor： Rita Pitteloud , Paul Dubs
IPC: B01J31/08 , C07B61/00 , C07C37/14 , C07C37/20 , C07C37/50 , C07C37/68 , C07C37/74 , C07C37/84 , C07C39/00 , C07C39/06 , C07C39/16 , C08K5/13 , C08L9/02 , C08L25/04 , C08L29/14 , C08L71/00 , C08L75/04 , C08L101/00 , C09K15/08
CPC classification number: C07C39/06 , C07C37/20 , C07C37/50 , C07C37/74 , C07C37/84 , C08K5/13 , C09K15/08 , Y02P20/52
Abstract: A composition containing a) a polystyrene, substituted polystyrene, copolymer or terpolymer of styrene or of a substituted styrene, polycarbonate, polyester-carbonate, polyurethane, polyamide copolyamide, polyacetyl or polyphenylene oxide and b) at least one compound of the formula I ##STR1## in which R.sub.1 is methyl or ethyl and R.sub.2 is C.sub.2 -C.sub.30 alkyl.Compounds of the formula I in which R.sub.2 is C.sub.8 -C.sub.30 alkyl are novel and are suitable for stabilizing organic materials against thermal, oxidative and actinic degradation.
Abstract translation: 包含a）聚苯乙烯，取代的聚苯乙烯，苯乙烯或取代苯乙烯的共聚物或三元共聚物，聚碳酸酯，聚酯 - 碳酸酯，聚氨酯，聚酰胺共聚酰胺，聚乙酰基或聚苯醚的组合物和b）至少一种式I化合物 （I）其中R1是甲基或乙基，R2是C2-C30烷基。 其中R 2为C 8 -C 30烷基的式I化合物是新的并且适用于稳定有机材料以防止热，氧化和光化学降解。
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公开(公告)号：US5057477A
公开(公告)日：1991-10-15
申请号：US447095
申请日：1989-12-06
Applicant: Yigal Becker , Asher Elgavi , Youval Shvo
Inventor： Yigal Becker , Asher Elgavi , Youval Shvo
IPC: C01C3/00 , B01J31/02 , B01J31/06 , B01J31/08 , C07B61/00 , C07C43/115 , C07C253/00 , C07C255/36 , C07C255/37 , C07C255/54 , C08F12/08
CPC classification number: B01J31/0237 , B01J31/0244 , B01J31/08 , C07C255/36 , C07C255/37 , B01J2231/323
Abstract: A catalyst for the asymmetric cyanohydrination of m-phenoxybenzaldehyde, comprises a catalytically effective amount of enantiomeric cyclo (phenylalanyl-histidine) adsorbed on a solid support comprising a non-ionic polymer resin.The catalyst is particularly useful as a catalyst in a process for the preparation of (s)-m-phenoxybenzaldehyde cyanohydrin, in which m-phenoxybenzaldehyde is reacted in a cyanohydrination solvent.
Abstract translation: 用于间苯氧基苯甲醛的不对称氰化反应的催化剂包含吸附在包含非离子聚合物树脂的固体载体上的催化有效量的对映异构体环（苯丙氨酰 - 组氨酸）。 催化剂特别可用作制备（s）-m-苯氧基苯甲醛氰醇的方法中的催化剂，其中间苯氧基苯甲醛在氰化氢化溶剂中反应。
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公开(公告)号：US5053535A
公开(公告)日：1991-10-01
申请号：US618058
申请日：1990-11-23
Applicant: Yoshikazu Shima , Takafumi Abe , Hirofumi Higuchi , Koichi Kida
Inventor： Yoshikazu Shima , Takafumi Abe , Hirofumi Higuchi , Koichi Kida
CPC classification number: C07C51/09
Abstract: A process for producing an .alpha.-hydroxyisobutyric acid which comprises hydrolyzing .alpha.-hydroxyisobutyric acid ester in the presence of an organic sulfonic acid catalyst, using an .alpha.-hydroxyisobutyric acid ester as the starting material.According to said process, .alpha.-hydroxyisobutyric acid can be efficiently produced.
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公开(公告)号：US5047438A
公开(公告)日：1991-09-10
申请号：US249762
申请日：1988-09-26
Applicant: Binyamin Feibush , Nai-Hong Li
Inventor： Binyamin Feibush , Nai-Hong Li
IPC: B01J20/285 , B01D15/08 , B01J20/26 , B01J20/28 , B01J20/281 , B01J31/06 , B01J31/08 , B01J39/20 , B01J41/14 , C08F2/18 , C08F2/44 , C08F12/00 , C08F12/08 , C08F20/10 , C08J9/26 , C08L25/04 , C08L27/06 , G01N30/88
CPC classification number: B01J41/14 , B01J20/26 , B01J20/28004 , B01J20/28014 , B01J20/28026 , B01J20/2803 , B01J20/28057 , B01J20/28069 , B01J20/28078 , B01J20/28097 , B01J20/3057 , B01J31/067 , B01J31/08 , B01J39/20
Abstract: Porous, rigid resin particles are prepared having a predetermined particle size distribution, surface area and porosity by polymerizing in the pores of porous inorganic template particles a reaction mixture comprising monovinyl monomers, polyvinyl crosslinking monomers and a polymerization initiator in a liquid medium in which the monomers and initiator are phase separable and extractable therefrom into the pores of the template particles. The extracted mixture is polymerized in the pores of the template particles, and the template particles are removed without destruction of the polymerizate. The isolated polymerizate mirrors the characteristics of the template particles. The surface of the polymerizate may be modified in various ways to contain desired functionality. The particles of the invention are useful in chromatography, adsorption, ion exchange, and in catalysis.
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Patent Agency Ranking
公开(公告)号：US5021163A
公开(公告)日：1991-06-04
申请号：US559106
申请日：1990-07-25
Applicant: Ernest R. Anderson , Dominick Vacco , Thomas J. Dagon
Inventor： Ernest R. Anderson , Dominick Vacco , Thomas J. Dagon
Abstract: Anions containing sulfur and oxygen, e.g. thiosulfate, can be catalytically reduced using a protonated anion ion exchange resin as a catalyst. The process is preferably conducted in an aqueous system and at a pH below about 8.
Abstract translation: 含硫和氧的阴离子，例如 硫代硫酸盐可以使用质子化的阴离子交换树脂作为催化剂催化还原。 该方法优选在水性体系中并且在低于约8的pH下进行。
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公开(公告)号：US4789488A
公开(公告)日：1988-12-06
申请号：US88991
申请日：1987-08-21
Applicant: Sunil G. deSilva
Inventor： Sunil G. deSilva
CPC classification number: B01J31/08 , B01D19/0005 , C02F1/20 , C02F1/725 , C23F11/18
Abstract: Water for use in steam generation systems, which is contained in a storage tank, is deoxygenated for use in the system by adding hydrogen to a stream of the water and intimately mixing the same, pressurizing the stream to a pressure of 60-150 psig, and contacting the pressurized stream with a catalyst bed of palladium or platinum dispersed on a solid carrier. The hydrogen reacts with the dissolved oxygen in the presence of the catalyst at ambient temperatures, to produce a deoxygenated stream of water containing less than 10 ppb of oxygen. The deoxygenated water can be returned to the storage tank or supplied directly to the steam generation system.
Abstract translation: 包含在储罐中的用于蒸汽发生系统的水通过向水流中加入氢气并将其紧密混合，将流体加压至60-150psig的压力而被脱氧用于该系统中， 并将加压流与分散在固体载体上的钯或铂催化剂床接触。 氢气在催化剂存在下与环境温度下的溶解氧反应，产生含氧量小于10ppb的脱氧水流。 脱氧水可以返回到储罐或直接供给蒸汽发生系统。
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公开(公告)号：US4727050A
公开(公告)日：1988-02-23
申请号：US667442
申请日：1984-11-01
Applicant: William H. Tamblyn , Edward Rosenberg , Donald H. Picker , Michael W. Lord
Inventor： William H. Tamblyn , Edward Rosenberg , Donald H. Picker , Michael W. Lord
CPC classification number: B01J31/04 , B01J31/06 , B01J31/4046 , B01J2231/321 , B01J2231/325 , B01J2231/4205 , B01J2231/641
Abstract: A catalyst composition comprising a PGM complex bound to a carboxylated polymer containing not more than 5 mol equivalents of carboxylate groups per gram of polymer.
Abstract translation: 一种催化剂组合物，其包含与羧基化聚合物结合的PGM复合物，每克聚合物含有不超过5摩尔当量的羧酸酯基团。
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公开(公告)号：US4628067A
公开(公告)日：1986-12-09
申请号：US571022
申请日：1984-01-16
Applicant: Paul N. Chen, Sr. , Richard O. Tucker
Inventor： Paul N. Chen, Sr. , Richard O. Tucker
IPC: C08G73/00 , B01J13/02 , B01J20/26 , B01J31/08 , B01J31/10 , C08G73/06 , C08G73/18 , C08J3/12 , C08J5/20 , C08J9/16 , C08J9/28 , B01J39/18 , C08G2/30 , C08L77/06
CPC classification number: C08J3/12 , B01D71/62 , B01J20/26 , B01J31/10 , B01J31/40 , C08J2379/04 , Y02P20/584
Abstract: Novel microporous particles of polybenzimidazole (PBI) resin, characterized by a reduced bulk density, a surface area of at least 10 m.sup.2 /g, a porosity of at least about 10%, and an average pore diameter of from about 50 to 500 Angstroms are provided by emulsification-precipitation or atomizing-non-solvent quenching techniques. The disclosed microporus PBI particles are particularly suitable for use as substrates in chromatographic processes such as ion-exchange, separations, purifications, etc., as well as catalysts or chemical reagents in polymer supported reactions. Microporous PBI particles of varying acidity/basicity and/or anionic/cationic exchange characteristics, and/or containing various functional groups for use in chemical conversions, may be obtained by treatment of the PBI resin with various organic and inorganic acids, either during particle formation or subsequent thereto.
Abstract translation: 聚苯并咪唑（PBI）树脂的新型微孔颗粒，其特征在于体积密度降低，至少10m 2 / g的表面积，至少约10％的孔隙率和约50至500埃的平均孔径 通过乳化沉淀或雾化 - 非溶剂淬火技术提供。 所公开的微孔PBI颗粒特别适合用作色谱方法如离子交换，分离，纯化等中的底物，以及在聚合物负载的反应中的催化剂或化学试剂。 可以通过在颗粒形成期间用各种有机和无机酸处理PBI树脂来获得具有不同酸度/碱度和/或阴离子/阳离子交换特性和/或含有用于化学转化的各种官能团的微孔PBI颗粒 或其后。
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公开(公告)号：US4619901A
公开(公告)日：1986-10-28
申请号：US704104
申请日：1985-02-21
Applicant: Don W. Webb , William B. Bard
Inventor： Don W. Webb , William B. Bard
CPC classification number: B01J19/0033 , C08F2/00 , C08F2400/02 , Y10T436/12 , Y10T436/216
Abstract: A desired unreacted monomer concentration is maintained in the reaction effluent removed from a polymerization reactor by manipulating the catalyst feed rate to the polymerization reactor based on a non-linear control signal derived from a comparison of actual and desired unreacted monomer concentration.
Abstract translation: 基于从实际和期望的未反应单体浓度的比较得到的非线性控制信号，通过将催化剂进料速率控制在聚合反应器中，从聚合反应器中除去反应流出液中所需的未反应单体浓度。
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