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    • 1. 发明专利
    • Method of optical resolution of (+-)-n-carbamoyl-valine
    • (+ - ) - N-羰基乙醇的光学分解方法
    • JPS6150956A
    • 1986-03-13
    • JP17042484
    • 1984-08-17
    • Nitto Chem Ind Co LtdHiroyuki Nohira
    • NOHIRA HIROYUKIKUROGAMI AKESUNA
    • C07B57/00C07B31/00C07C67/00C07C239/00C07C275/16
    • PURPOSE: To subject (±)-N-carbamoyl-valine to optical resolution in high purity in high yield, by using inexpensively obtainable 2-amino-1-butanol as an optical resolution agent.
      CONSTITUTION: (±)-N-carbamoyl-valine [(±)-N-CV-V for short] shown by the formula and optically active 2-amino-1-butanol (2-AB for short) are subjected to optical resolution in a solvent (e.g., methanol, acetone, preferably water). An amount of 2-AB of the optical resolution agent is 0.5mol, preferably 0.5W1.2mol based on 1mol (±)-N-CV-V. Optically active N-CV[L-(+)-N-CV, or D-(-)-N-CV] can be easily converted into optically active valine.
      USE: L-(+)-valine is an essential amino acid, useful as a food additive, or drug such as amino acid transfusion and D-(-)-valine is useful as an intermediate raw material for an insecticide.
      COPYRIGHT: (C)1986,JPO&Japio
    • 目的:通过使用廉价的2-氨基-1-丁醇作为光学拆分剂,使(+或 - ) - N-氨基甲酰基 - 缬氨酸以高产率高分辨率的光学拆分。 组成:由式和光学活性2-氨基-1-丁醇(简称为2-AB)示出的(+或 - ) - N-氨基甲酰基 - 缬氨酸[(+或 - ) - N-CV- 在溶剂(例如甲醇,丙酮,优选水)中进行光学拆分。 基于1mol(+或 - ) - N-CV-V,光学拆分剂的2-AB的量为0.5mol,优选为0.5-1.2mol。 光活性的N-CV [L - (+) - N-CV或D - ( - ) - N-CV]可以很容易地转化为光学活性缬氨酸。 用途:L - (+) - 缬氨酸是必需的氨基酸,可用作食品添加剂,或药物如氨基酸输入和D - ( - ) - 缬氨酸可用作杀虫剂的中间体原料。
    • 2. 发明专利
    • Production of partially hydrolyzed acrylamide polymer
    • 部分水解丙烯酰胺聚合物的生产
    • JPS59184203A
    • 1984-10-19
    • JP5905583
    • 1983-04-04
    • Dia Furotsuku KkMitsubishi Rayon Co LtdNitto Chem Ind Co Ltd
    • HANDA RIYOUJIHOSODA JIYUNYOSHIDA NORIMASA
    • C08F8/00C08F8/12C08F220/58
    • C08F8/12C08F8/44C08F120/56
    • PURPOSE: To obtain the titled ammonia-free polymer of excellent solubility, by mixing hydrated acrylamide polymer gel with an alkali, heat-treating the mixture to hydrolyze the polymer substantially completely, and drying the hydrolyzate.
      CONSTITUTION: Acrylamide is dissolved in water and polymerized in the presence of a catalyst such as a redox initiator. The produced polymer is ground. The produced small pieces of the hydrated acrylamide polymer gel are sprayed and mixed with an aqueous solution of an alkali (e.g., caustic soda), and the mixture is held at about 50W95°C for a predetermined time until the hydrolysis is effected to a degree of hydrolysis which is 1.1W3 times the value (theoretical degree of hydrolysis) represented by the formula: (the number of moles of the alkali added)/(the number of moles of the amide groups before hydrolysis)×100. The product is then dried to obtain a partially hydrolyzed acrylamide polymer.
      COPYRIGHT: (C)1984,JPO&Japio
    • 目的:为了获得具有优异溶解性的无氨聚合物,通过将水合丙烯酰胺聚合物凝胶与碱混合,对该混合物进行热处理,基本上完全水解聚合物,干燥水解产物。 构成:将丙烯酰胺溶于水中,并在催化剂如氧化还原引发剂存在下聚合。 生产的聚合物被研磨。 将所生产的水合丙烯酰胺聚合物凝胶的小块与碱(例如苛性钠)的水溶液喷雾混合,并将混合物保持在约50-95℃预定的时间,直到水解为止 达到以下式所表示的值(理论水解度)的1.1-3倍的水解度((加入的碱的摩尔数)/(水解前的酰胺基的摩尔数)X100。 然后将产物干燥以获得部分水解的丙烯酰胺聚合物。
    • 4. 发明专利
    • Method for injecting ground stabilizing silicate grout into ground
    • 将地基稳定化的方法用于接地
    • JPS58217586A
    • 1983-12-17
    • JP9996482
    • 1982-06-12
    • Nitto Chem Ind Co Ltd
    • TAZAWA SHIYUNSUKETAKEUCHI KENJI
    • C09K17/00C09K17/02C09K17/04C09K17/12C09K103/00E02D3/12
    • PURPOSE: To permit a gel time to conform to a ground condition, by adding water to ground injection grout obtained by mixing preliminarily prepared grout having a long gel time and carbonated water to form a mixture which is in turn injected into the ground.
      CONSTITUTION: CO
      2 in a storage tank 1 immersed in a warm water tank 2 and an aqueous sodium silicate solution with concn. of 20W100vol% in a storage tank 8 are mixed in a first mixer 6 to obtain grout having a gel time which is by 60min or more longer than that of ground injection grout. In the next step, this grout is supplied to the inlet of a second mixer 25 while carbonated water obtained by mixing water and CO
      2 supplied from a storage tank 15 and the storage tank 1 in a third mixer 13 is supplied to the inlet part of the mixer 25 to be mixed with the grout and the obtained grout is injected into the ground. On the other hand, water from a storage tank 21 is poured into the mixer 25 to be mixed with the grout and the resulting mixture is injected into the ground as the grout adapted to a ground condition.
      COPYRIGHT: (C)1983,JPO&Japio
    • 目的:为了使凝胶时间符合地面条件,通过将预先制备的具有长凝胶时间的灌浆和碳酸水混合而获得的研磨注浆料加入水中以形成混合物,将其混入地下。 构成:浸在温水槽2中的储罐1中的二氧化碳和浓缩的硅酸钠水溶液。 在储罐8中混合20-100vol%的混合物在第一混合器6中混合,得到凝胶时间比研磨注浆料的凝胶时间长60min或更长的灌浆。 在下一步骤中,向第二混合器25的入口提供该浆料,而将通过将从储罐15和储罐1供给的水和二氧化碳混合在第三混合器13中而得到的碳酸水供给到 将混合器25与浆料混合,并将得到的浆料注入地面。 另一方面,将来自储存罐21的水倒入混合器25中以与浆料混合,并将所得混合物作为适应于地面条件的浆料注入地面。
    • 5. 发明专利
    • Preparation of acrylamide by novel immobilized mold
    • 通过新型固定模具制备丙烯酰胺
    • JPS5739792A
    • 1982-03-05
    • JP11303980
    • 1980-08-19
    • Nitto Chem Ind Co Ltd
    • WATANABE ICHIROUSAKASHITA KEIICHIOGAWA YASUO
    • C12N11/04C12N11/08C12P13/02C12R1/15C12R1/365
    • C12N11/04C12P13/02
    • PURPOSE: To prepare the titled substance, by immobilizing a micro-organism having nitrilase activity with a cationic polymer gel of the acrylamide type, followed by making acrylnitrile act on the immobilized mold in an aqueous medium.
      CONSTITUTION: In an aqueous suspension of a micro-organism having nitrilase activity, in the presence of a water-soluble cationic polymer, e.g., polydimethylaminoethyl methacrylate, polydimethylaminopropyl methacrylamide, etc., a mixture of acrylamide, water soluble crosslinkable monomer, and, if necessary, a cationic ethylenic unsaturated monomer, e.g., dimethylaminoethyl methacryalte, copolymerizable with acrylamide is polymerized, to give an immobilized mold. Acrylonitrile is made to act on the immobilized mold in an aqueous medium substantially containing no salt, to give acrylamide.
      COPYRIGHT: (C)1982,JPO&Japio
    • 目的:为了制备标题物质,通过用丙烯酰胺型阳离子聚合物凝胶固定具有腈水解酶活性的微生物,然后在水性介质中使丙烯腈作用于固定化的模具上。 构成:在具有腈水解酶活性的微生物的水性悬浮液中,在水溶性阳离子聚合物如甲基丙烯酸聚二甲基氨基乙酯,聚二甲基氨基丙基甲基丙烯酰胺等存在下,将丙烯酰胺,水溶性可交联单体和 必要时,聚合可与丙烯酰胺共聚的阳离子烯属不饱和单体,例如甲基丙烯酸二甲基氨基乙酯,得到固定的模具。 使丙烯腈在基本不含盐的水性介质中作用于固定化的模具,得到丙烯酰胺。
    • 6. 发明专利
    • Purification of reaction liquid produced by using microbial cell, immobilized microbial cell or immobilized enzyme
    • 通过使用微生物细胞,固定化微生物细胞或固定化酶产生的反应液体的纯化
    • JPS61122227A
    • 1986-06-10
    • JP24084584
    • 1984-11-16
    • Nitto Chem Ind Co Ltd
    • ASHINA YOSHIROYAMAGUCHI YASUMASANISHIDA MASASHIDOI TOSHIAKI
    • C07B63/00B01D71/24C07B31/00C07C67/00C07C231/00C07C231/24C07C233/09C12P1/00C12P13/02
    • C12P13/02B01D61/14B01D63/02B01D65/02B01D71/26B01D2321/04B01D2321/164C12P1/00
    • PURPOSE: To purify a reaction liquid prepared by the use of the titled microbial cell or enzyme as a catalyst in an aqueous medium, stably for a long period, by combining a filtration process using a porous hollow fiber membrane made of polyethylene and having a specific bubble point with a process comprising of washing under specific condition.
      CONSTITUTION: Fine solid particles are removed from a reaction liquid obtained by using microbial cells, immobilizd microbial cells or immobilized enzymes as a catalyst in an aqueous medium, especially from an aqueous solution of acrylamide. The removal is carried out by repeating (A) the filtration of the solution with a porous hollow fiber membrane made of a polyethylene and having a bubble point of 1W20kg/cm
      2 and (B) the washing of the clogged hollow fiber membrane, especially by a combination of said hollow fiber membrane is made to ≥3kg/cm
      2 before washing to recover the filtering performance of the hollow fiber membrane completely and to purify the above reaction liquid economically. The consumption of chemicals such as alkali, etc., can be decreased, and the amount of waste water to be treated is also decreased by this process.
      COPYRIGHT: (C)1986,JPO&Japio
    • 目的:通过组合使用由聚乙烯制成的多孔中空纤维膜并具有特定的多孔中空纤维膜的过滤方法来纯化通过使用标准的微生物细胞或酶作为催化剂在水性介质中稳定地制备的反应液体 起泡点包括在特定条件下洗涤的方法。 构成:通过使用微生物细胞,固定的微生物细胞或固定化酶作为催化剂在水性介质中,特别是丙烯酰胺水溶液中获得的反应液中除去细小的固体颗粒。 通过重复(A)使用由聚乙烯制成的泡沫点为1-20kg / cm 2的多孔中空纤维膜过滤溶液进行除去,(B)中空纤维堵塞的清洗 特别是通过所述中空纤维膜的组合使膜在洗涤前达到≥3kg/ cm 2,以完全回收中空纤维膜的过滤性能,并经济地净化上述反应液。 可以减少诸如碱等的化学品的消耗,并且通过该方法也减少待处理的废水的量。
    • 7. 发明专利
    • Production of cation-modified acrylamide polymer
    • 改性改性丙烯酰胺聚合物的生产
    • JPS61120807A
    • 1986-06-07
    • JP24084784
    • 1984-11-16
    • Nitto Chem Ind Co Ltd
    • KAMETANI MASAYAARISAKA ICHIRO
    • C08F8/00C08F8/30C08F8/32C08F20/00C08F20/56
    • PURPOSE: To prevent gelation by decreasing the loss of a cationic character with time, by producing a cation-modified acrylamide polymer by reacting an acrylamide polymer with a hypochlorite in the presence of a guanidine salt.
      CONSTITUTION: A hypochlorite (e.g., sodium hypochlorite or calcium hypochlorite) and a guanidine salt are added to an aqueous solution of an acrylamide polymer and reacted with the polymer in the presence of an alkali (e.g., sodium hydroxide). The guanidine salts may be carbonates, hydrochlorides, phthalates, sulfamates, nitrates, etc., and used in an amount to provide a molar ratio to NaOCl of, preferably, at least 0.5/1. The reaction temperature is preferably about 0W40°C.
      COPYRIGHT: (C)1986,JPO&Japio
    • 目的:通过在阴离子存在下使丙烯酰胺聚合物与次氯酸盐反应制备阳离子改性丙烯酰胺聚合物,通过减少阳离子性能随时间的流失来防止凝胶化。 构成:将次氯酸盐(例如次氯酸钠或次氯酸钙)和胍盐加入到丙烯酰胺聚合物的水溶液中,并在碱(例如氢氧化钠)存在下与聚合物反应。 胍盐可以是碳酸盐,盐酸盐,邻苯二甲酸盐,氨基磺酸盐,硝酸盐等,并且以使NaOCl的摩尔比优选至少为0.5 / 1的量使用。 反应温度优选为约0-40℃。
    • 8. 发明专利
    • Production of tertiary alkylamine
    • 生产碱性烷基胺
    • JPS61103858A
    • 1986-05-22
    • JP22586084
    • 1984-10-29
    • Mitsubishi Rayon Co LtdNitto Chem Ind Co Ltd
    • IRIE TAKESHIDOI SHUNICHI
    • C07C211/03C07C51/06C07C59/08C07C67/00C07C209/00C07C209/62
    • PURPOSE: To obtain the titled substance useful as a raw material for a monomer for improving high polymer compounds, drugs, agricultural chemicals, surface active agents, etc., together with lactic acid, by hydrolyzing an N-t- alkyllactamide with an alkali aqueous solution in a specific temperature range.
      CONSTITUTION: An N-t-alkyllactamide shown by the formula I (R is 4W22C t-alkyl) is hydrolyzed with an alkali aqueous solution at 130W220°C (preferably at 150W190°C), to give the titled substance together with lactic acid. A hydroxide of an alkaline (earth) metal such as Na, K, Ca, Ba, etc. is used as the alkali, and the concentration of the aqueous solution is preferably 7W45wt%. Since the alkali is consumed with formation of lactic acid, an amount of the alkali used is preferably 1.05W1.30mol based on 1mol raw material. The pressure in the reactor rises with advance of the reaction, but the reaction is continued for 3W15hr in the pressure state.
      COPYRIGHT: (C)1986,JPO&Japio
    • 目的:通过用碱水溶液水解Nt-烷基乳酰胺,得到可用作高分子化合物,药物,农药,表面活性剂等与乳酸一起改性的单体的原料的标题物质 一个特定的温度范围。 构成:式I所示的N-烷基酰胺(R为4-22C-叔烷基)用130-220℃(优选150-190℃)的碱性水溶液水解,得到标题化合物 物质与乳酸一起。 作为碱使用Na,K,Ca,Ba等碱土金属的氢氧化物,水溶液的浓度优选为7-45重量%。 由于碱与乳酸的形成一起消耗,碱的使用量优选为1.05-1.30摩尔,相对于1摩尔原料。 反应器中的压力随着反应的进行而升高,但反应在压力状态下持续3-15小时。
    • 9. 发明专利
    • Preparation of glass fiber having alkali resistance
    • 具有碱性电阻的玻璃纤维的制备
    • JPS59217648A
    • 1984-12-07
    • JP8913583
    • 1983-05-23
    • Nippon Valqua Ind LtdNitto Chem Ind Co Ltd
    • OOZEKI TAKAOKOMAZAWA TOSHIKIYOHASHIGUCHI TAKASHITAKAHASHI TERUOISHIDA HIDEO
    • C04B14/44C03C25/10C03C25/02
    • PURPOSE: To prepare glass fiber having alkali resistance, by using a sizing agent for glass fiber containing a specific improver for alkali resistance as an essential component of the sizing agent.
      CONSTITUTION: A sizing agent containing at least one improver for alkali resistance shown by the formula. In the formula, R
      1 is H, ethyl group, or carboxymethyl group; X
      1 and X
      2 are H, alkali metal, ammonium group, or organic ammonium group; M is vinyl monomer residue; m is arbitrary integer; n is 0 or arbitrary integer. When n is 0 in the formula, the improver shown by the formula is a polymer of fumaric acid, maleic acid, citraconic acid, or its derivative. When n is not 0, it is at least a binary copolymer of a carboxy group-containing monomer or its derivative and another vinyl monomer.
      COPYRIGHT: (C)1984,JPO&Japio
    • 目的:为了制备具有耐碱性的玻璃纤维,通过使用含有耐碱性的特定改良剂的玻璃纤维的施胶剂作为上浆剂的必要成分。 构成:含有至少一种耐碱性改进剂的施胶剂,由式表示。 在该式中,R 1为H,乙基或羧甲基; X1和X2是H,碱金属,铵基或有机铵基; M是乙烯基单体残基; m是任意整数; n为0或任意整数。 当式中n为0时,由式表示的改进剂是富马酸,马来酸,柠康酸或其衍生物的聚合物。 当n不为0时,它至少是含羧基单体或其衍生物与另一种乙烯基单体的二元共聚物。
    • 10. 发明专利
    • Pickling method of metal
    • 金属的拾取方法
    • JPS5943884A
    • 1984-03-12
    • JP15267882
    • 1982-09-03
    • Nitto Chem Ind Co LtdTokai Denka Kogyo Kk
    • KAWABE YASUMASAKUSHIBE KAZUYOSHITAKAHASHI TERUOWAKABAYASHI KUNIO
    • C23G1/06
    • C23G1/061
    • PURPOSE:To prevent corrosion of a ground metal of a boiler etc. at pickling, by adding N,N-dialkylhydroxylamine compounds to inorg. or org. acid for pickling and removing scales formed and deposited to the boiler. CONSTITUTION:Upon dissolving and removing scales of iron oxides such as Fe2O3, Fe3O4 formed and deposited to a heating surface of a boiler etc. by inorg. acid such as hydrochloric or sulfuric acid and/or org. acid such as citric or tartaric acid, about 0.1-1% N,N-dialkylhydroxylamine expressed by the general formula ( I ) such as N,N-diethylhydroxylamine, or its water-soluble compound is added and incorporated to prevent corrosion of a ground metal of the boiler by these acids. Ferric ion in the pickling liq. is reduced to ferrous ion having no corrosiveness, and the ground metal of the boiler is not corroded by the pickling liquid.
    • 目的:为了防止在酸洗时对锅炉等地面金属的腐蚀,通过向Inorg加入N,N-二烷基羟胺化合物。 或组织。 用于酸洗和去除形成并沉积到锅炉的垢。 构成:通过inorg将氧化铁,如Fe 2 O 3,Fe 3 O 4等形成并沉积到锅炉的加热面上进行溶解除去。 酸如盐酸或硫酸和/或组织。 加入酸,如柠檬酸或酒石酸,约0.1-1%的N,N-二烷基羟胺,由通式(I)表示,如N,N-二乙基羟胺或其水溶性化合物,并加入其中以防止地面腐蚀 这些酸的锅炉的金属。 酸洗中的铁离子 被还原成没有腐蚀性的亚铁离子,并且锅炉的研磨金属不被酸洗液腐蚀。