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    • 13. 发明授权
    • Thermoplastic polyester resin, production of same, and orthopedic cast
material produced therefrom
    • 热塑性聚酯树脂,其生产方法以及由此生产的矫形铸造材料
    • US4404333A
    • 1983-09-13
    • US438954
    • 1982-11-03
    • Shoji WatanabeMichio Nakanishi
    • Shoji WatanabeMichio Nakanishi
    • A61L15/12C08G63/60C08G63/66C08F283/00C08G63/76
    • C08G63/66A61L15/12C08G63/60Y10T428/31786
    • New thermoplastic polyester resins having a low melting point which are useful as a molding material, especially as an orthopedic cast material; said resin having the formula (I):[A].sub.1 [B].sub.m [C].sub.n (I)where A denotes a residue of a straight or branched aliphatic dicarboxylic acid having 4 to 12 or 36 carbon atoms; B denotes a residue of a straight or branched aliphatic diol having 2 to 18 carbon atoms; C denotes a residue of 6-hydroxycaproic acid; these residues are linked through the ester bond and distributed randomly and/or in block in the molecule; 1, m, and n each has a value greater than 0; the residue of the 6-hydroxycaproic acid is 60 to 98 wt % and the sum of the residues of the aliphatic dicarboxylic acid and aliphatic diol is 40 to 2 wt %; the residue of the aliphatic dicarboxylic acid and the residue of the aliphatic diol are present in equimolar amount; and having a number-average molecular weight of 5,000 to 200,000.
    • 具有低熔点的新型热塑性聚酯树脂,其可用作模制材料,特别是作为矫形铸造材料; 所述具有式(I)的树脂:[A] 1 [B] m [C] n(I)其中A表示具有4至12或36个碳原子的直链或支链脂族二羧酸的残基; B表示具有2至18个碳原子的直链或支链脂族二醇的残基; C表示6-羟基己酸的残基; 这些残基通过酯键连接并在分子中随机和/或嵌段分布; 1,m和n各自具有大于0的值; 6-羟基己酸的残基为60〜98重量%,脂肪族二羧酸和脂肪族二醇的残基之和为40〜2重量%。 脂族二羧酸的残基和脂肪族二醇的残基以等摩尔量存在; 数均分子量为5000〜200000。
    • 16. 发明授权
    • Substituted alkanoic acids and derivatives
    • 取代的链烷酸及其衍生物
    • US3931205A
    • 1976-01-06
    • US380415
    • 1973-07-18
    • Michio NakanishiTakanori OeMineo Tsuruda
    • Michio NakanishiTakanori OeMineo Tsuruda
    • C07D491/04C07D491/052C07D471/00
    • C07D491/04Y10S514/916
    • Substituted alkanoic acids and derivatives thereof of the formula: ##SPC1##Wherein each of X.sup.1 and X.sup.2 is a hydrogen atom, a halogen atom, an alkyl group having 1 to 4 carbon atoms or an alkoxy group having 1 to 4 carbon atoms; each of R.sup.1 and R.sup.2 is a hydrogen atom or an alkyl group having 1 to 4 carbon atoms; A is a carbonyl group, a methylene group or an alkylidene group having 2 to 4 carbon atoms; Y is --O--, --S-- or --N(R)-- [wherein R is a hydrogen atom or an alkyl group having 1 to 4 carbon atoms]; Z is OH or Q--B--N(R.sup.3)(R.sup.4) [wherein Q is O (oxygen atom) or NH, B is an alkylene group having 1 to 4 carbon atoms and each of R.sup.3 and R.sup.4 is a hydrogen atom or an alkyl group having 1 to 4 carbon atoms, or R.sup.3 and R.sup.4 together with the adjacent nitrogen atom form a saturated heterocycle selected from the group consisting of pyrrolidine, piperidine, morpholine, piperazine and piperazine substituted by an alkyl group having 1 to 4 carbon atoms at the 4-position]; and ring P represents a pyridine or a pyridine N-oxide ring; and pharmaceutically acceptable salts thereof are useful as antirheumatics, analgesics, antipyretics and anti-inflammatory agents.
    • 下式的取代的链烷酸及其衍生物: