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    • 4. 发明授权
    • Method of making reduced noise positive drive power transmission system
    • 制造减噪正驱动动力传动系统的方法
    • US4512834A
    • 1985-04-23
    • US464447
    • 1983-02-07
    • Robert C. Kohrn
    • Robert C. Kohrn
    • F16G1/28B29H7/22F16G5/20
    • F16G1/28
    • In a positive drive power transmission system composed of a toothed belt and two or more pulleys, operating noise resulting from the impact of the belt and the pulleys is dramatically reduced by having surface discontinuities on either the belt or on the pulleys on those surfaces where the belt and the pulleys engage in impact contact when in operation. The surface discontinuities may be formed by recessed or raised portions of the belt or pulleys, may be straight or curved, and may be substantially parallel to the tensile member or at an angle thereto. Several methods of manufacturing belts with such surface discontinuities are disclosed.
    • 在由齿形带和两个或更多个滑轮构成的正驱动动力传动系统中,由于带和皮带轮的冲击而产生的操作噪音通过在皮带或皮带上的表面不连续性而显着降低, 皮带和皮带轮在操作时接触碰撞。 表面不连续性可以由带或滑轮的凹部或凸起部分形成,可以是直的或弯曲的,并且可以基本上平行于拉伸构件或与其成一定角度。 公开了制造具有这种表面不连续性的带的几种方法。
    • 5. 发明授权
    • Alkylation of substituted sulfonylpyridines
    • 取代磺酰吡啶的烷基化
    • US4503230A
    • 1985-03-05
    • US294665
    • 1981-08-20
    • John A. MinatelliShih-Yu Ma
    • John A. MinatelliShih-Yu Ma
    • C07D213/71C07D213/89C07D213/62
    • C07D213/89C07D213/71
    • A process for making a compound of the formula ##STR1## is disclosed wherein: R is C.sub.1 -C.sub.12 alkyl, allyl or benzyl,R.sup.1 and R.sup.2 are hydrogen, halogen, C.sub.1 -C.sub.4 alkyl, or phenyl,R.sup.3 is hydrogen, halogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, CF.sub.3, NO.sub.2, phenyl or phenoxy, m is an integer from 1 to 3 andn is zero or 1,by contacting a compound of said formula where R is hydrogen with certain halohydrocarbons in the presence of solid KOH, a phase transfer catalyst, a solvent and an effective amount of water. The process of this invention permits production of the above compound, useful as a herbicide, without the need for cocatalysts or excess high concentration of NaOH and water.
    • 公开了制备式(I)化合物的方法,其中:R是C1-C12烷基,烯丙基或苄基,R1和R2是氢,卤素,C1-C4烷基或苯基,R3是氢, 卤素,C 1 -C 4烷基,C 1 -C 4烷氧基,CF 3,NO 2,苯基或苯氧基,m为1至3的整数,n为0或1,通过使R为氢的所述式的化合物与某些卤代烃接触 固体KOH,相转移催化剂,溶剂和有效量的水的存在。 本发明的方法允许生产上述可用作除草剂的化合物,而不需要助催化剂或过量高浓度的NaOH和水。
    • 8. 发明授权
    • Blowing agent composition containing zinc formate and metal salt
activator
    • 含有甲酸锌和金属盐活化剂的发泡剂组合物
    • US4462927A
    • 1984-07-31
    • US559115
    • 1983-12-07
    • Byron A. Hunter
    • Byron A. Hunter
    • C08J9/08C09K3/00
    • C08J9/08
    • A blowing agent composition is provided comprising:(a) zinc formate, and(b) a compound having the formula M.sub.m X, wherein M is sodium or potassium; X is chlorine, bromine, iodine, CO.sub.3, HCO.sub.3, SO.sub.4, SO.sub.3, S.sub.2 O.sub.3, NO.sub.2, SCN, OCN, BO.sub.2, HBO.sub.3, HPO.sub.4, PO.sub.4 or H.sub.2 PO.sub.4, and m is an integer representing the valence of X; or a compound having the formula M.sub.n.sup.1 R.sub.p, wherein M.sup.1 is alkali metal, calcium, lead or zinc, R is organic mono- or polybasic acid having 1-18 carbon atoms and from 0 to 2 nitrogen atoms, or a benzenesulfonyl or toluenesulfonyl radical; and n and p are integers representing the valences of R and M.sup.1, respectively or whole fractions thereof.
    • 提供了一种发泡剂组合物,其包含:(a)甲酸锌,和(b)具有式MmX的化合物,其中M是钠或钾; X是氯,溴,碘,CO 3,HCO 3,SO 4,SO 3,S 2 O 3,NO 2,SCN,OCN,BO 2,HBO 3,HPO 4,PO 4或H 2 PO 4,m是表示X的化合价的整数; 或具有式Mn1Rp的化合物,其中M1是碱金属,钙,铅或锌,R是具有1-18个碳原子和0-2个氮原子的有机单酸或多元酸,或苯磺酰基或甲苯磺酰基; n和p分别代表R和M1的化合价或其全部馏分的整数。