Photographic material with pyrazolone coupler and oil former
    1.
    发明授权
    Photographic material with pyrazolone coupler and oil former 失效
    摄影材料与吡唑啉酮偶联剂和成油剂

    公开(公告)号:US4810625A

    公开(公告)日:1989-03-07

    申请号:US38658

    申请日:1987-04-15

    IPC分类号: G03C7/388 G03C7/38

    CPC分类号: G03C7/3885

    摘要: Color photographic recording material which contain pyrazolone magenta couplers, in particular 3-acylaminopyrazolone magenta couplers, have increased stability to formaldehyde if a compound corresponding to formula (I) is used as oil former for the magenta couplers:A[-(R.sup.1).sub.1 -L-(R.sup.2).sub.m -B].sub.n (I)In the above formula,A, B each denote a hydrocarbon group optionally substituted by COOH, OH or NH.sub.2, at least one of the groups A and B being a bicyclic or tricyclic hydrocarbon group with at least 7 carbon atoms optionally substituted by COOH, OH or NH.sub.2,R.sup.1 and R.sup.2 denote an alkylene group with 1 to 6 carbon atoms,L denotes CO--O, O--CO, CO--NH or NH--CO,l and m have the value 0 or 1 andn has the value 1 or 2.

    摘要翻译: 含有吡唑啉酮品红色成色剂,特别是3-酰基氨基吡唑酮品红色成色剂的彩色照相记录材料,如果对应于式(I)的化合物用作品红成色剂的成油剂,则甲醛的稳定性增加:A [ - (R 1) L-(R 2)m B] n(I)在上式中,A,B各自表示任选被COOH,OH或NH 2取代的烃基,A和B中的至少一个是双环或三环烃基, 任选被COOH,OH或NH 2取代的至少7个碳原子,R 1和R 2表示具有1至6个碳原子的亚烷基,L表示CO-O,O-CO,CO-NH或NH-CO,l和m具有 值0或1,n的值为1或2。

    Production of flexible polyurethane foams
    4.
    发明授权
    Production of flexible polyurethane foams 失效
    生产柔性聚氨酯泡沫

    公开(公告)号:US06770684B2

    公开(公告)日:2004-08-03

    申请号:US10095734

    申请日:2002-03-12

    IPC分类号: C08G1828

    摘要: The present invention relates to a process for the production of flexible polyurethane foams by reaction of a) at least one compound having at least two isocyanate-reactive hydrogen atoms, with b) polyisocyanates, wherein the compund used as said compound having at least two isocyanate-reactive hydrogen atoms a) comprises at least one block polyoxypropylene/polyoxyethylene/polyol having a hydroxyl value of from 25 to 45 mg KOH/g and a content of terminally bound ethylene oxide units of from 15 to 17 wt %, based on the total amount of the alkylene oxide, obtained by attachment of ethylene oxide and propylene oxide to an initiator having an average functionality of 3.

    摘要翻译: 本发明涉及通过以下方法生产柔性聚氨酯泡沫的方法:a)至少一种具有至少两个异氰酸酯反应性氢原子的化合物与b)多异氰酸酯反应,其中所述化合物用作具有至少两个异氰酸酯反应性 氢原子a)包含至少一种羟基值为25至45mg KOH / g的嵌段聚氧丙烯/聚氧乙烯/多元醇,并且末端结合的环氧乙烷单元的含量为15至17重量%,基于 通过将环氧乙烷和环氧丙烷连接到平均官能度为3的引发剂获得的环氧烷烃。

    Process for the production of a silver halide emulsion
    5.
    发明授权
    Process for the production of a silver halide emulsion 失效
    制备卤化银乳剂的方法

    公开(公告)号:US5472838A

    公开(公告)日:1995-12-05

    申请号:US272669

    申请日:1994-07-11

    IPC分类号: G03C7/392 G03C7/396 G03C1/005

    CPC分类号: G03C7/396 G03C7/39236

    摘要: Silver halide emulsions with tabular grains showing increased aspect ratio are produced by adding to the precipitiation vessel a compound of the formula I: ##STR1## in which R.sub.1 means H or optionally substituted alkyl, aralkyl or cycloalkylR.sub.2 means H or optionally substituted alkyl, aryl or aralkyl or a polymer chainR.sub.3 means H, OH, alkyl, aryl, aralkyl, halogen, NHR.sub.4, O--CO--R.sub.4, O--CO--NHR.sub.4 or an optionally substituted oxazoline ringR.sub.4 means optionally substituted or alkyl, aralkyl or arylm means 2 or 3,n means 2 to 10,000,or a compound of the formula II ##STR2## in which R.sub.1, R.sub.3, n and m have the meaning stated above and may be identical or different andR.sub.5 means optionally substituted alkene, arylene, aralkene or a polyaddition, polycondensation or polymerisation chain.

    摘要翻译: 通过向沉淀容器中加入式I化合物(其中R 1表示H或任选取代的烷基,芳烷基或环烷基R 2表示H或任选取代的),产生具有增加的纵横比的片状颗粒的卤化银乳剂 烷基,芳基或芳烷基或聚合物链R3表示H,OH,烷基,芳基,芳烷基,卤素,NHR4,O-CO-R4,O-CO-NHR4或任选取代的恶唑啉环R4表示任选取代的或烷基, 或芳基m表示2或3,n表示2至10,000,或式II(II)化合物,其中R 1,R 3,n和m具有上述含义并且可以相同或不同,R 5表示 任选取代的烯烃,亚芳基,芳烯或加聚,缩聚或聚合链。

    New herbicidal fluorobenzothiazolyloxyacetamides
    7.
    发明授权
    New herbicidal fluorobenzothiazolyloxyacetamides 失效
    新除草氟代苯并噻唑氧基乙酰胺

    公开(公告)号:US5356864A

    公开(公告)日:1994-10-18

    申请号:US119462

    申请日:1993-09-09

    摘要: Novel herbicidal fluorobenzothiazolyloxyacetamides of the formula ##STR1## in which R.sup.1 represents hydrogen or an optionally substituted radical from the group consisting of alkyl, alkenyl, alkinyl and aralkyl,R.sup.2 represents an optionally substituted radical from the group consisting of alkyl, alkenyl, alkinyl, cycloalkyl, cycloalkenyl, aralkyl, aryl, alkoxy, alkenyloxy or alkinyloxy, orR.sup.1 and R.sup.2, together with the nitrogen atom to which they are bonded, form an optionally substituted, saturated or unsaturated nitrogen heterocycle which can contain further heteroatoms and to which a benzo group can be fused.

    摘要翻译: 式(I)的新型除草氟代苯并噻唑氧基乙酰胺,其中R 1表示氢或任选取代的由烷基,烯基,炔基和芳烷基组成的组中的基团,R 2表示任选取代的由烷基,烯基, 炔基,环烷基,环烯基,芳烷基,芳基,烷氧基,烯氧基或烷氧基,或R 1和R 2与它们所键合的氮原子一起形成任选取代的饱和或不饱和的氮杂环,其可含有其它杂原子, 苯并基团可以融合。