利索-全球专利检索

  1. 登录
  2. 注册

搜索结果

4 条记录 (耗时 0.012 秒)

    Photochromic compounds
    1.
    发明授权
    Photochromic compounds 失效
    光致变色化合物

    公开(公告)号：US5520853A

    公开(公告)日：1996-05-28

    申请号：US284231

    申请日：1994-08-02

    申请人： Martin Rickwood ,  Sean D. Marsden ,  John D. Hepworth ,  Christopher D. Gabbutt

    发明人： Martin Rickwood ,  Sean D. Marsden ,  John D. Hepworth ,  Christopher D. Gabbutt

    IPC分类号： C07D311/92 ,  G03C1/73 ,  G02B5/23

    CPC分类号： G03C1/73 ,  C07D311/92

    摘要： A naphthopyran compound of general formula (I) ##STR1## wherein R.sub.1 represents an alkyl group or an aryl group; each of R.sub.4 and R.sub.5, which may be the same or different, independently represents an alkyl, alkenyl, carbocyclic or heterocyclic group, or R.sub.4 and R.sub.5 taken together with the carbon atom to which they are attached form a carbocyclic ring or a heterocyclic ring; andR.sub.6 represents a hydrogen atom or a substituent selected from alkyl, alkoxy, aryl, aryloxy, heteroaryl, halogen, amino, substituted amino, azo, imino, amide, carboxylate, ester, cyano, trifluromethyl or nitro, and in addition R.sub.6 may represent a carbocyciic or heterocyclic ring fused to ring A.The naphthopyran compounds of the invention are useful as photochromic materials in lenses, e.g. sunglasses, and photochromic transparencies for cars and aircraft.

    摘要翻译： 通式（I）的萘并吡喃化合物其中R 1表示烷基或芳基; R 4和R 5各自可以相同或不同，独立地表示烷基，烯基，碳环或杂环基团，或者R 4和R 5与它们所连接的碳原子一起形成碳环或杂环; 并且R 6表示氢原子或选自烷基，烷氧基，芳基，芳氧基，杂芳基，卤素，氨基，取代的氨基，偶氮，亚氨基，酰胺，羧酸酯，酯，氰基，三氟甲基或硝基中的取代基的取代基， 与环A稠合的碳菁或杂环。本发明的萘并吡喃化合物可用作透镜中的光致变色材料，例如 太阳镜和汽车和飞机的光致变色透明胶片。

    Photochromic naphthopyran compounds
    2.
    发明授权
    Photochromic naphthopyran compounds 失效
    光致变色萘并吡喃化合物

    公开(公告)号：US5623005A

    公开(公告)日：1997-04-22

    申请号：US530162

    申请日：1995-11-02

    申请人： Martin Rickwood ,  Katharine E. Smith ,  Christopher D. Gabbutt ,  John D. Hepworth

    发明人： Martin Rickwood ,  Katharine E. Smith ,  Christopher D. Gabbutt ,  John D. Hepworth

    IPC分类号： C07C215/86 ,  C07D295/08 ,  C07D295/096 ,  C07D311/92 ,  C07D311/96 ,  C07D491/10 ,  C07D491/107 ,  G03C1/73 ,  C07D405/02 ,  C07D413/02 ,  G02B5/23

    CPC分类号： C07D295/096 ,  C07D311/92 ,  C07D491/10 ,  G03C1/73 ,  Y10S428/913

    摘要： A naphthopyran compound of general formula (I) ##STR1## wherein R.sub.1 represents a group of the formula --NR.sub.2 R.sub.3 wherein each of R.sub.2 and R.sub.3, which may be the same or different, independently represents an alkyl group, or a carbocyclic or heterocyclic group, or R.sub.2 and R.sub.3 taken together with the nitrogen atom to which they are attached represent a heterocyclic ring having one or more hetero atoms and which may optionally carry at least one substituent selected from alkyl, aryl, or heteroaryl groups; each of R.sub.4 and R.sub.5, which may be the same or different, independently represents an alkyl, alkenyl, carbocyclic or heterocyclic group, or R.sub.4 and R.sub.5 taken together with the carbon atom to which they are attached form a carboxylcyclic ring or a heterocyclic ring; and R.sub.6 represents a hydrogen atom or a substituent selected from alkyl, alkoxy, aryl, aryloxy, heteroaryl, halogen, a group of formula R.sub.1 as defined above, azo, imino, amide, carboxylate, ester, cyano, trifluoromethyl or nitro, and in addition R.sub.6 may represent a carbocyclic or heterocyclic ring fused to ring A. The naphthopyran compounds of the invention are useful as photochromic materials in lenses, e.g. sunglasses, and photochromic transparencies for cars and aircraft. The invention also provides, as new intermediate compounds, amine-substituted chloro-naphthols and amine-substituted naphthols.

    摘要翻译： PCT No.PCT / GB94 / 00628 Sec。 371日期：1995年11月2日 102（e）1995年11月2日日期PCT 1994年3月25日PCT公布。 公开号WO94 / 22850 PCT 日期：1994年10月13日通式（I）萘并吡喃化合物其中R 1表示式-NR 2 R 3的基团，其中R 2和R 3可以相同或不同，各自独立地表示烷基 ，或碳环或杂环基团，或与它们所连接的氮原子一起的R2和R3表示具有一个或多个杂原子的杂环，并且其可任选地携带至少一个选自烷基，芳基或杂芳基的取代基 团体 R 4和R 5可以相同或不同，各自独立地表示烷基，烯基，碳环或杂环基团，或者R 4和R 5与它们所连接的碳原子一起形成羧基环或杂环; 并且R 6表示氢原子或选自烷基，烷氧基，芳基，芳氧基，杂芳基，卤素，如上定义的式R 1的基团的取代基，偶氮，亚氨基，酰胺，羧酸酯，酯，氰基，三氟甲基或硝基， 另外，R6可以表示与环A稠合的碳环或杂环。本发明的萘并吡喃化合物可用作透镜中的光致变色材料，例如 太阳镜和汽车和飞机的光致变色透明胶片。 本发明还提供了作为新的中间体化合物，胺取代的氯萘酚和胺取代的萘酚。

    Photochromic articles
    4.
    发明授权
    Photochromic articles 失效
    光致变色品

    公开(公告)号：US4913544A

    公开(公告)日：1990-04-03

    申请号：US44715

    申请日：1987-05-01

    申请人： Martin Rickwood ,  John D. Hepworth

    发明人： Martin Rickwood ,  John D. Hepworth

    IPC分类号： C09K9/02 ,  B60J1/00 ,  B60J3/04 ,  C07D498/10 ,  C07D498/20 ,  C09B9/02 ,  G02C7/10 ,  G03C1/685 ,  G03C1/73

    CPC分类号： C07D498/10 ,  C07D498/20 ,  G03C1/685

    摘要： A plastic organic photochromic article, typically a lens such as an ophthalmic lens or a window such as a vehicle roof light, comprisig a plastics host material having a photochromic compound incorporated therein or applied thereto, the article exhibiting the following properties, measured at Air Mass 2 at 25.degree. C.:(a) an integrated visible transmission in the faded state (B.IVT) ranging from 90 to 25%,(b) an integrated visible transmission in the darkened state (D.IVT) ranging from 1 to 50%, preferably 4 to 30%,(c) the rate of darkening of the article when it is exposed to actinic radiation is such that 88% of the darkening range is achieved in 30 seconds or less, i.e. T.sub.88 .ltoreq.30 secs,(d) the rate of fading of the article from its fully darkened condition is such that more than 60% of the optical density range is recovered in 60 seconds, i.e. % ODG-1.gtoreq.60%, and(e) the induced optical density of the article, i.e. the change in the optical density of the article, in moving from the faded state (B.IVT) to the darkened state (D.IVT), is greater than 0.45.Typically, the photochromic compound is a spiro-oxazine compound of general formula (II), ##STR1##

    摘要翻译： 塑料有机光致变色制品（通常为透镜，例如眼镜片或诸如车顶灯的窗户），其中包含掺入其中或施加于其上的具有光致变色化合物的塑料主体材料，该物品具有以下特性，在空气质量 2在25℃：（a）褪色状态（B.IVT）中的集成可见透射率为90至25％，（b）在黑暗状态（D.IVT）中的集成可见透射率为1至 50％，优选为4至30％，（c）当暴露于光化辐射时制品变暗的速率使得在30秒或更短时间内达到88％的变暗范围，即T88 <30秒 ，（d）物品从其完全变暗的状态的褪色速率使得在60秒内超过60％的光密度范围恢复，即％ODG-1> / = 60％，和（e） 导致制品的光密度，即物品的光密度的变化 褪色状态（B.IVT）达到黑暗状态（D.IVT），大于0.45。 通常，光致变色化合物是通式（II）的螺恶嗪化合物，（II）