公开(公告)号：US07173128B2

公开(公告)日：2007-02-06

申请号：US10486134

申请日：2002-08-05

申请人： Ramanathan Ravichandran ,  Stephen Daniel Pastor ,  Deborah Judd ,  Joseph Edmund Babiarz ,  Andrew Brian Naughton ,  Mervin Gale Wood ,  Anthony David Debellis ,  Rong Xiong ,  Robert Edward Detlefsen ,  Joseph Suhadolnik

发明人： Ramanathan Ravichandran ,  Stephen Daniel Pastor ,  Deborah Judd ,  Joseph Edmund Babiarz ,  Andrew Brian Naughton ,  Mervin Gale Wood ,  Anthony David Debellis ,  Rong Xiong ,  Robert Edward Detlefsen ,  Joseph Suhadolnik

IPC分类号： C07D413/02 ,  C07D265/22 ,  A61K31/536

CPC分类号： C07D239/91 ,  C07D239/74 ,  C07D239/86 ,  C07D249/20 ,  C07D265/22 ,  C07D405/04

摘要： The present invention relates to novel ultraviolet light absorbers of the benzoxazinone, oxanilide, benzylidene malonate, quinazoline and benzotriazole classes. The invention also relates to polymer and photographic compositions stabilized against the deleterious effects of light induced degradation which comprise the novel ultraviolet light absorbers.

摘要翻译： 本发明涉及苯并恶嗪酮，草酰苯胺，丙二酸亚苄酯，喹唑啉和苯并三唑类的新型紫外光吸收剂。 本发明还涉及针对包含新型紫外光吸收剂的光诱导降解的有害影响而稳定的聚合物和照相组合物。

公开(公告)号：US07244776B2

公开(公告)日：2007-07-17

申请号：US11640808

申请日：2006-12-18

申请人： Ramanathan Ravichandran ,  Stephen Daniel Pastor ,  Deborah Judd ,  Joseph Edmund Babiarz ,  Andrew Brian Naughton ,  Mervin Gale Wood ,  Anthony David Debellis ,  Rong Xiong ,  Robert Edward Detlefsen ,  Joseph Suhadolnik

发明人： Ramanathan Ravichandran ,  Stephen Daniel Pastor ,  Deborah Judd ,  Joseph Edmund Babiarz ,  Andrew Brian Naughton ,  Mervin Gale Wood ,  Anthony David Debellis ,  Rong Xiong ,  Robert Edward Detlefsen ,  Joseph Suhadolnik

IPC分类号： C08K5/00

CPC分类号： C07D239/91 ,  C07D239/74 ,  C07D239/86 ,  C07D249/20 ,  C07D265/22 ,  C07D405/04

摘要： The present invention relates to novel ultraviolet light absorbers of the benzoxazinone, oxanilide, benzylidene malonate, quinazoline and benzotriazole classes. The invention also relates to polymer and photographic compositions stabilized against the deleterious effects of light induced degradation which comprise the novel ultraviolet light absorbers.

公开(公告)号：US5977219A

公开(公告)日：1999-11-02

申请号：US961127

申请日：1997-10-30

申请人： Ramanathan Ravichandran ,  Anthony David Debellis ,  Revathi Iyengar ,  Joseph Suhadolnik ,  Jean-Pierre Wolf ,  Robert Edward Detlefsen ,  Mervin Gale Wood

发明人： Ramanathan Ravichandran ,  Anthony David Debellis ,  Revathi Iyengar ,  Joseph Suhadolnik ,  Jean-Pierre Wolf ,  Robert Edward Detlefsen ,  Mervin Gale Wood

IPC分类号： C08K5/3475 ,  C08K5/34 ,  C08K5/09 ,  C08K5/36

CPC分类号： C08K5/3475 ,  B41M5/124 ,  B41M5/3375

摘要： Benzotriazole UV absorbers which are substituted at the 5-position of the benzo ring by an electron withdrawing group exhibit enhanced durability and very low loss rates when incorporated into automotive coatings.

摘要翻译： 通过吸电子基团在苯环的5位被取代的苯并三唑UV吸收剂在掺入汽车涂料中时表现出增强的耐久性和非常低的损失率。