Propanedione derivative and use as polymerized ultraviolet absorber

Application Number: 00118656Application Date: 2000.06.19Publication Number: 1330063Publication Date: 2002.01.09Priority Information: International: C07C49/782;C07C49/82;C07C225/16;C07D213/50;C07D279/18;C08F16/36;C08F24/00Applicant(s) Name: Santen Pharmaceutical Co., Ltd.Address: Inventor(s) Name: Ri FukukinPatent Agency Code: 11038Patent Agent: gui yongliangAbstract The present invention discloses a novel propanedione derivative and its application as ultraviolet absorbent.

Equipment and method for treating compounds easy to be polymerized

Application Number: 00126936Application Date: 2000.09.08Publication Number: 1287994Publication Date: 2001.03.21Priority Information: 1999/9/10 JP 257073/1999International: C07C51/44;C07C57/07;B01D3/00Applicant(s) Name: Nippon Shokubai Co., Ltd.Address: Inventor(s) Name: Nishimura Takeshi;Matsumoto YukihiroPatent Agency Code: 11038Patent Agent: liu jinhuiAbstract The present invention provides an apparatus for handling an easily polymerizable compound such as (meth)acrylic acid which comprises a tubular member that is furnished to Read more

Process for inhibiting polymerization of easy polymerized compounds

Application Number: 00105663Application Date: 2000.04.14Publication Number: 1270950Publication Date: 2000.10.25Priority Information: 1999/4/16 JP 110043/1999International: C07C57/07;C07C67/54;C07C69/54Applicant(s) Name: Nippon Shokubai Co., Ltd.Address: Inventor(s) Name: Matsumoto Yukihiro;Nishimura TakeshiPatent Agency Code: 11021Patent Agent: yan fangAbstract In distillation of easily polymerizable compounds such as (meth)acrylic acid and (meth)acrylic esters using a distillation unit, a liquid having substantially the same composition with Read more

Acylation polymerized polyamines compounds

Application Number: 00101005Application Date: 2000.01.07Publication Number: 1260357Publication Date: 2000.07.19Priority Information: 1999/1/8 DE 19900458.7International: C08G73/02Applicant(s) Name: BASF AG.Address: Inventor(s) Name: M. Zirnstan;G. Ert;K. TifinserPatent Agency Code: 72001Patent Agent: jiang jianchengAbstract The present invention relates to acylated polymeric polyamines, to processes for their preparation, to their use, and to aqueous compositions which comprise these polyamines.