C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
167/314, 260/316
C07C 337/08 (2006.01) C07C 281/14 (2006.01) C07D 207/337 (2006.01) C07D 307/54 (2006.01) C07D 333/22 (2006.01) C08F 12/26 (2006.01)
Patent
CA 2031497
A styrene derivative represented by the general formula (I): (See Formula I) wherein one of R1 and R2 is vinylbenzyl group, another is hydrogen atom, a lower alkyl group, a carboxyalkyl group having 2 to 5 carbon atoms or phenyl group, R3 is hydrogen atom, a halogen atom, a lower alkyl group, carboxyl group, a carboxyalkyl group having 2 to 5 carbon atoms, a carboxyalkenyl group having 3 to 6 carbon atoms, an alkylamino group having 1 to 4 carbon atoms or nitro group, Q is sulfur atom or oxygen atom, X is (See Formula II, III, IV or V) and a method for preparing the same; a polystyrene derivative of which main component is the above styrene derivative and a method for preparing the same; and a sunscreening agent and a cosmetic composition of which active ingredient is the above polystyrene derivative are disclosed.
Fujii Setsuro
Horinaka Akio
Kajifusa Noriyuki
Nakayama Tohru
Yamaguchi Hideo
Earth Chemical Co. Ltd.
Fujii Setsuro
Horinaka Akio
Kajifusa Noriyuki
Kaoruka Takada (heirs Of The Estate Of Setsuro Fujii (deceased) Keiko Fujii Shinichiro Fujii
LandOfFree
Styrene derivative and method for preparing the same,... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Styrene derivative and method for preparing the same,..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Styrene derivative and method for preparing the same,... will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-O-1951928