PROBLEM TO BE SOLVED: To provide an oily gel composition which is stable even at high temperatures.SOLUTION: The oily composition includes (A) a sphingosine represented by formula (1) (wherein R1 is a 4-30C hydrocarbon group Y is a methylene group, a methine group or oxygen X1, X2 and X3 are each hydrogen, a hydroxy group or an acetoxy group X4 is hydrogen, an acetyl group or a glyceryl group or forms an oxo group together with the adjacent oxygen R2 and R3 are each hydrogen, a hydroxy group, a hydroxymethyl group or an acetoxymethyl group (a) pieces of R are hydrogen, an amidino group or a hydrocarbon group having a total carbon atom of 1-8 (a) is a number of 2 or 3 and the broken line may be an unsaturated bond), (B) an anionic polymer having a carboxy group, and (C) an oil which is liquid at 25°C and is selected from a hydrocarbon oil, an ester oil, and an ether oil and has viscosity at 20°C of not lower than 1,000 mPa s.COPYRIGHT: (C)2011,JPO&INPIT【課題】高温でも安定な油性ゲル組成物を提供する。【解決手段】次の成分(A)、(B)及び(C):(A)一般式(1)で表わされるスフィンゴシン類【化1】(R1は炭素数4~30の炭化水素基;Yはメチレン基、メチン基又は酸素原子;X1、X2、及びX3は水素原子、ヒドロキシル基又はアセトキシ基;X4は水素原子、アセチル基又はグリセリル基を示すか、隣接する酸素原子と一緒になってオキソ基を形成し;R2及びR3は水素原子、ヒドロキシル基、ヒドロキシメチル基又はアセトキシメチル基;a個のRは水素原子又はアミジノ基であるか、総炭素数1~8の炭化水素基;aは2又は3の数;破線部は不飽和結合であってもよいことを示す)、(B)カルボキシル基を有するアニオンポリマー、(C)炭化水素油、エステル油及びエーテル油から選ばれる25℃で液体の油を含有し、20℃における粘度が1000mPa・s以上である油性組成物。【選択図】なし
