Abstract: A device for olfactory judgement of an odorous substance, particularly a perfume, substantially comprising a flat test object in a casing, preheated or heated electrically by a temperature control and measuring circuit to a given temperature and with prolonged heat storage means, on which an easily attachable and removable material is disposed and is covered with the odorous substance for judgement, the device also comprising a fan, wherein in the casing (2) the odorous substance can be applied to a sample strip (14) connected via a sample holder (12) to a heatable metal base carrier (7) movable in one direction (P), and the base carrier (7) is disposed at one end of an air flow duct (6) formed by a pipe (5), particularly a square pipe (5) open at both ends, a fan (18) being disposed at the other end and adapted, by means of an associated motor (17), to convey air from the end near the fan, via the sample strip (14) to the other end of the air flow duct (6), so that a starting air flow (34a), a received air f

Abstract: The invention relates to cosmetic light screening compositions containinga) a compound of formula I ##STR1## wherein R.sup.1 is a C.sub.1-8 straight or branched alkyl chain, andR.sup.2 and R.sup.3 are each independently a C.sub.1-8 straight or branched alkyl chain;b) common UV-B and/or common UV-A screening agents; andc) a cosmetically acceptable carrier.

Abstract: The invention relates to a cosmetic light screening composition containing, in an aqueous phase, about 0.5% to about 10 wt % of 2-phenylbenzimidazol-sulphonic acid or a salt thereof and at least one fatty phase, including about 1% to about 30 wt % of a linear or cyclic polysiloxane compound of the general formula Ia or Ib: ##STR1## wherein x is R or A;A is a group selected from the formula IIa, IIb or IIc; ##STR2## R is hydrogen, C.sub.1-6 alkyl or phenyl; R.sup.1 and R.sup.2 are each independently hydrogen, hydroxy, C.sub.1-6 -alkyl or C.sub.1-6 -alkoxy;R.sup.3 is C.sub.1-6 -alkyl;R.sup.4 is hydrogen or C.sub.1-6 -alkyl;R.sup.5 and R.sup.6 are each independently hydrogen or C.sub.1-6 -alkyl;r is from 0 to 250;s is from 0 to 20;r+s is at least 3;t is from 0 to 10;v is from 0 to 10;v+t is at least 3;n is from 1 to 6; andwhen s is 0, at least one X is A. Methods of using such compositions are also provided.

Abstract: Novel organosiloxane compounds have at least one unit ##STR1## any other units being present in this organosiloxane are ##STR2## wherein R is a C.sub.1-8 alkyl or aryl, R.sup.1 is H or a C.sub.1-5 alkyl, R.sup.2 is H, C.sub.1-5 alkyl or OR.sup.1, R.sup.3 is a C.sub.1-5 alkyl, R" is H, a monovalent C.sub.1-8 hydrocarbon or halogenated hydrocarbon group, a is 0, 1 or 2, b 0, 1, 2 or 3 and n 1 to 6, provided the--C(R.sup.1).dbd.CH--(CR.sub.2.sup.1).sub.n --O--group and the two R.sup.2 groups are linked to the aromatic ring at the para- and meta-positions in relation to the group --CH.dbd.C[C(O)OR.sup.3 ].sub.2.The compounds are useful as UV sunscreens. Compositions containing them are also included.

Abstract: Novel organosiloxane compounds have at least one unit ##EQU1## any other units being present in this organosiloxane are ##EQU2## wherein R is a C.sub.1-8 alkyl or aryl, R.sup.1 is H or a C.sub.1-5 alkyl, R.sup.2 is H, C.sub.1-5 alkyl or OR.sup.1, R.sup.3 is a C.sub.1-5 alkyl, R" is H, a monovalent C.sub.1-8 hydrocarbon or halogenated hydrocarbon group, a is 0, 1 or 2, b 0, 1, 2 or 3 and n 1 to 6, provided the--C(R.sup.1).dbd.CH--(CR.sup.1.sub.2).sub.n --O--group and the two R.sup.2 groups are linked to the aromatic ting at the para- and meta-positions in relation to the group --CH.dbd.C[C(O)OR.sup.3 ].sub.2.The compounds are useful as UV sunscreens. Compositions containing them are also included.

Abstract: A process for treating 2-ethylhexyl p-methoxycinnamic acid ester is described. The process comprises heating, preferably distilling, the ester in the presence of a phenol to insure that the ester is considered Ames negative.