Abstract: The invention relates to silicic acid ester mixtures containing silicic acid esters of formulae (I) and (II), all ‘R’s being selected, independently of each other, from the following group: H, the straight-chained or branched, saturated or unsaturated, substituted or unsubstituted C1–6-hydrocarbon radicals and fragrance alcohol radicals and biocide alcohol radicals, m taking on values of 1 to 20 and n taking on values from 2 to 100.

Abstract: The invention relates to silicic acid ester mixtures containing silicic acid esters of formulae (I) and (II), all ‘R's being selected, independently of each other, from the following group: H, the straight-chained or branched, saturated or unsaturated, substituted or unsubstituted C1-6-hydrocarbon radicals and fragrance alcohol radicals and biocide alcohol radicals, m taking on values of 1 to 20 and n taking on values from 2 to 100. These esters of oligosilicic acid with fragrance alcohols or biocide alcohols are characterised by a good hydrolysis stability and can also be used in aqueous media or in processes for producing granulates without undergoing excessive losses of activity.

Abstract: A method of cleaning hard surfaces by contact with an aqueous, liquid, multiphase, surfactant-containing cleaning composition having at least two continuous phases, one lower aqueous phase I and an upper aqueous phase II immiscible with the lower phase I, which can be temporarily converted into an emulsion by shaking and which cleaning composition contains no more than 50% by weight of nonionic surfactants, based on the total quantity of surfactants present.

Abstract: Carbonyl compounds corresponding to formulae (1a) and (1b) ##STR1##

Abstract: The invention relates to a process for producing 8.alpha.,12-oxido-13,14,15,16-tetranorlabdane through the cyclizing dehydration of 8.alpha.,12 -dihydroxy-13,14,15,16-tetranorlabdane in the presence of aluminophyllosilicates.

Abstract: In a process for the production of 8.alpha.,12-oxido-13,14,15,16-tetranorlabdane by dehydration of 8.alpha.,12-dihydroxy-13,14,15,16-tetranorlabdane (diol), wherein the diol is subjected to cyclizing dehydration in the presence of 5 to 80% by weight, based on the diol, of at least one alumino layer silicate selected from K catalysts which have an acid charge of less than 100 mval/100 g.

Abstract: The invention relates to the use as perfumes of 1-alkyl/alkenyl cyclohexan-1-ols corresponding to the general formula ##STR1## in which R is a C.sub.1-4 alkyl or a C.sub.2-4 alkenyl, 0 to 3 of the 10 substituents R' are methyl and the balance of the 10 substituents R' are hydrogen, in compositions containing active chlorine, and perfumed compositions so obtained.

Abstract: The invention relates to isomeric 1-alkyl/alkenyl-2,2,4(2,4,4)-trimethyl cyclopentan-1-ols corresponding to general formulae I a/b below ##STR1## in which R is C.sub.2-5 alkyl or a C.sub.3-5 alkenyl; the use of compounds of the same formula in which R is C.sub.1-5 alkyl or C.sub.2-5 alkenyl as perfumes in compositions containing active chlorine or capable of generating active chlorine; and methods for their preparation.

Abstract: The invention relates to the use as perfumes of tertiary, alkyl-substituted alcohols corresponding to the general formula ##STR1## in which R.sup.1 and R.sup.2 are individually each a C.sub.1-3 alkyl and R.sup.3 is a C.sub.4-9 alkyl, in compositions containing active chlorine, and to such compositions themselves.

Abstract: Perfume and fragrance compositions containing salicylic acid esters, of which the ester function is derived from secondary or primary branched-chain, saturated aliphatic alcohols containing 6 C-atoms.

Abstract: The process of scenting, comprising the steps of treating the material to be scented with an application of scenting-effective amount of a scenting agent, the improvement consisting of using a salicylic acid ester having the formula: ##STR1## wherein R is a member having from 5 to 9 carbon atoms selected from the group consisting of cycloalkyl, C.sub.1 -C.sub.4 -alkylcycloalkyl, cycloalkenyl and C.sub.1 -C.sub.4 -alkylcycloalkenyl, and n is an integer from 0 to 3, as said scenting agent; more particularly using cyclohexyl salicylate or cyclopentyl salicylate as said scenting agent; as well as perfumery compositions containing said scenting agents; and salicylic acid ester scenting agents selected from the group consisting of:(a) Cyclopentyl salicylate,(b) 2,2,4-(2,4,4-)trimethylcyclopentyl salicylate in the form of an isomer mixture,(c) 4-isopropylcyclohexyl salicylate,(d) cyclohexylmethyl salicylate,(e) cycloheptyl salicylate(f) cyclooctyl salicylate, and(g) cyclooct-4-enyl salicylate.

Abstract: Methyl pentanoic acid esters corresponding to the formula ##STR1## wherein R is an olefinically unsaturated, straight-chain or branched-chain or carbocyclic hydrocarbon group, a phenyl or alkyl substituted phenyl group, a phenyl substituted alkyl group, or a phenyl substituted alkenyl group, wherein R contains from 3 to 9 carbon atoms, are valuable perfumes having strong, generally vegetably odor notes and outstanding persistence. They are produced by esterifying 2-methyl pentanoic acid with an unsaturated or carbocyclic alcohol or phenol containing radicals R corresponding to the general formula.The compounds can be effectively combined with other perfumes and standard perfume ingredients to form new compositions. The methyl pentanoic acid ester content thereof generally amounts to between about 1 and about 50% by weight.

Abstract: A 1,3-dialkyl-cyclohexane having the formula: ##STR1## wherein R.sub.1 is a member selected from the group consisting of hydrogen and straight chained or branched C.sub.1 -C.sub.20 -alkyl and R.sub.2 is a straight chained or branched C.sub.1 -C.sub.20 -alkyl; as well as a method of production and its use in cosmetic preparations.

Abstract: The invention is directed to a perfumery composition consisting essentially of at least one alkyl-substituted 1,3-dioxolane and customary constituents and to the use of such a perfumery composition to impart a pleasant odor to a product.

Abstract: 4-methyl-2,5-dioxabicyclo-[4,4,0]-decan-3-one having the formula ##STR1## its synthesis, its use as a perfumery agent and as an olefactant component in perfume compositions and as an odorant agent for technical products.

Abstract: This invention is directed to perfume compositions comprising esters of mixtures of tricyclo[5.2.1.0.sup.2.6 ]decane carboxylic acids of the general formulas: ##STR1## wheren R represents a saturated or unsaturated linear or branched aliphatic hydrocarbon radical having from about 1 to 5 carbon atoms; as well as the use of the compositions as odorants.

Abstract: This invention is directed to perfume compositions comprising esters of mixtures of tricyclo[5.2.1.0.sup.2.6 ]-decane carboxylic acids of the general formulas: ##STR1## wherein R represents a saturated or unsaturated linear or branched aliphatic hydrocarbon radical having from about 1 to 5 carbon atoms; as well as the use of the compositions as odorants.

Abstract: A perfumery composition consisting essentially of from 1% to 50% by weight of an ester of 3,5,5-trimethylhexanoic acid of the formula ##STR1## wherein R is a member selected from the group consisting of alkyl having from 1 to 5 carbon atoms, alkenyl having from 3 to 5 carbon atoms and alkynyl having from 3 to 5 carbon atoms, and the remainder customary constituents of perfumery compositions; as well as the method of perfuming employing the perfumery composition.

Abstract: A perfumery composition consisting essentially of from 1% to 50% by weight of a trimethyl-tetrahydropyran-2-one selected from the group consisting of(1) 4,6,6-trimethyl-tetrahydropyran-2-one of the formula ##STR1## (2) 4,4,6-trimethyl-tetrahydropyran-2-one of the formula ##STR2## and (3) mixtures of (1) and (2),and the remainder customary constituents of perfumery compositions; as well as the method of imparting a pleasing odor utilizing said trimethyl-tetrahydropyran-2-ones.

Abstract: 2,2,5-Trimethyl-5-phenyl-1,3-dioxane and a perfumery composition consisting essentially of from 1% to 50% by weight of 2,2,5-trimethyl-5-phenyl-1,3-dioxane and the remainder, customary constituents of perfumery compositions.