Cosmetic sunscreen product for the face and body

Claim 2

A cosmetic sunscreen product for the face and body, which comprises at least one tyrosine derivative of the formula ##STR5## wherein R 1 is H or CH 3 --(CH 2 ) x , with x being an integer from 1 to 20 and R 2 is CH 3 CO or CH 3 --(CH 2 ) y CO, with y being an integer from 1 to 20.

Claim 3

A cosmetic sunscreen product for the face and body as claimed in claim 4, wherein ##STR6## R 1 is H, ethyl, myristyl, palmityl or stearyl, and R 2 is acetyl, myristoyl, palmitoyl or stearoyl.

Claim 4

A cosmetic sunscreen product for the face and body, which comprises at least one tyrosine derivative and an activator which is at least one member selected from the group consisting of: (i) an alkali metal salt of adenosine-5'-triphosphoric acid of the formula ##STR7## (ii) an equimolar mixture of an alkali metal dihydrogen phosphate and the alkali metal salt of adenosine-5'-diphosphoric acid of the formula ##STR8## (iii) a mixture of two equivalents of an alkali metal dihydrogen phosphate and one equivalent of the alkali metal salt of adenosine-5'-monophosphoric acid of the formula ##STR9## (iv) an alkaline earth metal salt of adenosine-5'-triphosphoric acid of the formula ##STR10## (v) an equimolar mixture of an alkaline earth metal hydrogen phosphate and the alkaline earth metal salt of adenosine-5'-diphosphoric acid of the formula ##STR11## (vi) an equimolar mixture of an alkaline earth metal hydrogen phosphate and the alkaline earth metal salt of adenosine-5'-monophosphoric acid of the formula ##STR12## ##STR13## wherein AK is an alkali metal, EAK is an alkaline earth metal, and Bu is butyl.

Claim 5

A cosmetic sunscreen product for the face and body, which comprises at least one tyrosine derivative and an activator which is at least one member selected from the group consisting of: (i) an alkali metal salt of adenosine-5'-triphosphoric acid of the formula ##STR7## (ii) an equimolar mixture of an alkali metal dihydrogen phosphate and the alkali metal salt of adenosine-5'-diphosphoric acid of the formula ##STR8## (iii) a mixture of two equivalents of an alkali metal dihydrogen phosphate and one equivalent of the alkali metal salt of adenosine-5'-monophosphoric acid of the formula ##STR9## (iv) an alkaline earth metal salt of adenosine-5'-triphosphoric acid of the formula ##STR10## (v) an equimolar mixture of an alkaline earth metal hydrogen phosphate and the alkaline earth metal salt of adenosine-5'-diphosphoric acid of the formula ##STR11## (vi) an equimolar mixture of an alkaline earth metal hydrogen phosphate and the alkaline earth metal salt of adenosine-5'-monophosphoric acid of the formula ##STR12## ##STR13## wherein AK is an alkali metal, EAK is an alkaline earth metal, and Bu is butyl.

Claim 6

The sunscreen of claim 3, wherein said tyrosine derivative has the formula ##STR14## wherein R 1 is H or CH 3 --(CH 2 ) x , with x being an integer from 1 to 20 and R 2 is CH 3 CO or CH 3 --(CH 2 ) y CO, with y being an integer from 1 to 20.

Claim 7

A cosmetic sunscreen product for the face and body as claimed in claim 4, wherein said activator is at least one member selected from the group consisting of an alkali metal salt of adenosine-5'-triphosphoric acid of the formula ##STR15## in which AK is an alkali element, and an equimolar mixture of an alkali metal hydrogen phosphate and the alkali metal salt of adenosine-5'-diphosphoric acid of the formula ##STR16## in which AK is an alkali element.

Claim 8

A cosmetic sunscreen product for the face and body as claimed in claim 5, wherein said tyrosine derivative is one or more members selected from the group consisting of N-acetyltyrosine and N-acetyltyrosine ethyl ester and said alkali metal is sodium.

Claim 9

A cosmetic sunscreen product for the face and body as claimed in claim 4, which contains at least 0.3% by weight of said tyrosine derivative

Claim 10

A cosmetic sunscreen product for the face and body as claimed in claim 7, which contains at least 0.3% by weight of N-acetyltyrosine.

Claim 11

A cosmetic sunscreen product for the face and body as claimed in claim 7, which contains at least 0.4% by weight of N-acetyltyrosine ethyl ester.

Claim 12

A cosmetic sunscreen product for the face and body as claimed in claim 7, which contains at least 1.0% by weight of N-myristoyltyrosine.

Claim 13

A cosmetic sunscreen product for the face and body as claimed in claim 7, which contains at least 1.0% by weight of N-myristoyltyrosine myristyl ester.

Claim 14

A cosmetic sunscreen product for the face and body as claimed in claim 7, which contains at least 1.0% by eight of N-palmitoyltyrosine.

Claim 15

A cosmetic sunscreen product for the face and body as claimed in claim 7, which contains at least 1.0% by weight of N-palmitoyltyrosine palmityl ester.

Claim 16

A cosmetic sunscreen product for the face and body as claimed in claim 7, which contains at least 1.0% by weight of N-stearoyltyrosine.

Claim 17

A cosmetic sunscreen product for the face and body as claimed in claim 7, which contains at least 1.0% by weight of N-stearoyltyrosine stearyl ester.

Claim 18

A cosmetic sunscreen product for the face and body as claimed in claim 7, which contains at least 0.3% by weight of a mixture of N-acetyltyrosine and N-acetyltyrosine ethyl ester.

Claim 19

A cosmetic sunscreen product for the face and body as claimed in claim 4, which contains at least 0.01% by weight of said activator.

Claim 20

A cosmetic sunscreen product for the face and body as claimed in claim 17, which contains at least 0.01% by weight of adenosine-5'-triphosphoric acid disodium salt.

Claim 21

A cosmetic sunscreen product for the face and body as claimed in claim 17, which contains at least 0.015% by weight of a mixture of adenosine-5'-diphosphoric acid disodium salt and sodium hydrogen phosphate in the mixing ratio by weight of 4:1.

Claim 22

A cosmetic sunscreen product for the face and body as claimed in claim 17, which contains at least 0.015% by weight of a mixture of adenosine-5'-monophosphoric acid sodium salt and sodium hydrogen phosphate in the molar ratio of 1:2.

Claim 23

A cosmetic sunscreenproduct for the face and body as claimed in claim 17, which contains at least 0.02% by weight of adenosine-5'-triphosphoric acid di-n-butyl ester.

Claim 24

A cosmetic sunscreen product for the face and body as claimed in claim 17, which contains at least 0.02% by weight of adenosine-5'-diphosphoric acid di-n-butyl ester.

Claim 25

A cosmetic sunscreen product for the face and body as claimed in claim 17, which contains at least 0.02% by weight of adenosine-5'-monophosphoric acid n-butyl ester.

Claim 26

A cosmetic sunscreen product for the face and body as claimed in claim 17, which contains at least 0.01% by weight of adenosine-5'-triphosphoric acid disodium salt and wherein said tyrosine derivative is at least one member selected from the group consisting of N-acetyltyrosine and N-acetyltyrosine ethyl ester.

Claim 27

A cosmetic sunscreen product for the face and body as claimed in claim 17, which contains at least 0.06% by weight of a mixture of adenosine-5'-diphosphoric acid disodium salt and sodium hydrogen phosphate in the mixing ratio by weight of 4:1 and wherein said tyrosine derivative is at least one member selected from the group consisting of N-acetyltyrosine and N-acetyltyrosine ethyl ester.

Claim 28

A cosmetic sunscreen product for the face and body as claimed in claim 14, which is in the form of a solution in a solvent selected from the group consisting of water, aqueous ethanol, aqueous isopropyl alcohol and aqueous glycols.

Claim 29

A cosmetic sunscreen product for the face and body as claimed in claim 4, which is in the form of a liquid emulsion or gel and further comprises suitable solvents.

Claim 30

A cosmetic sunscreen product for the face and body as claimed in claim 4, which further comprises one or more members selected from the group consisting of mineral oils, vegetable oils, animal oils, waxes, and fat-soluble glycols and polyglycols.

Claim 31

A cosmetic sunscreen product for the face and body as claimed in claim 4, which further comprises at least one member of the group consisting of swelling or thickening agents, protein hydrolyzate, surface-active agents, film-forming substances, perfume, and emulsifiers.

Claim 32

The sunscreen of claim 4, which further comprises a UV-filter.

Claim 33

The sunscreen of claim 4, which is in the form of an aerosol or foam and further comprises a propellant gas.