Desensitizer compositions

Claim 2

Desensitizer compositions which reduce or extinguish the capability of developers to color colorless compounds which comprises one or more desensitizers in combination with one or more compounds having an absorption peak in the wavelength region of from about 300 mμ to about 400 mμ and a molecular absorption coefficient of above about 2,000 wherein said one or more compounds is a phenol compound having a benzotriazolyl, phenyloxycarbonyl or phenylcarbonyl group at a position ortho to the phenolic hydroxy group.

Claim 3

Compositions as set forth in claim 1 which comprise at least about 0.05% by weight of said one or more compounds and from about 1 to 99.5 weight % of said one or more desensitizers, based on the total amount of the desensitizer composition.

Claim 4

Compositions as set forth in claim 1, wherein said developer is an electron accepting or proton releasing solid acid.

Claim 5

The composition of claim 1, wherein said one or more desensitizers is a member selected from the group consisting of quaternary ammonium salts, reaction products prepared by reacting alkylene oxides with high molecular weight amines, substituted oxazolines, xylene diamine or N-aminopropylpirperidine, polyoxyethylene alkyl ethers, polyoxyethylene esters, polyoxyethylene alkylphenyl ethers, polyethylene glycols, polypropylene glycols, polyoxypropylene alkylamines, polymers having a glutamic acid-alkyl ester residue, spiroacetal type diamines, N-(amino-alkyl)lactams and glycidyl ester addition products of amines.

Claim 6

The desensitizing composition of claim 1, wherein said one or more compounds is a phenol compound having a benzotriazolyl group at a position ortho to the phenolic hydroxy group.

Claim 7

The desensitizer compositions of claim 1, wherein said one or more compounds is a phenol compound having a phenyloxycarbonyl group at a position ortho to the phenolic hydroxy group.

Claim 8

The desensitizer compositions of claim 1, wherein said one or more compounds is a phenol compound having a phenylcarbonyl group at a position ortho to the phenolic hydroxy group.

Claim 9

Compositions as set forth in claim 1, wherein said one or more compounds are represented by formula (I): ##STR9## wherein R 1 is ##STR10## R 2 and R 7 are --H, --OH, --COOH, --OM or --COOM; R 3 to R 6 and R 8 to R 10 are selected from the group consisting of --H, --OH, a halogen atom, an alkyl group having 1 to 22 carbon atoms, an alkoxy group having 1 to 22 carbon atoms, benzyloxy, SO 3 H and SO 3 M and R 3 and R 4 or R 4 and R 5 may form a 5 or 6 membered ring composed of non-metallic atoms by linking to each other, and M is a metal which renders the compound water soluble, where at least one of R 2 or R 4 is --OH, and when R 4 is --OH, R 10 is --OH.

Claim 10

The desensitizer composition of claim 3, wherein R 1 is ##STR11##

Claim 11

The desensitizer composition of claim 8, wherein R 1 is ##STR12##

Claim 12

The desensitizer composition of claim 8, wherein R 1 is ##STR13##

Claim 13

The composition as set forth in claim 8 where R 2 and R 7 are --H, --OH, --COOH, --OM or --COOM; R 3 and R 6 are --H or an alkyl group having from 1 to 22 carbon atoms; R 4 and R 8 are --H, --OH, a halogen atom, an alkoxy group having from 1 to 22 carbon atoms or benzyloxy; R 10 and R 5 are --H, an alkyl group having from 1 to 22 carbon atoms, --SO 3 H or --SO 3 M and R 10 additionally is --OH; R 9 is --H, --SO 3 H or --SO 3 M; and R 3 and R 4 or R 4 and R 5 may from a 5 or 6 membered ring composed of non-metallic atoms by linking to each other, and M is a metal which renders the compound water soluble, where at least one of R 2 or R.sub. 4 is --OH and when R 4 only is --OH, R 10 is --OH.

Claim 14

Compositions as set forth in claim 12 wherein said alkyl group has from 1 to 12 carbon atoms, said alkoxy group has from 1 to 12 carbon atoms and said halogen atom is chlorine or bromine.

Claim 15

Compositions as set forth in claim 1, wherein said one or more compounds are represented by the general formulae: ##STR14## wherein R 11 and R 14 are --H or an alkyl group having from 1 to 22 carbon atoms, R 12 and R 16 are --H, --OH, a halogen atom, an alkoxy group having from 1 to 22 carbon atoms or benzyloxy, and R 13 is --H, an alkyl group having 1 to 22 carbon atoms, --SO 3 H or --SO 3 M; R 15 is --H, --OH, --COOH, --OM or --COOM: R 11 and R 12 or R 12 and R 13 may form a 5 or 6 membered ring composed of non-metallic atoms by linking to each other.

Claim 16

The desensitizer composition of claim 14 wherein said compound is represented by the formula ##STR15## atoms; R 12 is --H, --OH, a halogen atom, an alkoxy group having 1 to 22 carbon atoms or benzyloxy; and R 13 is --H, an alkyl group having 1 to 22 carbon atoms, --SO 3 H or --SO 3 M and R 11 and R 12 or R 12 and R 13 may form a five or six membered ring composed of non-metallic atoms by linking to each other.

Claim 17

The desensitizer composition of claim 14 wherein said compound is represented by the formula ##STR16## wherein R 11 and R 14 are --H or an alkyl group having from 1 to 22 carbon atoms; R 12 is --H, --OH, a halogen atom, an alkoxy group having 1 to 22 carbon atoms or benzyloxy; and R 13 is --H, an alkyl group having 1 to 22 carbon atoms, --SO 3 H or --SO 3 M and R 11 and R 12 or R 12 and R 13 may form a five or six membered ring composed of non-metallic atoms by linking to each other.

Claim 18

The desensitizer composition of claim 14 wherein said compound is represented by the formula ##STR17## wherein R 11 is --H or an alkyl group having from 1 to 22 carbon atoms; R 12 and R 16 are --H, --OH, a halogen atom, an alkoxy group, having 1 to 22 carbon atoms or benzyloxy; and R 13 is --H, an alkyl group having 1 to 22 carbon atoms, --SO 3 H or --SO 3 M; R 15 is --H, --OH, --COH, --OM or --COM; R 11 and R 12 or R 12 and R 13 may form a five or six membered ring composed of non-metallic atoms by linking to each other.

Claim 19

A process for desensitizing a developer layer comprising an electron accepting or proton releasing solid acid which comprises applying to all or part of the developer layer a desensitizer composition which reduces or extinguishes the function of the developer for coloring colorless compounds, which desensitizer composition consists essentially of 1 to 99.5 weight% based on the total weight of said composition of one or more desensitizers and at least 0.5 weight% of one or more compounds having an absorption peak in the wavelength region of from about 300 mμ to about 400 mμ and a molecular absorption coefficient of above about 2,000, said compounds being represented by the formula (I): ##STR18## wherein R 1 is ##STR19## R 2 and R 7 are --H, --OH, --COOH, --OM or --COOM; R 3 to R 6 and R 8 to R 10 are selected from the group consisting of --H, --OH, a halogen atom, an alkyl group having 1 to 22 carbon atoms, an alkoxy group having 1 to 22 carbon atoms, benzyloxy, SO 3 H and SO 3 M; and R 3 and R 4 or R 4 and R 5 may form a 5 or 6 membered ring composed of non-metallic atoms by linking to each other, and M is a metal which renders the compound water soluble, where at least one of R 2 or R 4 is --OH, and when R 4 only is --OH, R 10 is --OH.

Claim 20

A process for desensitizing a developer layer comprising an electron accepting or proton releasing solid acid which comprises applying to all or part of the developer layer a desensitizer composition which reduces or extinguishes the function of the developer for coloring colorless compounds, which desensitizer composition consists essentially of 1 to 99.5 weight% based on the total weight of said composition of one or more desensitizers and at least 0.5 weight% of one or more compounds having an absorption peak in the wavelength region of from about 300 mμ to about 400 mμ and a molecular absorption coefficient of above about 2,000, said compounds being represented by the formula (I): ##STR18## wherein R 1 is ##STR19## R 2 and R 7 are --H, --OH, --COOH, --OM or --COOM; R 3 to R 6 and R 8 to R 10 are selected from the group consisting of --H, --OH, a halogen atom, an alkyl group having 1 to 22 carbon atoms, an alkoxy group having 1 to 22 carbon atoms, benzyloxy, SO 3 H and SO 3 M; and R 3 and R 4 or R 4 and R 5 may form a 5 or 6 membered ring composed of non-metallic atoms by linking to each other, and M is a metal which renders the compound water soluble, where at least one of R 2 or R 4 is --OH, and when R 4 only is --OH, R 10 is --OH.

Claim 21

The process of claim 18, wherein said developer is an electron accepting or proton releasing solid acid.

Claim 22

The process of claim 18 wherein said desensitizer composition is applied to only a part of said developer layer.

Claim 23

The process of claim 18 wherein R 1 is ##STR20##

Claim 24

The process of claim 18 wherein R 1 is ##STR21##

Claim 25

The process of claim 18 wherein R 1 is ##STR22##

Claim 26

The process of claim 18, wherein said one or more desensitizers is a member selected from the group consisting of quaternary ammonium salts, reaction products prepared by reacting alkylene oxides with high molecular weight amines, substituted oxazolines, xylene diamine or N-aminopropylpirperidine, polyoxyethylene alkyl ethers, polyoxyethylene esters, polyoxyethylene alkylphenyl ethers, polyethylene glycols, polypropylene glycols, polyoxypropylene alkylamines, polymers having a glutamic acid-alkyl ester residue, spiroacetal type diamines, N-(amino-alkyl)lactams and glycidyl ester addition products of amines.

Claim 27

The process of claim 18 wherein R 3 and R 6 are --H or an alkyl group having from 1 to 22 carbon atoms; R 4 and R 8 are --H, --OH, a halogen atom, an alkoxy group having from 1 to 22 carbon atoms or benzyloxy; R 10 and R 5 are --H, an alkyl group having from 1 to 22 carbon atoms, --SO 3 H or --SO 3 M and R additionally is --OH; R 9 is --H, --SO 3 H or --SO 3 M; and R 3 and R 4 or R 4 and R 5 may form a 5 or 6 membered ring composed of non-metallic atoms by linking to each other, and M is a metal which renders the compound water soluble; where at least one of R 2 or R 4 is --OH and when R 4 only is --OH, R 10 is --OH.

Claim 28

The process of claim 25, wherein said alkyl group has from 1 to 12 carbon atoms, said alkoxy group has from 1 to 12 carbon atoms and said halogen atoms is chlorine or bromine.

Claim 29

The process of claim 18 wherein said one or more compounds are represented by the formulae: ##STR23## wherein R 11 and R 14 are --H or an alkyl group having from 1 to 22 carbon atoms; R 12 and R 16 are --H, --OH, a halogen atom, an alkoxy group having from 1 to 22 carbon atoms or benzyloxy; and R 13 is --H, an alkyl group having 1 to 22 carbon atoms, --SO 3 H or --SO 3 M; R 15 is --H, --OH, --COOH, --OM or --COOM; R 11 and R 12 or R 12 and R 13 may form a 5 or 6 membered ring composed of non-metallic atoms by linking to each other.

Claim 30

The process of claim 11 wherein said compound is represented by the formula ##STR24## wherein R 11 is --H or an alkyl group having from 1 to 22 carbon atoms; R 12 is --H, --OH, a halogen atom, an alkoxy group having 1 to 22 carbon atoms or benzyloxy; and R 13 is --H, an alkyl group having 1 to 22 carbon atoms, --SO 3 H or --SO 3 M and R 11 and R 12 or R 12 and R 13 may form a five or six membered ring composed of non-metallic atoms by linking to each other.

Claim 31

The process of claim 27, wherein said compound is represented by ##STR25## wherein R 11 and R 14 are --H or an alkyl group having from 1 to 22 carbon atoms; R 12 is --H, --OH, a halogen atom, an alkoxy group having 1 to 22 carbon atoms or benzyloxy; and R 13 is --H, an alkyl group having 1 to 22 carbon atoms, --SO 3 H or --SO 3 M and R 11 and R 12 or R 12 and R 13 may form a five or six membered ring composed of non-metallic atoms by linking to each other.

Claim 32

The process of claim 27, wherein said compound is represented by the formula ##STR26## wherein R 11 is --H or an alkyl group having from 1 to 22 carbon atoms; R 12 and R 16 are --H, --OH, a halogen atom, an alkoxy group having 1 to 22 carbon atoms or benzyloxy; and R 13 is --H, an alkyl group having 1 to 22 carbon atoms, --SO 3 H or --SO 3 M; R 15 is --H, --OH, --COH, --OM or --COM; R 11 and R 12 or R 12 and R 13 may form a five or six membered ring composed of non-metallic atoms by linking to each other.