Record member

Claim 2

A record member comprising a substrate and a developer composition comprising a glass comprising a biphenol color developer and a resinous material.

Claim 3

The record member of claim 1 wherein the biphenol is selected from the group consisting of 4,4'-isopropylidenediphenol; 3,3-bis(4-hydroxyphenyl)pentane; 2,2-bis(4-hydroxyphenyl)-4-methylpentane; 1,1-bis(4-hydroxyphenyl)cyclohexane; and bis(4-hydroxyphenyl)methane.

Claim 4

The record member of claim 2 wherein the biphenol is selected from the group consisting of 3,3-bis(4-hydroxyphenyl)pentane; 1,1-bis(4-hydroxyphenyl)cyclohexane; and bis(4-hydroxyphenyl)methane.

Claim 5

The record member of claim 3 wherein the biphenol is bis(4-hydroxyphenyl)methane.

Claim 6

The record member of claim 1 wherein the resinous material is selected from the group consisting of polystyrene, poly(alpha-methylstyrene), a copolymer of vinyltoluene and alpha-methylstyrene, indene resin and paracoumarone-indene resin.

Claim 7

The record member of claim 5 wherein the resinous material is a copolymer of vinyltoluene and alpha-methylstyrene or indene resin.

Claim 8

A pressure-sensitive record unit comprising: (a) support sheet material; (b) mark-forming components, and a pressure-releasable liquid organic solvent for both said mark-forming components arranged in contiguous juxtaposition and supported by said sheet material; (c) at least one of the mark-forming components being maintained in isolation from other mark-forming component(s); (d) said mark-forming components comprising at least one basic chromogenic material and at least one glass comprising a biphenol color developer and a resinous material, which components, on pressure release of the liquid organic solvent, are brought into reactive contact.

Claim 9

A pressure-sensitive record unit comprising: (a) support sheet material; (b) mark-forming components, and a pressure-releasable liquid organic solvent for both said mark-forming components arranged in contiguous juxtaposition and supported by said sheet material; (c) at least one of the mark-forming components being maintained in isolation from other mark-forming component(s); (d) said mark-forming components comprising at least one basic chromogenic material and at least one glass comprising a biphenol color developer and a resinous material, which components, on pressure release of the liquid organic solvent, are brought into reactive contact.

Claim 10

The record unit of claim 7 wherein the biphenol is selected from the group consisting of 4,4'-isopropylidenediphenol; 3,3-bis(4-hydroxyphenyl)pentane; 2,2-bis(4-hydroxyphenyl)-4-methylpentane; 1,1-bis(4-hydroxyphenyl)-cyclohexane; and bis(4-hydroxyphenyl)methane.

Claim 11

The record unit of claim 8 wherein the biphenol is selected from the group consisting of 3,3bis(4-hydroxyphenyl)pentane; 1,1-bis(4-hydroxyphenyl)-cyclohexane; and bis(4-hydroxyphenyl)methane.

Claim 12

The record unit of claim 9 wherein the biphenol is bis(4-hydroxyphenyl)methane.

Claim 13

The record unit of claim 7 wherein the resinous material is selected from the group consisting of polystyrene, poly(alpha-methylstyrene), a copolymer of vinyltoluene and alpha-methylstyrene, indene resin and paracoumarone-indene resin.

Claim 14

The record unit of claim 11 wherein the resinous material is a copolymer of vinyltoluene and alpha-methylstyrene or indene resin.

Claim 15

A record member comprising a substrate and a developer composition comprising a glass comprising a biphenol color developer selected from the group consisting of 4,4'-isopropylidenediphenol; 3,3-bis(4-hydroxyphenyl)pentane; 2,2-bis(4-hydroxyphenyl)-4-methylpentane; 1,1-bis(4-hydroxyphenyl)cyclohexane; and bis(4-hydroxyphenyl)methane and a resinous material selected from the group consisting of polystyrene, poly(alpha-methylstyrene), a copolymer of vinyltoluene and alpha-methylstyrene, indene resin and paracoumarone-indene resin.

Claim 16

A record member comprising a substrate and a developer composition comprising a glass comprising a biphenol color developer selected from the group consisting of 4,4'-isopropylidenediphenol; 3,3-bis(4-hydroxyphenyl)pentane; 2,2-bis(4-hydroxyphenyl)-4-methylpentane; 1,1-bis(4-hydroxyphenyl)cyclohexane; and bis(4-hydroxyphenyl)methane and a resinous material selected from the group consisting of polystyrene, poly(alpha-methylstyrene), a copolymer of vinyltoluene and alpha-methylstyrene, indene resin and paracoumarone-indene resin.

Claim 17

The record member of claim 13 wherein the biphenol is 3,3-(bis(4-hydroxyphenyl)pentane; 1,1-bis(4-hydroxyphenyl)cyclohexane; or bis(4-hydroxyphenyl)methane and the resinous material is a copolymer of vinyltoluene and alpha-methylstyrene or indene resin.

Claim 18

The record member of claim 14 wherein the biphenol is bis(4-hydroxyphenyl)methane and the resinous material is a copolymer of vinyltoluene and alpha-methylstyrene.

Claim 19

A record member comprising a substrate and a developer composition comprising a glass consisting essentially of a biphenol color developer and a resinous material.

Claim 20

A record member comprising a substrate and a developer composition comprising a glass consisting essentially of a biphenol color developer and a resinous material.

Claim 21

The record member of claim 16 wherein the biphenol is selected from the group consisting of 4,4'-isopropylidenediphenol; 3,3-bis(4-hydroxyphenyl)pentane; 2,2-bis(4-hydroxyphenyl)-4-methylpentane; 1,1-bis(4-hydroxyphenyl)cyclohexane; and bis(4-hydroxyphenyl)methane.

Claim 22

The record member of claim 17 wherein the biphenol is selected from the group consisting of 3,3-bis(4-hydroxyphenyl)pentane; 1,1-bis(4-hydroxyphenyl) cyclohexane; and bis(4-hydroxyphenyl)methane.

Claim 23

The record member of claim 18 wherein the biphenol is bis(4-hydroxyphenyl)methane.

Claim 24

The record member of claim 16 wherein the resinous material is selected from the group consisting of polystyrene, poly(alpha-methylstyrene), a copolymer of vinyltoluene and alpha-methylstyrene, indene resin and paracoumarone-indene resin.

Claim 25

The record member of claim 20 wherein the resinous material is a copolymer of vinyltoluene and alpha-methylstyrene or indene resin.

Claim 26

A record member comprising a substrate and a developer composition comprising a glass consisting essentially of a biphenol color developer selected from the group consisting of 4,4'-isopropylidenediphenol; 3,3-bis(4-hydroxyphenyl)pentane; 2,2-bis(4-hydroxyphenyl)-4-methylpentane; 1,1-bis(4-hydroxyphenyl)cyclohexane; and bis(4-hydroxyphenyl)methane and a resinous material selected from the group consisting of polystyrene, poly(alpha-methylstyrene), copolymer of vinyltoluene and alpha-methylstyrene, indene resin and paracoumarone-indene resin.

Claim 27

A record member comprising a substrate and a developer composition comprising a glass consisting essentially of a biphenol color developer selected from the group consisting of 4,4'-isopropylidenediphenol; 3,3-bis(4-hydroxyphenyl)pentane; 2,2-bis(4-hydroxyphenyl)-4-methylpentane; 1,1-bis(4-hydroxyphenyl)cyclohexane; and bis(4-hydroxyphenyl)methane and a resinous material selected from the group consisting of polystyrene, poly(alpha-methylstyrene), copolymer of vinyltoluene and alpha-methylstyrene, indene resin and paracoumarone-indene resin.

Claim 28

The record member of claim 22 wherein the biphenol is 3,3-(bis(4-hydroxyphenyl)pentane; 1,1-bis(4-hydroxyphenyl)cyclohexane; or bis(4-hydroxyphenyl)methane and the resinous material is a copolymer of vinyltoluene and alpha-methylstyrene or indene resin.

Claim 29

The record member of claim 23 wherein the biphenol is bis(4-hydroxyphenyl)methane and the resinous material is a copolymer of vinyltoluene and alpha-methylstyrene.