Patterned transfer sheet

Claim 2

A LIGHT-TRANSMITTING TRANFERABLE FILM COMPRISING: FACE,

Claim 3

A LIGHT-TRANSMITTING TEMPORARY SUPPORT, CARRYING ON ITS SURFACE,

Claim 4

A LIGHT-TRANSMITTING TEMPORARY SUPPORT, CARRYING ON ITS SURFACE,

Claim 5

A PATTERNED TRANFER SHEET CARRYING ON ONE SURFACE THEREOF A PLURALITY OF ELEMENTS OR POINTS WHICH TOGETHER FORM PATTERNS, ANY SELECTED PORTION OF ONE OR MORE OF SAID PATTERNS, BEING TRANSFERABLE AND ADHERABLE TO A RECEPTOR SURFACE, COMPRISING

Claim 6

A PATTERNED TRANFER SHEET CARRYING ON ONE SURFACE THEREOF A PLURALITY OF ELEMENTS OR POINTS WHICH TOGETHER FORM PATTERNS, ANY SELECTED PORTION OF ONE OR MORE OF SAID PATTERNS, BEING TRANSFERABLE AND ADHERABLE TO A RECEPTOR SURFACE, COMPRISING

Claim 7

AN UNPLASTICIZED TANSFERABLE FILM COMPRISING: A. A PIGMENTED LAYER FORMING THE ELEMENTS OR POINT OF THE PATTERNS AND BEING COMPOSED OF A PRINTING INK WITH TWO MAIN COMPONENTS, B. A LIGHT-TRANSMITTING LATER FORMED OF ONE OF THE MAIN COMPONENTS OF SAID INK AND CONTAINING DISPERSED MICROCAPSULES COVERING AT LEAST THE PORTION OF THE PATTERN CARRYING SURFACE OF SAID TEMPORARY SUPPORT, SAID MICROCAPSULES CONTAINING A SOLVENT FOR SAID LIGHT-TRANSMITTING FILM WITH SAID SOLVENT HAVING AT THE VERY MOST A SWELLING ACTION ON SAID PRINTING INK AND NO SOLUBILIZING ACTION ON THE TEMPORARY SUPPORT, AND

Claim 8

AN UNPLASTICIZED TANSFERABLE FILM COMPRISING: A. A PIGMENTED LAYER FORMING THE ELEMENTS OR POINT OF THE PATTERNS AND BEING COMPOSED OF A PRINTING INK WITH TWO MAIN COMPONENTS, B. A LIGHT-TRANSMITTING LATER FORMED OF ONE OF THE MAIN COMPONENTS OF SAID INK AND CONTAINING DISPERSED MICROCAPSULES COVERING AT LEAST THE PORTION OF THE PATTERN CARRYING SURFACE OF SAID TEMPORARY SUPPORT, SAID MICROCAPSULES CONTAINING A SOLVENT FOR SAID LIGHT-TRANSMITTING FILM WITH SAID SOLVENT HAVING AT THE VERY MOST A SWELLING ACTION ON SAID PRINTING INK AND NO SOLUBILIZING ACTION ON THE TEMPORARY SUPPORT, AND

Claim 9

AN UNPLASTICIZED TRANSFERABLE FILM COMPRISING: A. A PIGMENTED LAYER FORMING THE ELEMENTS OR POINTS OF THE PATTERNS AND BEING COMPOSED OF A PRINTING INK WITH TWO MAIN COMPONENTS, B. A LIGHT-TRANSMITTING LAYER FORMED OF ONE OF THE MAIN COMPONENTS OF SAID INK AND CONTAINING DISPERSED MICROCAPSULES COVERING AT LEAST THE PORTION OF THE PATTERN CARRYING SURFACE OF SAID TEMPORARY SUPPORT, SAID MICROCAPSULES CONTAINING A SOLVENT FOR SAID LIGHT-TRANSMITTING FILM WITH SAID SOLVENT HAVING AT THE VERY MOST A SWELLING ACTION ON SAID PRINTING INK AND NO SOLUBILIZING ACTION ON THE TEMPORARY SUPPORT, AND

Claim 10

AN UNPLASTICIZED TRANSFERABLE FILM COMPRISING: A. A PIGMENTED LAYER FORMING THE ELEMENTS OR POINTS OF THE PATTERNS AND BEING COMPOSED OF A PRINTING INK WITH TWO MAIN COMPONENTS, B. A LIGHT-TRANSMITTING LAYER FORMED OF ONE OF THE MAIN COMPONENTS OF SAID INK AND CONTAINING DISPERSED MICROCAPSULES COVERING AT LEAST THE PORTION OF THE PATTERN CARRYING SURFACE OF SAID TEMPORARY SUPPORT, SAID MICROCAPSULES CONTAINING A SOLVENT FOR SAID LIGHT-TRANSMITTING FILM WITH SAID SOLVENT HAVING AT THE VERY MOST A SWELLING ACTION ON SAID PRINTING INK AND NO SOLUBILIZING ACTION ON THE TEMPORARY SUPPORT, AND

Claim 11

an unplasticized transferable film comprising: a. a pigmented layer forming the elements or points of the patterns and being composed of a printing ink with two main components; b. a light-transmitting layer formed of one of the main components of said ink and containing dispersed microcapsules covering at least the portion of the pattern carrying surface of said temporary support, said microcapsules containing a solvent for said light-transmitting film with said solvent having at the very most a swelling action on said printing ink and no solubilizing action on the temporary support, and

Claim 12

an unplasticized transferable film comprising: a. a pigmented layer forming the elements or points of the patterns and being composed of a printing ink with two main components; b. a light-transmitting layer formed of one of the main components of said ink and containing dispersed microcapsules covering at least the portion of the pattern carrying surface of said temporary support, said microcapsules containing a solvent for said light-transmitting film with said solvent having at the very most a swelling action on said printing ink and no solubilizing action on the temporary support, and

Claim 13

A transfer sheet as in claim 1, in which the first main component of the ink is a polymer soluble in the solvent contained in the microcapsules and the second main component of the ink is a substance which reduces the solubility of the first main component in said solvent, the ratio between the first and second main component being such that said solvent contained in the microcapsules cannot dissolve the ink.

Claim 14

an unplasticized transferable film comprising: a. a pigmented layer forming the elements or points of the patterns and being composed of a printing ink with two main components; b. a light-transmitting layer formed of one of the main components of said ink and containing dispersed microcapsules covering at least the portion of the pattern carrying surface of said temporary support, said microcapsules containing a solvent for said light-transmitting film with said solvent having at the very most a swelling action on said printing ink and no solubilizing action on the temporary support, and

Claim 15

an unplasticized transferable film comprising: a. a pigmented layer forming the elements or points of the patterns and being composed of a printing ink with two main components; b. a light-transmitting layer formed of one of the main components of said ink and containing dispersed microcapsules covering at least the portion of the pattern carrying surface of said temporary support, said microcapsules containing a solvent for said light-transmitting film with said solvent having at the very most a swelling action on said printing ink and no solubilizing action on the temporary support, and

Claim 16

a coating of a pressure-sensitive adhesive covering said light-transmitting layer, the organic components of said pressure-sensitive adhesive being miscible with said light-transmitting layer and soluble in the solvent contained within said microcapsules so that upon transfer, the light-transmitting layer and the pressure-sensitive adhesive interreactable with one another to provide, after transfer to said receptor surfaces, a strong adhesion to said receptor surface, pressure application to the surface of said sheet opposite the surface carrying said transferable film enabling the transfer to a receptor surface in contact with said film the portion of the patterns, composed of one or more of said elements or points, corresponding to the area of applied pressure, said temporary support being parchment paper coated with silicone, said ink comprising 10 parts by weight of pigments, 60 parts by weight of ethylhydroxyethylcellulose, 30 parts by weight of nitrocellulose 1/2 seconds, said light-transmitting film comprising 100 parts by weight of ethylhydroxyethylcellulose, 100 parts by weight of microcapsules having a diameter less than 60 microns, said layer of pressure-sensitive adhesive having a thickness of at most 25% of that of said light-transmitting film without taking into account the size of the microcapsules contained in said light-transmitting film, the pressure-sensitive adhesive comprising 10 parts by weight of polyisobutylene having a number average molecular weight of 300,000, 20 parts by weight of polyisobutylene havin a number average molecular weight of 8000, 10 parts by weight of polyisobutylene having a number average molecular weight of 820, 13 parts by weight of methylcyclohexane resin and 10 parts by weight of primary particles of silica having a diameter less than 50 millimicrons.

Claim 17

a coating of a pressure-sensitive adhesive covering said light-transmitting layer, the organic components of said pressure-sensitive adhesive being miscible with said light-transmitting layer and soluble in the solvent contained within said microcapsules so that upon transfer, the light-transmitting layer and the pressure-sensitive adhesive interreactable with one another to provide, after transfer to said receptor surfaces, a strong adhesion to said receptor surface, pressure application to the surface of said sheet opposite the surface carrying said transferable film enabling the transfer to a receptor surface in contact with said film the portion of the patterns, composed of one or more of said elements or points, corresponding to the area of applied pressure, said temporary support being parchment paper coated with silicone, said ink comprising 10 parts by weight of pigments, 60 parts by weight of ethylhydroxyethylcellulose, 30 parts by weight of nitrocellulose 1/2 seconds, said light-transmitting film comprising 100 parts by weight of ethylhydroxyethylcellulose, 100 parts by weight of microcapsules having a diameter less than 60 microns, said layer of pressure-sensitive adhesive having a thickness of at most 25% of that of said light-transmitting film without taking into account the size of the microcapsules contained in said light-transmitting film, the pressure-sensitive adhesive comprising 10 parts by weight of polyisobutylene having a number average molecular weight of 300,000, 20 parts by weight of polyisobutylene havin a number average molecular weight of 8000, 10 parts by weight of polyisobutylene having a number average molecular weight of 820, 13 parts by weight of methylcyclohexane resin and 10 parts by weight of primary particles of silica having a diameter less than 50 millimicrons.

Claim 18

a coating of a pressure-sensitive adhesive covering said light-transmitting layer, the organic components of said pressure-sensitive adhesive being miscible with said light-transmitting layer and soluble in the solvent contained within said microcapsules so that upon transfer, the light-transmitting layer and the pressure-sensitive adhesive interreactable with one another to provide, after transfer to said receptor surfaces, a strong adhesion to said receptor surface, pressure application to the surface of said sheet opposite the surface carrying said transferable film enabling the transfer to a receptor surface in contact with said film the portion of the patterns, composed of one or more of said elements or points, corresponding to the area of applied pressure.

Claim 19

a coating of a pressure-sensitive adhesive covering said light-transmitting layer, the organic components of said pressure-sensitive adhesive being miscible with said light-transmitting layer and soluble in the solvent contained within said microcapsules so that upon transfer, the light-transmitting layer and the pressure-sensitive adhesive interreactable with one another to provide, after transfer to said receptor surfaces, a strong adhesion to said receptor surface, pressure application to the surface of said sheet opposite the surface carrying said transferable film enabling the transfer to a receptor surface in contact with said film the portion of the patterns, composed of one or more of said elements or points, corresponding to the area of applied pressure.

Claim 20

A transfer sheet as in claim 2, in which the solvent contained in the microcapsules is an aromatic solvent, the first main component of the ink is a low viscosity ethylhydroxyethylcellulose, the second main component of the ink is a nitrocellulose one-half second, the weight ratio between the first and second main components of the ink being from about 2/3 to about 2/1.

Claim 21

A COATING OF A PRESSURE-SENSITIVE ADHESIVE COVERING SAID LIGHT-TRANSMITTING LAYER, THE ORGANIC COMPONENTS OF SAID PRESSURE-SENSITIVE ADHESIVE BEING MISCIBLE WITH SAID LIGHTTRANSMITTING LAYER AND SOLUBLE IN THE SOLVENT CONTAINED WITH SAID MICROCAPSULES SO THAT UPON TRANSFER, THE LIGHTTRANSMITTING LAYER AND SOLUBLE IN THE SOLVENT CONTAINED INTERREACTABLE WITH ONE ANOTHER TO PROVIDE, AFTER TRANSFER TO SAID RECEPTOR SURFACE, A STRONG ADHESION TO SAID RECEPTOR SURFACE, PRESSURE APPLICATION TO THE SURFACE OF SAID SHEET OPPOSITE THE SURFACE CARRYING SAID TRANSFERABLE FILM ENABLING THE TRANSFER TO A RECEPTOR SURFACE IN CONTACT WITH SAID FILM THE PORTION OF THE PETTERNS, COMPOSED OF ONE OR MORE OF SAID ELEMENTS OR POINTS, CORRESPONDING TO THE AREA OF APPLIED PRESSURE, SAID TEMPORARY SUPPORT BEING PARCHMENT PAPER COATING WITH SILICONE, SAID INK COMPRISING 10 PARTS BY WEIGHT OF PIGMENTS, 60 PARTS BY WEIGHT OF ETHYLHYDROXYETHYLCELLULOSE, 30 PARTS BY WEIGHT OF NITROCELLULOSE 1/2 SECONDS, SAID LIGHT-TRANSMITTING FILM COMPISING 100 PARTS BY WEIGHT OF ETHYLHYDROXYETHYLCELLULOSE, 100 PARTS BY WEIGHT OF MICROCAPSULES HAVING A DIAMETER LESS THAN 60 MICRONS, SAID LAYER OF PRESSURE-SENSITIVE ADHESIVE HAVING A THICKNESS OF A MOST 25% OF THAT OF SAID LIGHT-TRANSMITTING FILM WITHOUT TAKING INTO ACCOUNT THE SIZE OF THE MICROCAPSULES CONTAINED IN SAID LIGHT-TRANSMITTING FILM, THE PRESSURE-SENSITIVE ADHESIVE COMPRISING 10 PARTS BY WEIGHT OF POLYISOBUTYLENE HAVING A NUMBER AVERAGE MOLECULAR WEIGHT OF 300,000, 20 PARTS BY WEIGHT OF POLYISOBUTYLENE HAVING A NUMBER AVERAGE MOLECULAR WEIGHT OF 8000, 10 PARTS BY WEIGHT OF POLYISOBUTYLENE HAVING A NUMBER AVERAGE MOLECULAR WEIGHT OF 820, 13 PARTS BY WEIGHT OF METHYLCYCLOHEXANE RESIN AND 10 PARTS BY WEIGHT OF PRIMARY OF PARTICLES OF SILICA HAVING A DIAMETER LESS THAN 50 MILLIMICRONS.

Claim 22

A COATING OF A PRESSURE-SENSITIVE ADHESIVE COVERING SAID LIGHT-TRANSMITTING LAYER, THE ORGANIC COMPONENTS OF SAID PRESSURE-SENSITIVE ADHESIVE BEING MISCIBLE WITH SAID LIGHTTRANSMITTING LAYER AND SOLUBLE IN THE SOLVENT CONTAINED WITH SAID MICROCAPSULES SO THAT UPON TRANSFER, THE LIGHTTRANSMITTING LAYER AND SOLUBLE IN THE SOLVENT CONTAINED INTERREACTABLE WITH ONE ANOTHER TO PROVIDE, AFTER TRANSFER TO SAID RECEPTOR SURFACE, A STRONG ADHESION TO SAID RECEPTOR SURFACE, PRESSURE APPLICATION TO THE SURFACE OF SAID SHEET OPPOSITE THE SURFACE CARRYING SAID TRANSFERABLE FILM ENABLING THE TRANSFER TO A RECEPTOR SURFACE IN CONTACT WITH SAID FILM THE PORTION OF THE PETTERNS, COMPOSED OF ONE OR MORE OF SAID ELEMENTS OR POINTS, CORRESPONDING TO THE AREA OF APPLIED PRESSURE, SAID TEMPORARY SUPPORT BEING PARCHMENT PAPER COATING WITH SILICONE, SAID INK COMPRISING 10 PARTS BY WEIGHT OF PIGMENTS, 60 PARTS BY WEIGHT OF ETHYLHYDROXYETHYLCELLULOSE, 30 PARTS BY WEIGHT OF NITROCELLULOSE 1/2 SECONDS, SAID LIGHT-TRANSMITTING FILM COMPISING 100 PARTS BY WEIGHT OF ETHYLHYDROXYETHYLCELLULOSE, 100 PARTS BY WEIGHT OF MICROCAPSULES HAVING A DIAMETER LESS THAN 60 MICRONS, SAID LAYER OF PRESSURE-SENSITIVE ADHESIVE HAVING A THICKNESS OF A MOST 25% OF THAT OF SAID LIGHT-TRANSMITTING FILM WITHOUT TAKING INTO ACCOUNT THE SIZE OF THE MICROCAPSULES CONTAINED IN SAID LIGHT-TRANSMITTING FILM, THE PRESSURE-SENSITIVE ADHESIVE COMPRISING 10 PARTS BY WEIGHT OF POLYISOBUTYLENE HAVING A NUMBER AVERAGE MOLECULAR WEIGHT OF 300,000, 20 PARTS BY WEIGHT OF POLYISOBUTYLENE HAVING A NUMBER AVERAGE MOLECULAR WEIGHT OF 8000, 10 PARTS BY WEIGHT OF POLYISOBUTYLENE HAVING A NUMBER AVERAGE MOLECULAR WEIGHT OF 820, 13 PARTS BY WEIGHT OF METHYLCYCLOHEXANE RESIN AND 10 PARTS BY WEIGHT OF PRIMARY OF PARTICLES OF SILICA HAVING A DIAMETER LESS THAN 50 MILLIMICRONS.

Claim 23

A COATING OF A PRESSURE-SENSITIVE ADHESIVE COVERING SAID LIGHT-TRANSMITTING LAYER, THE ORGANIC COMPONENTS OF SAID PRESSURE-SENSITIVE ADHESIVE BEING MISCIBLE WITH SAID LIGHTTRANSMITTING LAYER AND SOLUBLE IN THE SOLVENT CONTAINED WITHIN SAID MICROCAPSULES SO THAT UPON TRANSFER, THE LIGHTTRANSMITTING LAYER AND THE PRESSURE-SENSITIVE ADHESIVE INTERREACTABLE WITH ONE ANOTHER TO PROVIDE, AFTER TRANSFER TO SAID RECEPTOR SURFACES, A STRONG ADHESION TO SAID RECEPTOR SURFACE, PRESSURE APPLICATION TO THE SURFACE OF SAID SHEET OPPOSITE THE SURFACE CARRYING SAID TRANSFERABLE FILM ENABLING THE TRANSFER TO A RECEPTOR SURFACE IN CONTACT WITH SAID FILM THE PORTION OF THE PATTERNS, COMPOSED OF ONE OR MORE OF SAID ELEMENTS OR POINTS, CORRESPONDING TO THE AREA OF APPLIED PRESSURE.

Claim 24

A COATING OF A PRESSURE-SENSITIVE ADHESIVE COVERING SAID LIGHT-TRANSMITTING LAYER, THE ORGANIC COMPONENTS OF SAID PRESSURE-SENSITIVE ADHESIVE BEING MISCIBLE WITH SAID LIGHTTRANSMITTING LAYER AND SOLUBLE IN THE SOLVENT CONTAINED WITHIN SAID MICROCAPSULES SO THAT UPON TRANSFER, THE LIGHTTRANSMITTING LAYER AND THE PRESSURE-SENSITIVE ADHESIVE INTERREACTABLE WITH ONE ANOTHER TO PROVIDE, AFTER TRANSFER TO SAID RECEPTOR SURFACES, A STRONG ADHESION TO SAID RECEPTOR SURFACE, PRESSURE APPLICATION TO THE SURFACE OF SAID SHEET OPPOSITE THE SURFACE CARRYING SAID TRANSFERABLE FILM ENABLING THE TRANSFER TO A RECEPTOR SURFACE IN CONTACT WITH SAID FILM THE PORTION OF THE PATTERNS, COMPOSED OF ONE OR MORE OF SAID ELEMENTS OR POINTS, CORRESPONDING TO THE AREA OF APPLIED PRESSURE.

Claim 25

A transfer sheet as in claim 2, in which the solvent contained in the microcapsules is an aromatic solvent, the first main component of the ink is a chlorinated rubber of viscosity 20 centipoises, the second main component of the ink is a glycerophthalic resin containing 52% of soybean oil, the weight ratio between the first and second main components of the ink being of about 2/3 .

Claim 26

A transfer sheet as in claim 1, in which the microcapsules have a diameter less than 70 microns, are present in a proportion of at least 40% by weight of the light-transmitting film which contains the microcapsules, and their solvent content amounts to at least 85% of their total volume.

Claim 27

A transfer sheet as in claim 1, in which the pressure-sensitive adhesive is soluble in the solvent of the microcapsules at a slower rate than the light-transmitting film which contains the microcapsules, is compatible with said light-transmitting film and is applied as a layer whose thickness does not exceed one-third of that of said light-transmitting film, without taking into account the diameter of the microcapsules contained in said light-transmitting film.

Claim 28

A transfer sheet according to claim 1, in which the temporary support has a surface tension less than 36 dynes/cm, is not soluble in the solvent content of the microcapsules at room temperature and is selected from the group consisting of polyethylene, tetrafluorethylene, polypropylene, polyethylene terephthalate and artificial parchment paper which may be coated with silicone.

Claim 29

A transfer sheet according to claim 1, in wHich the solvent contained in the microcapsules is selected from the group consisting of aromatic, aliphatic and ketone solvents.

Claim 30

The transfer sheet of claim 3 wherein the aromatic solvent is toluene or xylene.

Claim 31

The transfer sheet of claim 4 wherein the aromatic solvent is toluene or xylene.

Claim 32

A PATTERNED TRANSFER SHEET CARRYING ON ONE SURFACE THEREOF A PLURALITY OF ELEMENTS OR POINTS WHICH TOGETHER FORM PATTERNS, SAID PATTERNS, OR ANY SELECTED PORTION OF ONE OR MORE OF SAID PATTERNS, BEING TRANSFERABLE AND ADHERAVLE TO A RECEPTOR SURFACE, COMPRISING

Claim 33

A PATTERNED TRANSFER SHEET CARRYING ON ONE SURFACE THEREOF A PLURALITY OF ELEMENTS OR POINTS WHICH TOGETHER FORM PATTERNS, SAID PATTERNS, OR ANY SELECTED PORTION OF ONE OR MORE OF SAID PATTERNS, BEING TRANSFERABLE AND ADHERAVLE TO A RECEPTOR SURFACE, COMPRISING