# US 4,397,650 A · Textile dyeing process > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 4,397,650 A - Document ID: US4397650A - Status: Granted - Kind: A - Application number: 06/287,580 - Filed: 1981-07-28 - Granted: 1983-08-09 - Earliest claimed: 1978-09-19 - Assignees: United Merchants and Manufacturers, Inc. - Inventors: Razmic S. Gregorian; Chettoor G. Namboodri - Web page: https://patentgrep.com/patent/US4397650A ## CPC - D06P 1/965: {Foam dyeing (mechanical features D06B19/0094)} - D06B 11/0066: {by spaced contacts with a member carrying a single treating material} - D06B 19/0094: {as a foam} - D06B 11/0096: {to get a faded look} - Y10S 8/929: Carpet dyeing - D06P: DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM - D06B: TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS (mechanical treatment of natural fibrous or filamentary material to obtain fibres or filaments D01B) - Y10S: TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS ## Abstract Disclosed herein is a process for coloring textile materials to produce random dyed effects wherein a coloring material is added to a foamed composition either before or after the foamed composition is coated onto a textile. The foam is then collapsed to penetrate the coloring material into the textile, and, finally, the textile is dried and cured or fixed. ## Claims ### Claim 1 A method of coloring textile materials, comprising the steps of: (a) preparing a foamable composition comprised of a liquid and a foaming agent; (b) foaming said composition to a blow ratio of from about 2:1 to about 20:1 to form a foam having a density in the range of from about 0.05 gm/cc to about 0.5 gm/cc; (c) applying said foamed composition to a textile material; and (d) collapsing said foamed composition in contact with the textile material, wherein coloring material is added to said foamed composition of step (b) at a point in the method selected from: (1) prior to application of the foamed composition to the textile material; (2) during application of the foamed composition to the textile material; and (3) after application of the foamed composition to the textile material, the collapsing of the foamed composition, containing coloring material, causing penetration of the coloring material into the textile material. ### Claim 2 (depends on 1) The method of claim 1 used to produce a special coloring effect which includes repeating steps (a) through (d) to apply a second foamed composition, each of said foam compositions being coated on to said textile material in a variegated manner. ### Claim 3 (depends on 1) The method of claim 1 to produce a special coloring effect which includes repeating steps (a) through (d) to apply a second foamed composition, and wherein said first foamed composition including a coloring material therein is coated onto the textile material, and thereafter applying to the textile material, having said first foamed composition previously applied thereto, a second foamed composition without any coloring material therein whereby a cracked ice coloring effect is achieved on said textile material. ### Claim 4 (depends on 1) The method of claim 1 used to produce a special coloring effect on a pile type textile material which includes repeating steps (a) through (d) to apply a second foamed composition and wherein each of said foamed compositions is provided with a coloring material therein, said second applied foam composition being applied by tip coating said piles of said textile material in order to produce a tak dyeing effect. ### Claim 5 A method of coloring textile materials, comprising the steps of: (a) preparing a foamable composition comprised of a liquid and a foaming agent; (b) foaming said composition to a blow ratio of from about 2:1 to about 20:1 to form a foam having a density in the range of from about 0.05 gm/cc to about 0.5 gm/cc; (c) applying said foamed composition to said textile material and thereafter adding a coloring material to said foamed composition; and (d) collapsing said foamed composition containing said coloring material so as to cause penetration of said coloring material into said textile. ### Claim 6 (depends on 5) The method according to claim 5 wherein the so-treated textile resulting from step (d) is thereafter treated to fix the coloring material therein. ### Claim 7 (depends on 5) The method according to claim 5 wherein the coloring material is in the form of a powder, liquid or foam and is sprinkled, sprayed, printed or added drop-wise onto the foamed composition in step (c). ### Claim 8 (depends on 5) The method according to claim 5 wherein said foamable composition of step (a) further comprises a coloring material. ### Claim 9 (depends on 5) The method according to claim 5 wherein the coloring material of step (c) is added to said foamed composition after said foamed composition, applied to said textile material, has been coated to a uniform, predetermined height on the surface of the textile material. ### Claim 10 A method of coloring textile materials, comprising the steps of: (a) preparing a foamable composition comprised of a liquid and a foaming agent; (b) foaming said composition to a blow ratio of from about 2:1 to about 20:1 to form a foam having a density in the range of from about 0.05 gm/cc to about 0.5 gm/cc; (c) applying said foamed composition to a length of said textile travelling under a coating knife so as to establish a rolling bank of foam behind said coating knife; (d) adding a coloring material to said bank of foam; and (e) thereafter collapsing said foamed composition containing said coloring material so as to cause penetration of said coloring material into said textile. ### Claim 11 (depends on 10) The method according to claim 10 wherein the textile resulting from step (e) thereafter is treated to fix the coloring material therein. ### Claim 12 A method of coloring textile materials, comprising the steps of: (a) preparing a foamable composition comprised of a liquid and a foaming agent; (b) foaming said composition to a blow ratio of from about 2:1 to about 20:1 to form a foam having a density in the range of from about 0.05 gm/cc to about 0.5 gm/cc; (c) applying said foamed composition to a length of said textile travelling under a coating knife so as to establish a rolling bank of foam behind said coating knife; (d) adding a coloring material to said bank of foam; (e) coating said foam to a substantially uniform, predetermined height on the surface of the textile material; and (f) collapsing said foamed composition containing said coloring material so as to cause penetration of said coloring material into said textile. ### Claim 13 A method of coloring textile materials, comprising the steps of: (a) preparing a foamable composition comprised of a liquid and a foaming agent; (b) foaming said composition to a blow ratio of from about 2:1 to about 20:1 to form a foam having a density in the range of from about 0.05 gm/cc to about 0.5 gm/cc; (c) applying said foamed composition to said textile material and, during said application, adding a coloring material to said foamed composition; and (d) collapsing said foamed composition containing said coloring material so as to cause penetration of said coloring material into said textile. ### Claim 14 (depends on 13) The method according to claim 13 wherein the so-treated textile resulting from step (d) is thereafter treated to fix the coloring material therein. ### Claim 15 (depends on 13) The method according to claim 13 wherein the coloring material is in the form of a powder, liquid or foam. ### Claim 16 (depends on 15) The method according to claim 15 wherein the coloring material is a liquid and is added drop-wise to the foamed composition in step (c). ### Claim 17 (depends on 13) The method according to claim 13 wherein said foamable composition of step (a) further comprises a coloring material. ### Claim 18 A method of coloring textile materials, comprising the steps of: (a) preparing a foamable composition comprised of a liquid and a foaming agent; (b) foaming said composition to a blow ratio of from about 2:1 to about 20:1 to form a foam having a density in the range of from about 0.05 gm/cc to about 0.5 gm/cc; (c) adding a coloring material to said foamed composition and applying said foamed composition to a textile material; and (d) collapsing said foamed composition containing said coloring material so as to cause penetration of said coloring material into said textile. ### Claim 19 (depends on 18) The method according to claim 18 wherein said textile resulting from step (d) is thereafter treated to fix the coloring material therein. ### Claim 20 (depends on 18) The method according to claim 18 wherein said coloring material added in step (c) is in the form of a powder or liquid and is sprinkled, sprayed or added drop-wise into the foamed composition. ### Claim 21 (depends on 18) The method according to claim 18 wherein said coloring material added in step (c) is itself in the form of a foamed composition. ### Claim 22 (depends on 18) The method according to claim 18 wherein said foamable composition of step (a) further comprises a coloring material.