1
Rakesh Kumar Gupta, Scott Ellery George, Daniel William Klosiewicz, Kab Sik Seo, Coralie McKenna Fleenor, Allen Lynn Crain: Water-dispersible and multicomponent fibers from sulfopolyesters. Eastman Chemical Company, Polly C Owen, Bernard J Graves Jr, March 30, 2010: US07687143 (35 worldwide citation)

Disclosed are multicomponent fibers derived from a blend of a sulfopolyester with a water non-dispersible polymer wherein the as-spun denier is less than about 6 and wherein the water dispersible sulfopolyester exhibits a melt viscosity of less than 12,000 poise measured at 240° C. at a strain rate ...


2
Rakesh Kumar Gupta, George Jurkiewitsch, Lawrence Joseph Logan: Conjugate filaments. Hercules Incorporated, Hazel L Deming, September 19, 1978: US04115620 (27 worldwide citation)

Conjugate filaments which exhibit a high degree of spontaneous crimp and good modulus are described. The filaments comprise at least 2 components, one of which being a blend of polypropylene with 5 to about 50% of certain low molecular weight hard resins derived from hydrocarbons having at least 4 c ...


3
Rakesh Kumar Gupta, Scott Ellery George, Daniel William Klosiewicz, Kab Sik Seo, Coralie McKenna Fleenor, Allen Lynn Crain: Water-dispersible and multicomponent fibers from sulfopolyesters. Eastman Chemical Company, Polly C Owen, Bernard J Graves Jr, February 22, 2011: US07892993 (18 worldwide citation)

Disclosed are multicomponent fibers derived from a blend of a sulfopolyester with a water non-dispersible polymer wherein the as-spun denier is less than about 6 and wherein the water dispersible sulfopolyester exhibits a melt viscosity of less than 12,000 poise measured at 240° C. at a strain rate ...


4
Rakesh Kumar Gupta, Daniel William Klosiewicz, Melvin Glenn Mitchell: Nonwovens produced from multicomponent fibers. Eastman Chemical Company, Polly C Owen, August 20, 2013: US08513147 (16 worldwide citation)

A water non-dispersible polymer microfiber is provided comprising at least one water non-dispersible polymer wherein the water non-dispersible polymer microfiber has an equivalent diameter of less than 5 microns and length of less than 25 millimeters. A process for producing water non-dispersible po ...


5
Rakesh Kumar Gupta, Scott Ellery George, Daniel William Klosiewicz, Kab Sik Seo, Coralie McKenna Fleenor, Allen Lynn Crain: Process of making water-dispersible multicomponent fibers from sulfopolyesters. Eastman Chemical Company, Polly C Owen, September 4, 2012: US08257628 (16 worldwide citation)

Disclosed are multicomponent fibers derived from a blend of a sulfopolyester with a water non-dispersible polymer wherein the as-spun denier is less than about 6 and wherein the water dispersible sulfopolyester exhibits a melt viscosity of less than 12,000 poise measured at 240° C. at a strain rate ...


6
James Dulaney Geiman, Rakesh Kumar Gupta, Randall Earl Kozulla, Richard Jean Legare, Robert Gray MacLellan: Textile structures containing linear low density polyethylene binder fibers. Hercules Incorporated, Mark D Kuller, Joanne W Patterson, December 16, 1997: US05698480 (16 worldwide citation)

A fiber comprising at least about 80% by weight linear low density polyethylene and having a melting point >109.degree. C. is disclosed. Also disclosed are thermally consolidated fiber structures comprising (1) at least about 3% by weight, based on the total weight of the structure, of lower melting ...


7
Rakesh Kumar Gupta, Scott Ellery George, Daniel William Klosiewicz, Kab Sik Seo, Coralie McKenna Fleenor, Allen Lynn Crain: Water-dispersible and multicomponent fibers from sulfopolyesters. Eastman Chemical Company, Polly C Owen, Bernard J Graves Jr, April 3, 2012: US08148278 (13 worldwide citation)

Disclosed are multicomponent fibers derived from a blend of a sulfopolyester with a water non-dispersible polymer wherein the as-spun denier is less than about 6 and wherein the water dispersible sulfopolyester exhibits a melt viscosity of less than 12,000 poise measured at 240° C. at a strain rate ...


8
Rakesh Kumar Gupta, Scott Ellery George, Daniel William Klosiewicz, Kab Sik Seo, Coralie McKenna Fleenor, Allen Lynn Crain: Water-dispersible and multicomponent fibers from sulfopolyesters. Eastman Chemical Company, Polly C Owen, Bernard J Graves Jr, April 24, 2012: US08163385 (12 worldwide citation)

Disclosed are multicomponent fibers derived from a blend of a sulfopolyester with a water non-dispersible polymer wherein the as-spun denier is less than about 6 and wherein the water dispersible sulfopolyester exhibits a melt viscosity of less than 12,000 poise measured at 240° C. at a strain rate ...


9
Rakesh Kumar Gupta, Melvin Glenn Mitchell, Daniel William Klosiewicz: Nonwovens produced from multicomponent fibers. Eastman Chemical Company, Polly C Owen, May 15, 2012: US08178199 (12 worldwide citation)

A water non-dispersible polymer microfiber is provided comprising at least one water non-dispersible polymer wherein the water non-dispersible polymer microfiber has an equivalent diameter of less than 5 microns and length of less than 25 millimeters. A process for producing water non-dispersible po ...


10
Rakesh Kumar Gupta, Allen Lynn Crain, Daniel William Klosiewicz, Scott Ellery George, Kab Sik Seo: Sulfopolyester recovery. Eastman Chemical Company, Polly C Owen, Bernard J Graves Jr, December 22, 2009: US07635745 (12 worldwide citation)

Processes for the recovery of a sulfopolyester polymer from an aqueous dispersion and a sulfopolyester concentrate are provided. Particularly, a sulfopolyester concentrate, from which the sulfopolyester may be recovered and reused, are formed by processes such as evaporation and/or nanofiltration. F ...