Patents by Inventor Seref Agzikara

Seref Agzikara has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20260042892
    Abstract: A process of treatment of waste blend textiles comprising polyester fibers and cotton fibres depolymerizes polyester in a controlled environment to obtain treated textile comprising cotton staple fibers suitable to be recycled into cotton yarns.
    Type: Application
    Filed: August 11, 2025
    Publication date: February 12, 2026
    Inventors: Fatih KONUKOGLU, Kenan LOYAN, Gökhan KAPLAN, Gözde ÖKTEM, Agamirze HAMITBEYLI, Sabrettin AKBULUT, Salih DOGANAY, Hüseyin ÇINAR, Yavuz DEDE, Seref AGZIKARA, Hazel UZ
  • Publication number: 20250327216
    Abstract: A yarn comprising a filament core and a staple fiber sheath, said staple fiber sheath is made of, or comprises at least 95% by weight of, a blend of first fibers and second fibers, wherein said first fibers are natural cellulosic fibers and said second fibers are synthetic fibers, characterized in that: the weight ratio of said first fibers to said second fibers is in the range of 65/35 to 35/65, preferably said ratio being in the range 40/60 to 60/40, more preferably about 50/50; wherein the elongation at break of the polyester filaments of the filament core, measured according to DIN ISO 2062, is in the range of 5% to 15%, more preferably between 10% and 12%.
    Type: Application
    Filed: April 19, 2025
    Publication date: October 23, 2025
    Inventors: Fatih KONUKOGLU, Erdogan Baris ÖZDEN, Fatma KORKMAZ, Özden AKMAN, Seref AGZIKARA
  • Patent number: 12286729
    Abstract: A stretchable conductive yarn (1) includes a conductive core (2) of one or more elastic fibers (4-6) and an insulating sheath (3) that covers the conductive core. One or more of the elastic core fibers may be an elastomeric material (4) and may be combined with a less elastic fiber (5, 6) to control the returning properties of the conductive elastic fibers. Also provided are fabrics, garments and various devices formed using the conductive elastic yarns and which can be used to perform various electrical sensing operations to monitor and measure various bodily functions and conditions, or performance of a wearer.
    Type: Grant
    Filed: May 4, 2018
    Date of Patent: April 29, 2025
    Assignee: Sanko Tekstil Iletmeleri San. Ve Tic. A.S.
    Inventors: Erdogan Baris Ozden, Ertug Erkus, Seref Agzikara, Erkan Evran, Ozgur Akdemir, Ozgur Cobanoglu
  • Publication number: 20240352628
    Abstract: A method for producing a yarn comprising the steps of: a. Selecting a filament core, comprising a plurality of polyester filaments, wherein the elongation at break of the polyester filaments of the filament core is in the range of 5% to 15%, more preferably between 10% and 12%, when tested with DIN ISO 2062; b. Selecting a staple fiber sheath, wherein at least 95% of the sheath is made of first staple fibers and second staple fibers, said first staple fibers being recycled cotton fibers, said second staple fibers being regenerated cellulosic fibers; c.
    Type: Application
    Filed: April 19, 2024
    Publication date: October 24, 2024
    Inventors: Fatih Konukoglu, Esref Tuncer, Seref Agzikara, Erdogan Baris Özden, Sedat Demirbüken
  • Publication number: 20240352629
    Abstract: A yarn comprising a filament core and a staple fiber sheath, the staple fiber sheath comprises at least 95% by weight of a blend of first fibers and second fibers. The first fibers are natural cellulosic fibers and the second fibers are regenerated cellulosic fibers, wherein the weight ratio of the first fibers to the second fibers is in the range of 70/30 to 80/20, the weight ratio preferably being about 75/25; the average length of the fibers of the sheath is in the range of 10 to 25 mm, preferably 12 mm to 20 mm; the 5% (n) index of the fibers of the sheath is between 25 mm and 40 mm, more preferably in the range between 28 and 36 mm; the short fiber content SFC(n) of the sheath is between 30% and 70%; and the filament core comprises a plurality of polyester filaments.
    Type: Application
    Filed: April 19, 2024
    Publication date: October 24, 2024
    Inventors: Fatih Konukoglu, Esref Tuncer, Seref Agzikara, Erdogan Baris Özden, Sedat Demirbüken
  • Publication number: 20240270926
    Abstract: A process of treatment of waste blend textiles comprising polyester fibers and cotton fibres depolymerizes polyester in a controlled environment to obtain treated textile comprising cotton staple fibers suitable to be recycled into cotton yarns.
    Type: Application
    Filed: February 13, 2024
    Publication date: August 15, 2024
    Inventors: Fatih KONUKOGLU, Kenan LOYAN, Agamirze HAMITBEYLI, Seref AGZIKARA, Gökhan KAPLAN, Gözde ÖKTEM, Hüseyin ÇINAR, Salih DOGANAY, Yavuz DEDE, Hazel UZ
  • Patent number: 11680182
    Abstract: The present invention relates to an aqueous paste composition for textile coating, comprising: 1-60 parts by weight of at least one material having tensile modulus of at least 2000 MPa, 1-24 parts by weight of at least one antistatic agent, 16-60 parts by weight of at least one binder, and 50-200 parts by weight of water. The invention also relates to a process for producing a coated fabric, to a coated fabric as obtainable trough said process, and to a garment comprising it.
    Type: Grant
    Filed: September 19, 2019
    Date of Patent: June 20, 2023
    Assignee: Sanko Tekstil Isletmeleri San. Ve Tic. A.S.
    Inventors: Ali Kemal Agirman, Gokhan Kaplan, Fatma Korkmaz, Seref Agzikara, Ozgur Cobanoglu, Jitka Eryilmaz, Deniz Iyidogan, Leyla Zengi, Sabrettin Akbulut, Semih Kazanc
  • Patent number: 11485948
    Abstract: The present invention relates to a process for depositing at least a culture of microorganisms to an elongated element, preferably a yarn, comprising the steps of: providing at least a first feeding device comprising at least a first outlet; supplying at least one elongated element to said at least first feeding device; feeding to said first outlet at least a first culture comprising at least one microorganism; dispensing said first culture from said at least first outlet; contacting at least part of said elongated element with said first culture of microorganisms, to provide at least a part of said elongated element with an amount of said first culture of microorganisms.
    Type: Grant
    Filed: June 10, 2019
    Date of Patent: November 1, 2022
    Assignee: Sanko Tekstil Isletmeleri San. Ve Tic. A.S.
    Inventors: Jitka Eryilmaz, Ece Senel, Seref Agzikara, Nejdiye Gunes, Fehim Caglar, Semih Kazanc, Ozgur Cobanoglu
  • Patent number: 11441244
    Abstract: In a stretch yarn (1) comprising a stretchable core (2) covered by an inelastic fibers sheath (3) the stretchable core (2) comprises first and second fibers (4, 5) that have elastic properties, the first fiber (4) is an elastomer and the second fiber (5) is a polyester based (co)polymer, the amount of the second fiber being in the range of 60-90% (w/w) of the total weight of the fibers of the stretchable core (2); the first and second fibers are connected together at least at a plurality of points (P).
    Type: Grant
    Filed: March 11, 2019
    Date of Patent: September 13, 2022
    Assignee: SANKO TEKSTIL ISLETMELERI SAN. VE TIC. A.S.
    Inventors: Seref Agzikara, Mustafa Zeyrek, Hamit Yenici, Mahmut Ozdemir, Kenan Loyan, Esin Kalfa Kilickan
  • Patent number: 11243642
    Abstract: It is disclosed a capacitive touch sensor (10) comprising a support layer (1) and a plurality of sensing elongated elements (2) coupled to said support layer (1), said plurality of sensing elongated elements (2) comprising a plurality of electrically resistive elongated elements (2r), wherein said plurality of electrically resistive elongated elements (2r) comprises a first set (2rx) of electrically resistive elongated elements (2r) electrically connected to a first common node (Nx) configured to be electrically connected to a first input (INx) of a detection device (5), said detection device (5) being configured to provide an output signal (S_OUT) comprising a first output value (OUTx) that is a function of the capacitance value (CRx) of said first set (2rx) of electrically resistive elongated elements (2r). An article comprising the capacitive touch sensor (10) and a method for detecting a touch event on a support layer (1) are also disclosed.
    Type: Grant
    Filed: September 24, 2019
    Date of Patent: February 8, 2022
    Assignee: Sanko Tekstil Isletmeleri San. Ve Tic. A.S.
    Inventors: Ozgur Cobanoglu, Ertug Erkus, Seref Agzikara, Fehim Caglar, Deniz Iyidogan, Semih Kazanc
  • Patent number: 10754486
    Abstract: It is disclosed a composite yarn (1) comprising an electrically conductive yarn (2) and an electrically resistive yarn (3), wherein said electrically conductive yarn (2) is coupled to said electrically resistive yarn (3), and wherein the electrically conductive yarn (2) is electrically insulated from the electrically resistive yarn (3). It is further disclosed a touch sensor (10) comprising at least one composite yarn (1) according to anyone of the previous claims, and a detection device (5) configured to evaluate the capacitance values (CR, CC) of the electrically resistive yarn (3) and of the electrically conductive yarn (2) of said composite yarn (1), said detection device (5) being configured to calculate the ratio (CR/CC) between said capacitance values (CR, CC) of the electrically resistive yarn (3) and of the electrically conductive yarn (2) and to provide an output signal (SOUT) indicative of the location of a touch event along said composite yarn (1) in function of said ratio (CR/CC).
    Type: Grant
    Filed: May 15, 2019
    Date of Patent: August 25, 2020
    Assignee: Sanko Tekstil Isletmeleri San. Ve Tic. A.S.
    Inventors: Ozgur Cobanoglu, Fehim Caglar, Semih Kazanc, Deniz Iyidogan, Seref Agzikara, Ertug Erkus, Erkan Evran, Nafiz Eren, Onur Birkan Oguz, Nurullah Selcuk
  • Publication number: 20200095451
    Abstract: The present invention relates to an aqueous paste composition for textile coating, comprising: 1-60 parts by weight of at least one material having tensile modulus of at least 2000 MPa, 1-24 parts by weight of at least one antistatic agent, 16-60 parts by weight of at least one binder, and 50-200 parts by weight of water. The invention also relates to a process for producing a coated fabric, to a coated fabric as obtainable trough said process, and to a garment comprising it.
    Type: Application
    Filed: September 19, 2019
    Publication date: March 26, 2020
    Inventors: Ali Kemal AGIRMAN, Gokhan Kaplan, Fatma Korkmaz, Seref Agzikara, Ozgur Cobanoglu, Jitka Eryilmaz, Deniz Iyidogan, Leyla Zengi, Sabrettin Akbulut, Semih Kazanc
  • Publication number: 20200097109
    Abstract: It is disclosed a capacitive touch sensor (10) comprising a support layer (1) and a plurality of sensing elongated elements (2) coupled to said support layer (1), said plurality of sensing elongated elements (2) comprising a plurality of electrically resistive elongated elements (2r), wherein said plurality of electrically resistive elongated elements (2r) comprises a first set (2rx) of electrically resistive elongated elements (2r) electrically connected to a first common node (Nx) configured to be electrically connected to a first input (INx) of a detection device (5), said detection device (5) being configured to provide an output signal (S_OUT) comprising a first output value (OUTx) that is a function of the capacitance value (CRx) of said first set (2rx) of electrically resistive elongated elements (2r). An article comprising the capacitive touch sensor (10) and a method for detecting a touch event on a support layer (1) are also disclosed.
    Type: Application
    Filed: September 24, 2019
    Publication date: March 26, 2020
    Inventors: Ozgur COBANOGLU, Ertug ERKUS, Seref AGZIKARA, Fehim CAGLAR, Deniz IYIDOGAN, Semih KAZANC
  • Publication number: 20200063296
    Abstract: A stretchable conductive yarn (1) includes a conductive core (2) of one or more elastic fibers (4-6) and an insulating sheath (3) that covers the conductive core. One or more of the elastic core fibers may be an elastomeric material (4) and may be combined with a less elastic fiber (5, 6) to control the returning properties of the conductive elastic fibers. Also provided are fabrics, garments and various devices formed using the conductive elastic yarns and which can be used to perform various electrical sensing operations to monitor and measure various bodily functions and conditions, or performance of a wearer.
    Type: Application
    Filed: May 4, 2018
    Publication date: February 27, 2020
    Inventors: Erdogan Baris OZDEN, Ertug ERKUS, Seref AGZIKARA, Erkan EVRAN, Ozgur AKDEMIR, Ozgur COBANOGLU
  • Publication number: 20200056307
    Abstract: A yarn (1) having a core (2) and a sheath (3), preferably comprising staple fibers, said core comprising at least one polymeric core fiber (21), preferably a plurality of polymeric core fibers (21), wherein the amount of the core fibers (21) is at least 35% by weight of the total weight of the yarn (1) and said core (2) and said sheath (3) are spun together.
    Type: Application
    Filed: July 29, 2019
    Publication date: February 20, 2020
    Inventors: Fatih KONUKOGLU, Erdogan Baris ÖZDEN, Seref AGZIKARA, Ertug ERKUs, Mustafa ZEYREK, Esref TUNCER, Sedat DEMIRBÜKEN, Erkan EVRAN
  • Publication number: 20200032427
    Abstract: A composite yarn (1) having a core (2) and a sheath (3), preferably comprising staple fibers (3a), said core (2) comprising at least one polymeric core fiber (21), preferably a plurality of core fibers (21), made of polymeric material, wherein the total amount of the core fibers (21) is at least 35% by weight of the total weight of the composite yarn (1), and wherein the core fiber (21) and the sheath (3) are spun together.
    Type: Application
    Filed: July 29, 2019
    Publication date: January 30, 2020
    Inventors: Fatih Konukoglu, Erdogan Baris ÖZDEN, Seref Agzikara, Ertug Erkus, Mustafa ZEYREK, Esref Tuncer, Sedat Demirbüken, Erkan Evran
  • Publication number: 20190376017
    Abstract: The present invention relates to a process for depositing at least a culture of microorganisms to an elongated element, preferably a yarn, comprising the steps of: providing at least a first feeding device comprising at least a first outlet; supplying at least one elongated element to said at least first feeding device; feeding to said first outlet at least a first culture comprising at least one microorganism; dispensing said first culture from said at least first outlet; contacting at least part of said elongated element with said first culture of microorganisms, to provide at least a part of said elongated element with an amount of said first culture of microorganisms.
    Type: Application
    Filed: June 10, 2019
    Publication date: December 12, 2019
    Inventors: Jitka ERYILMAZ, Ece SENEL, Seref AGZIKARA, Nejdiye GUNES, Fehim CAGLAR, Semih KAZANC, Ozgur COBANOGLU
  • Publication number: 20190354242
    Abstract: It is disclosed a composite yarn (1) comprising an electrically conductive yarn (2) and an electrically resistive yarn (3), wherein said electrically conductive yarn (2) is coupled to said electrically resistive yarn (3), and wherein the electrically conductive yarn (2) is electrically insulated from the electrically resistive yarn (3). It is further disclosed a touch sensor (10) comprising at least one composite yarn (1) according to anyone of the previous claims, and a detection device (5) configured to evaluate the capacitance values (CR, CC) of the electrically resistive yarn (3) and of the electrically conductive yarn (2) of said composite yarn (1), said detection device (5) being configured to calculate the ratio (CR/CC) between said capacitance values (CR, CC) of the electrically resistive yarn (3) and of the electrically conductive yarn (2) and to provide an output signal (SOUT) indicative of the location of a touch event along said composite yarn (1) in function of said ratio (CR/CC).
    Type: Application
    Filed: May 15, 2019
    Publication date: November 21, 2019
    Inventors: Ozgur COBANOGLU, Fehim CAGLAR, Semih KAZANC, Deniz IYIDOGAN, Seref AGZIKARA, Ertug ERKUS, Erkan EVRAN, Nafiz EREN, Onur Birkan OGUZ, Nurullah SELCUK
  • Publication number: 20190203385
    Abstract: In a stretch yarn (1) comprising a stretchable core (2) covered by an inelastic fibers sheath (3) the stretchable core (2) comprises first and second fibers (4, 5) that have elastic properties, the first fiber (4) is an elastomer and the second fiber (5) is a polyester based (co)polymer, the amount of the second fiber being in the range of 60-90% (w/w) of the total weight of the fibers of the stretchable core (2); the first and second fibers are connected together at least at a plurality of points (P).
    Type: Application
    Filed: March 11, 2019
    Publication date: July 4, 2019
    Applicant: SANKO TEKSTIL ISLETMELERI SAN. VE TIC. A.S.
    Inventors: Seref AGZIKARA, Mustafa ZEYREK, Hamit YENICI, Mahmut OZDEMIR, Kenan LOYAN, Esin KALFA KILICKAN
  • Patent number: 10260175
    Abstract: In a stretch yarn (1) comprising a stretchable core (2) covered by an inelastic fibers sheath (3) the stretchable core (2) comprises first and second fibers (4, 5) that have elastic properties, the first fiber (4) is an elastomer and the second fiber (5) is a polyester based (co)polymer, the amount of the second fiber being in the range of 60-90% (w/w) of the total weight of the fibers of the stretchable core (2); the first and second fibers are connected together at least at a plurality of points (P).
    Type: Grant
    Filed: November 14, 2011
    Date of Patent: April 16, 2019
    Assignee: SANKO TEKSTIL ISLETMELERI SAN. VE TIC. A.S.
    Inventors: Seref Agzikara, Mustafa Zeyrek, Hamit Yenici, Mahmut Ozdemir, Kenan Loyan, Esin Kalfa Kilickan