Patents by Inventor Willem Kools
Willem Kools 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).
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Patent number: 10751669Abstract: The present invention is an integral multilayered composite membrane having at least one ultrafiltration layer made by cocasting or sequentially casting a plurality of polymer solutions onto a support to form a multilayered liquid sheet and immersing the sheet into a liquid coagulation bath to effect phase separation and form a multilayered composite membrane having at least one ultrafiltration layer.Type: GrantFiled: March 12, 2015Date of Patent: August 25, 2020Assignee: EMD MILLIPORE CORPORATIONInventors: Gabriel Tkacik, Philip Goddard, Willem Kools, Nitin Satav
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Patent number: 10118133Abstract: The present invention is an integral multilayered composite membrane having at least one ultrafiltration layer made by cocasting or sequentially casting a plurality of polymer solutions onto a support to form a multilayered liquid sheet and immersing the sheet into a liquid coagulation bath to effect phase separation and form a multilayered composite membrane having at least one ultrafiltration layer.Type: GrantFiled: January 31, 2017Date of Patent: November 6, 2018Assignee: EMD Millipore CorporationInventors: Gabriel Tkacik, Willem Kools, Nitin Satav, Philip Goddard
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Patent number: 9908086Abstract: The present invention is an integral multilayered composite membrane having at least one ultrafiltration layer made by cocasting or sequentially casting a plurality of polymer solutions onto a support to form a multilayered liquid sheet and immersing the sheet into a liquid coagulation bath to effect phase separation and form a multilayered composite membrane having at least one ultrafiltration layer.Type: GrantFiled: March 23, 2015Date of Patent: March 6, 2018Assignee: EMD Millipore CorporationInventors: Gabriel Tkacik, Philip Goddard, Willem Kools, Nitin Satav
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Publication number: 20170136421Abstract: The present invention is an integral multilayered composite membrane having at least one ultrafiltration layer made by cocasting or sequentially casting a plurality of polymer solutions onto a support to form a multilayered liquid sheet and immersing the sheet into a liquid coagulation bath to effect phase separation and form a multilayered composite membrane having at least one ultrafiltration layer.Type: ApplicationFiled: January 31, 2017Publication date: May 18, 2017Inventors: Gabriel Tkacik, Willem Kools, Nitin Satav, Philip Goddard
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Patent number: 9592474Abstract: The present invention is an integral multilayered composite membrane having at least one ultrafiltration layer made by cocasting or sequentially casting a plurality of polymer solutions onto a support to form a multilayered liquid sheet and immersing the sheet into a liquid coagulation bath to effect phase separation and form a multilayered composite membrane having at least one ultrafiltration layer.Type: GrantFiled: February 25, 2014Date of Patent: March 14, 2017Assignee: EMD Millipore CorporationInventors: Gabriel Tkacik, Philip Goddard, Willem Kools, Nitin Satav
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Publication number: 20150258499Abstract: The present invention is an integral multilayered composite membrane having at least one ultrafiltration layer made by cocasting or sequentially casting a plurality of polymer solutions onto a support to form a multilayered liquid sheet and immersing the sheet into a liquid coagulation bath to effect phase separation and form a multilayered composite membrane having at least one ultrafiltration layer.Type: ApplicationFiled: March 23, 2015Publication date: September 17, 2015Inventors: Gabriel Tkacik, Philip Goddard, Willem Kools, Nitin Satav
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Publication number: 20150182913Abstract: The present invention is an integral multilayered composite membrane having at least one ultrafiltration layer made by cocasting or sequentially casting a plurality of polymer solutions onto a support to form a multilayered liquid sheet and immersing the sheet into a liquid coagulation bath to effect phase separation and form a multilayered composite membrane having at least one ultrafiltration layer.Type: ApplicationFiled: March 12, 2015Publication date: July 2, 2015Inventors: Gabriel Tkacik, Philip Goddard, Willem Kools, Nitin Satav
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Patent number: 9010546Abstract: The present invention is an integral multilayered composite membrane having at least one ultrafiltration layer made by cocasting or sequentially casting a plurality of polymer solutions onto a support to form a multilayered liquid sheet and immersing the sheet into a liquid coagulation bath to effect phase separation and form a multilayered composite membrane having at least one ultrafiltration layer.Type: GrantFiled: February 25, 2014Date of Patent: April 21, 2015Assignee: EMD Millipore CorporationInventors: Gabriel Tkacik, Philip Goddard, Willem Kools, Nitin Satav
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Patent number: 9010545Abstract: The present invention is an integral multilayered composite membrane having at least one ultrafiltration layer made by cocasting or sequentially casting a plurality of polymer solutions onto a support to form a multilayered liquid sheet and immersing the sheet into a liquid coagulation bath to effect phase separation and form a multilayered composite membrane having at least one ultrafiltration layer.Type: GrantFiled: December 6, 2011Date of Patent: April 21, 2015Assignee: EMD Millipore CorporationInventors: Gabriel Tkacik, Philip Goddard, Willem Kools, Nitin Satav
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Publication number: 20140221629Abstract: The present invention is an integral multilayered composite membrane having at least one ultrafiltration layer made by cocasting or sequentially casting a plurality of polymer solutions onto a support to form a multilayered liquid sheet and immersing the sheet into a liquid coagulation bath to effect phase separation and form a multilayered composite membrane having at least one ultrafiltration layer.Type: ApplicationFiled: February 25, 2014Publication date: August 7, 2014Applicant: EMD Millipore CorporationInventors: Gabriel Tkacik, Philip Goddard, Willem Kools, Nitin Satav
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Publication number: 20140220246Abstract: The present invention is an integral multilayered composite membrane having at least one ultrafiltration layer made by cocasting or sequentially casting a plurality of polymer solutions onto a support to form a multilayered liquid sheet and immersing the sheet into a liquid coagulation bath to effect phase separation and form a multilayered composite membrane having at least one ultrafiltration layer.Type: ApplicationFiled: February 25, 2014Publication date: August 7, 2014Applicant: EMD Millipore CorporationInventors: Gabriel Tkacik, Philip Goddard, Willem Kools, Nitin Satav
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Patent number: 8292091Abstract: The present invention provides for a method of producing an integral multilayered porous membrane by simultaneously co-casting a plurality of polymer solutions onto a support to form a multilayered liquid sheet and immersing the sheet into a liquid coagulation bath to effect phase separation and form a porous membrane. The support can be a temporary support or form an integrated support for the membrane. The plurality of layers may be of the same polymer or different, same concentration or viscosity or different and may be subjected to the same processing conditions or different ones to form unique structures.Type: GrantFiled: April 12, 2006Date of Patent: October 23, 2012Assignee: EMD Millipore CorporationInventor: Willem Kools
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Patent number: 8292090Abstract: The present invention provides for a method of producing an integral multilayered porous membrane by simultaneously co-casting a plurality of polymer solutions onto a support to form a multilayered liquid sheet and immersing the sheet into a liquid coagulation bath to effect phase separation and form a porous membrane. The support can be a temporary support or form an integrated support for the membrane. The plurality of layers may be of the same polymer or different, same concentration or viscosity or different and may be subjected to the same processing conditions or different ones to form unique structures.Type: GrantFiled: September 29, 2004Date of Patent: October 23, 2012Assignee: EMD Millipore CorporationInventor: Willem Kools
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Patent number: 8181792Abstract: The present invention provides for a method of producing an integral multilayered porous membrane by simultaneously co-casting a plurality of polymer solutions onto a support to form a multilayered liquid sheet and immersing the sheet into a liquid coagulation bath to effect phase separation and form a porous membrane. The support can be a temporary support or form an integrated support for the membrane. The plurality of layers may be of the same polymer or different, same concentration or viscosity or different and may be subjected to the same processing conditions or different ones to form unique structures.Type: GrantFiled: April 20, 2010Date of Patent: May 22, 2012Assignee: EMD Millipore CorporationInventor: Willem Kools
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Publication number: 20120076934Abstract: The present invention is an integral multilayered composite membrane having at least one ultrafiltration layer made by cocasting or sequentially casting a plurality of polymer solutions onto a support to form a multilayered liquid sheet and immersing the sheet into a liquid coagulation bath to effect phase separation and form a multilayered composite membrane having at least one ultrafiltration layer.Type: ApplicationFiled: December 6, 2011Publication date: March 29, 2012Applicant: Millipore CorporationInventors: Gabriel Tkacik, Philip Goddard, Willem Kools, Nitin Satav
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Patent number: 8123992Abstract: The present invention provides for a method of producing an integral multilayered porous membrane by simultaneously co-casting a plurality of polymer solutions onto a support to form a multilayered liquid sheet and immersing the sheet into a liquid coagulation bath to effect phase separation and form a porous membrane. The support can be a temporary support or form an integrated support for the membrane. The plurality of layers may be of the same polymer or different, same concentration or viscosity or different and may be subjected to the same processing conditions or different ones to form unique structures.Type: GrantFiled: April 15, 2003Date of Patent: February 28, 2012Assignee: Millipore CorporationInventor: Willem Kools
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Patent number: 8061532Abstract: The present invention provides for a method of producing an integral multilayered porous membrane by simultaneously co-casting a plurality of polymer solutions onto a support to form a multilayered liquid sheet and immersing the sheet into a liquid coagulation bath to effect phase separation and form a porous membrane. The support can be a temporary support or form an integrated support for the membrane. The plurality of layers may be of the same polymer or different, same concentration or viscosity or different and may be subjected to the same processing conditions or different ones to form unique structures.Type: GrantFiled: April 11, 2006Date of Patent: November 22, 2011Assignee: Millipore CorporationInventor: Willem Kools
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Patent number: 7942274Abstract: A microporous asymmetrical membrane formed of one or more layers wherein the “tight” side of the membrane has an “opened” face or otherwise highly-porous reticulated surface is described. The microporous asymmetrical membrane has high throughput and high flux, even when used for filtering viscous materials, such as serum or plasma. The membrane's surface can be formed by ablation or solvation, or in a two or more layered structure, through an appropriate selection of casting dopes.Type: GrantFiled: December 14, 2006Date of Patent: May 17, 2011Assignee: Millipore CorporationInventors: Willem Kools, Claire Marie Goulding, Daniel Calnan, Timothy Dolan
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Patent number: 7891500Abstract: The present invention provides for a method of producing an integral multilayered porous membrane by simultaneously co-casting a plurality of polymer solutions onto a support to form a multilayered liquid sheet and immersing the sheet into a liquid coagulation bath to effect phase separation and form a porous membrane. The support can be a temporary support or form an integrated support for the membrane. The plurality of layers may be of the same polymer or different, same concentration or viscosity or different and may be subjected to the same processing conditions or different ones to form unique structures.Type: GrantFiled: October 16, 2009Date of Patent: February 22, 2011Assignee: Millipore CorporationInventor: Willem Kools
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Publication number: 20100243556Abstract: A microporous asymmetrical membrane formed of one or more layers wherein the “tight” side of the membrane has an “opened” face or otherwise highly-porous reticulated surface is described. The microporous asymmetrical membrane has high throughput and high flux, even when used for filtering viscous materials, such as serum or plasma. The membrane's surface can be formed by ablation or solvation, or in a two or more layered structure, through an appropriate selection of casting dopes.Type: ApplicationFiled: February 18, 2010Publication date: September 30, 2010Applicant: Millipore CorporationInventors: Willem Kools, Claire Marie Goulding, Daniel Calnan, Timothy Dolan