Rosalyn Borofsky Ritts

20030031911, Feb 13, 2003

Aug 7, 2002

10/213530

Rosalyn Ritts - Princeton NJ, US
Hoi-Cheong Sun - Dayton NJ, US

H01M008/10
C08J005/22
H01M008/02

429/033000, 521/027000, 429/030000

The present invention relates to a biocompatible membrane, solutions useful for producing biocompatible membranes and fuel cells in which compatible membranes in accordance with the invention may be used. The biocompatible membranes are produced from a synthetic polymer material which can include a polymer, copolymer or block copolymer with the proviso that when a synthetic copolymer material includes at least one block copolymer it also includes at least one polymer or copolymer. The membranes also include a polypeptide.

20030049511, Mar 13, 2003

Aug 7, 2002

10/213477

Rosalyn Ritts - Princeton NJ, US
Hoi-Cheong Sun - Dayton NJ, US

H01M008/10
C08J005/22

429/033000, 521/027000

The present invention relates to a stabilized biocompatible membrane, solutions useful for producing a stabilized biocompatible membrane and fuel cells which can be produced using a stabilized biocompatible membrane in accordance with the present invention. Biocompatible membranes are produced from synthetic polymer materials which include at least one stabilizing polymer and at least one polypeptide.

20030087144, May 8, 2003

Apr 15, 2002

10/123020

Hoi-Cheong Steve Sun - Dayton NJ, US
Richard Whipple - Raritan NJ, US
Rosalyn Ritts - Princeton NJ, US
Steven Lipp - West Windsor NJ, US
Yongchi Tian - Princeton NJ, US
Susan Klatskin - Lawrenceville NJ, US
Grzegorz Kaganowicz - Belle Mead NJ, US

H01M004/90
H01M008/10

429/043000, 429/033000, 429/044000

Additionally provided is a fuel cell with an anode compartment, a cathode compartment and a barrier separating the anode compartment from the cathode compartment but effective to convey protons from the anode compartment to the cathode compartment, comprising in the anode compartment, one or more anode electrodes and, one or more dehydrogenase enzymes effective to transfer electrons from a C1 compound to electron carrier(s), wherein one or more of the said enzyme(s) are covalently linked to surface(s) within the anode compartment. Also provided is a fuel cell with an anode compartment, a cathode compartment and a barrier separating the anode compartment from the cathode compartment but effective to convey protons from the anode compartment to the cathode compartment, comprising in the anode compartment, one or more anode electrodes and, one or more dehydrogenase enzymes effective to transfer electrons from a C1 compound to electron carrier(s), wherein one or more of the said enzyme(s) are covalently linked to a polymer matrix within the anode compartment. When the dehydrogenase enzymes are covalently linked within the anode compartment, useful surfaces include: the anode/cathode barrier, one or more of the anode electrodes, beads or gels in the anode compartment, anode walls and fuel feeding membrane(s).

20030113606, Jun 19, 2003

Aug 7, 2002

10/213504

Rosalyn Ritts - Princeton NJ, US
Hoi-Cheong Sun - Dayton NJ, US
Richard Whipple - Raritan NJ, US
Steven Lipp - West Windsor NJ, US
Susan Klatskin - Lawrenceville NJ, US
Mary Ippolito - Lawrenceville NJ, US
Grzegorz Kaganowicz - Belle Mead NJ, US

H01M008/10
H01M004/60
H01M004/90

429/033000, 429/213000, 429/043000

The present invention relates to a biocompatible membrane, solutions useful for producing a biocompatible membrane and fuel cells which can utilize biocompatible membranes produced from a synthetic polymer material consisting of at least one block copolymer and optionally at least one additive and a polypeptide.

20030129469, Jul 10, 2003

Apr 15, 2002

10/123039

Hoi-Cheong Sun - Dayton NJ, US
Peter Coyle - Newtown PA, US
Rosalyn Ritts - Princeton NJ, US
Steven Lipp - West Windsor NJ, US
Richard Whipple - Raritan NJ, US
Grzegorz Kaganowicz - Belle Mead NJ, US

H01M008/02
H01M008/10

429/034000, 429/030000, 429/013000

Also provided is a fuel cell system comprising (1) a fuel cell with an anode compartment and a cathode compartment adapted to operate with a least one liquid consumable comprising (i) a liquid fuel composition or (ii) liquid electron acceptor composition, and: (2) one or both of (a) a fuel reservoir comprising liquid fuel composition separated from the anode compartment by a porous membrane that is selected to not be wetted by either the liquid fuel composition or a solvent/solution with which the anode chamber is adapted to operate or (b) a liquid fuel composition reservoir separated from the cathode compartment by a porous membrane that is selected to not be wetted by either the liquid fuel composition or a composition with which the cathode chamber is adapted to operate.

20030198859, Oct 23, 2003

Apr 15, 2002

10/123022

Rosalyn Ritts - Princeton NJ, US
Hoi-Cheong Sun - Dayton NJ, US
Richard Whipple - Raritan NJ, US
Steven Lipp - West Windsor NJ, US
Susan Klatskin - Lawrenceville NJ, US
Mary Ippolito - Lawrenceville NJ, US
Grzegorz Kaganowicz - Belle Mead NJ, US
Michael Liberatore - Jersey City NJ, US

H01M004/90
H01M008/10

429/043000, 429/044000, 429/013000, 429/033000

In one embodiment, provided is a fuel cell with an anode compartment and a cathode compartment comprising: in the anode compartment, an anode electrode and one or more dehydrogenase enzymes effective to transfer electrons from a C1 compound comprising carbon, oxygen and hydrogen (optionally consisting of carbon, oxygen and hydrogen) to electron carrier(s), and wherein or further comprising one of the following: (i) the electron carrier(s) are selected to operate with the dehydrogenase enzymes and to be effective to deliver electrons to the anode electrode, (ii) the electron carrier(s) are selected to operate with the dehydrogenase enzymes and to be effective to deliver electrons to electron transfer mediator(s) selected to be effective to deliver electrons to the anode electrode, wherein the anode compartment further comprises the electron transfer mediator(s), (iii) the electron carrier(s) are selected to operate with the dehydrogenase enzymes and to be effective to deliver electrons to a redox enzyme, the redox enzyme is selected to be effective to deliver electrons to second electron carrier(s), the second electron carrier(s) selected to be effective to deliver electrons to electron transfer mediator(s) selected to be effective to deliver the electrons to the anode electrode, wherein the anode compartment further comprises the redox enzyme, second electron carrier(s) and electron transfer mediator(s); in the cathode compartment, a cathode electrode which, when a conductive pathway to the first electrode is formed, is effective to convey the electrons to an electron acceptor composition in the cathode compartment; and a barrier separating the anode compartment from the cathode compartment but effective to convey protons from the anode compartment to the cathode compartment.

20030222203, Dec 4, 2003

Apr 4, 2003

10/407017

Hoi-Cheong Sun - Dayton NJ, US
Rosalyn Ritts - Princeton NJ, US

PowerZyme, Inc. - Monmouth Junction NJ

H01L031/00

250/214100

A light sensor and method of detecting light using the light sensor are provided. The light sensor includes a container having an anode compartment and a cathode compartment. The anode compartment has an anode and the cathode compartment has a cathode. The container also includes a transparent portion that allows light into the anode compartment. A membrane separates the anode compartment and the cathode compartment. The membrane is able to allow protons to pass from the anode compartment to the cathode compartment. The anode compartment includes a photon-converting compound (“PCC”) for generating electrons by reaction with light. Also included are an imaging device and a method of using the imaging device.

20030228681, Dec 11, 2003

Apr 4, 2003

10/407794

Rosalyn Ritts - Princeton NJ, US
Hoi-Cheong Sun - Dayton NJ, US

PowerZyme, Inc. - Monmouth Junction NJ

C12M001/34

435/287200

The present invention relates to analyte sensors including a first compartment adapted for introduction of a sample potentially containing the targeted analyte, and a second compartment separated from the first compartment by a barrier, wherein the analyte interacts with a component in the first compartment, or a polypeptide associated with the barrier, resulting in the transport of a species across the barrier, the transported species or a derivative thereof being detected by a detector, thereby indicating the presence of the analyte.