Other

The Chemours Company Fc, LLC

James R Hoover

Dennis J Kountz

Paul Douglas Brothers

John D Stenger-Smith

Donna Lynn Visioli

Ronald A Henry

Geoffrey Andrew Lindsay

John D Fischer

George Martin Pruce

Alan D English

George Spector

George H Forman

Kenneth Joseph Wynne

Andrew P Chafin

Weston Lord

The present invention provides a process for modifying a Li-ion battery having a region of electrochemical activity and an enclosure therefor, said process comprising forming at least one chamber within said enclosure separate from said region of electrochemical activity, positioning combustion abatement agent within said chamber, whereby said combustion abatement agent is not in contact with said region of electrochemical activity, said chamber being pressure or heat sensitive, whereby when said region of electrochemical activity overheats, said chamber is breached, allowing said combustion abatement agent to contact said region of electrochemical activity to abate combustion of said region of electrochemical activity, wherein exemplary of combustion abatement agent is the composition comprising liquid fluoropolyether and exemplary of the of the chamber exhibiting pressure or heat sensitivity is to include a low melting, non-flammable polymer such as polyvinyl alcohol in the material of construction of the chamber.

Li-ion battery having improved safety against combustion

A Li-ion battery is provided in combination with fluorinated material positioned effective to abate combustion by said battery, the fluorinated material being normally non-gaseous and non-liquid and being itself effective to provide the combustion abatement by said battery, such fluorinated material being is such forms as the material of construction of the battery case containing the battery, film wrapped around said battery, and/or semi-solid material at least proximate to the battery, such as by forming a coating on said battery or said film on said battery.

The present invention provides a process comprising for modifying a Li-ion battery having a region of electrochemical activity and an enclosure therefor, said process comprising forming at least one chamber within said enclosure separate from said region of electrochemical activity, positioning combustion abatement agent within said chamber, whereby said combustion abatement agent is not in contact with said region of electrochemical activity, said chamber being pressure or heat sensitive, whereby when said region of electrochemical activity overheats, said chamber is breached, allowing said combustion abatement agent to contact said region of electrochemical activity to abate combustion of said region of electrochemical activity, wherein exemplary of combustion abatement agent is the composition comprising liquid fluoropolyether and exemplary of the of the chamber exhibiting pressure or heat sensitivity is to include a low melting, non-flammable polymer such as polyvinyl alcohol in the material of construction of the chamber.

A changeable grid system kit for constructing three-dimensional toy and scale model designs, including a base component fabricated of a tough, resilient material, slots formed in the top face of the base, and slats which are insertable into the slots. The invention is designed to ensure that there is little or no loss in the tight fit between the slats and the base material after repeated insertion and removal of the slats. The base material is selected so as to avoid fracturing or splintering caused by repeated use or incidental contact. One such material is a closed-cell crosslinked polyethylene foam. In one embodiment of the invention, the base component is placed vertically such that the slats extend from the slots to form quasi-horizontal surfaces. In this orientation the present invention may be used as an educational tool to illustrate such physical principles as gravity, friction, and the like. A ball may be rolled down pathways created by insertion of the slats into the slots in a variety of configurations, thereby illustrating the principles noted and encouraging experimentation by the student.

Changeable grid system kit

The present invention discloses new polymers which can assume an accordion-like conformation of the backbone. These polymers are prepared by the copolymerization of two difuntional, chemically precoupled precursors to chromophoric units. The resulting polymers have a head-to-head, tail-to-tail topology (a syndioregic arrangement of rigid units along the polymer backbone), and the molecular units are designed to fold into an 'accordion' conformation. This useful microstructure (a three-dimensional conformation) forms spontaneously (self-assembles); or, it can be brought about by field-assisted processing. Films and fibers of these polymers have useful second-order nonlinear optical properties, and may be used for the modulation and switching of optical communications signals.

Accordion-like polymers for nonlinear applications

Processible chromophoric polymers having nonlinear optical properties and wherein the chromophore is present in and is a part of the polymer backbone, including substantially all of the monomer or repeat units, with the dipole moments pointing in the same direction (head-to-tail) along the polymer backbone. Such polymers include phenylene, phenylene vinylene, stilbenylene, phenyl piperdine, and coumarin polymers.

Main chain chromophoric polymers with second order nonlinear optical

An emergency scissors for cutting through a jammed seat belt of a motor vehicle is provided in which the blades are blunt tipped to avoid injury to the eyes. The emergency scissors can be carried in a storage sheath that is attached to a dashboard of the motor vehicle. The emergency scissors can also be connected by an L-shaped bracket to a seat belt buckle and be in position to immediately cut through the jammed seat belt after a collision.

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Newark, DE, United States of America

James R Hoover