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Dulebohn
David H. Dulebohn, Naples, FL US
| Patent application number | Description | Published |
|---|---|---|
| 20120004660 | Multi-component cortical bone assembled implant - An implant composed substantially of cortical bone is provided for use in cervical Smith-Robinson vertebral fusion procedures. The implant is derived from allograft or autograft cortical bone sources, is machined to form a symmetrically or asymmetrically shaped (e.g. a substantially “D”-shaped) implant having a canal running therethrough according to methods of this invention, and inserted into the space between adjacent cervical vertebrae to provide support and induce fusion of the adjacent vertebrae. Osteogenic, osteoinductive or osteoconductive materials may be packed into the canal of the implant to expedite vertebral fusion and to allow autologous bony ingrowth. | 01-05-2012 |
Joel I. Dulebohn, Lansing, MI US
| Patent application number | Description | Published |
|---|---|---|
| 20090112007 | SOLID CATALYST SYSTEM FOR BIODIESEL PRODUCTION - The invention provides efficient, inexpensive, and environmental friendly catalysts and catalyst systems. The catalysts can be used to catalyze esterification and/or transesterification reactions, for example, for the preparation of biodiesel. Kiln dust, such as cement kiln dust (CKD) or lime kiln dust (LKD) can be used to convert a variety of feedstock acids and/or esters to biodiesel in high yield under mild conditions. The CKD and LKD catalyst systems are recyclable esterification or transesterification catalysts that can be used to prepare biodiesel, such as methyl soyate, from various feedstocks, including vegetable oils and animal fats. | 04-30-2009 |
| 20110288210 | Mesoporous Silicate Fire Retardant Compositions - Fire retardant or flame retardant additives are incorporated into thermoplastic, thermoset, and/or elastomeric polymer materials to form polymer compositions having improved fire retardant properties. More particularly, the polymer compositions of the present invention comprise additive compositions which have the effect of improving the FR effectiveness, the additive compositions comprising a mesoporous silicate additive. In addition, the polymer compositions of the present invention comprise additive compositions comprising a mesoporous silicate additive and a filler, wherein the filler is a flame retardant addition, an inert filler, or combinations thereof. | 11-24-2011 |
Joel I. Dulebohn, East Lansing, MI US
| Patent application number | Description | Published |
|---|---|---|
| 20110281993 | Composites Comprising Polymer and Mesoporous Silicate - Surfactant-templated mesoporous silicates and mesoporous layered silicate clays having certain porosity parameters are used as reinforcing agents for polymers to make composites. The combination of porosity parameters that allows mesoporous silicates to be competitive with organoclays for the reinforcement of engineering polymers include an average mesopore size of at least 2 nm, a surface are of more than about 50 square meters per gram, a total pore volume of more than about 0.33 cubic centimeters per gram, wherein at least 20% of the total pore volume is due to mesopores about 2 to about 50 nm. | 11-17-2011 |