Kevin B Spahr, 691257 Southport Dr, Columbus, OH 43235

6444772, Sep 3, 2002

Oct 28, 1998

09/181456

Vincent D. McGinniss - Sunbury OH
Bhima R. Vijayendran - Upper Arlington OH
Kevin B. Spahr - Worthington OH
Kazuhiko Shibata - Osaka, JP
Takayuki Yamamoto - Osaka, JP

Nitto Denko Corporation - Tokyo

C08F 204

526328, 5263285, 5263297, 526931, 526942

Pressure sensitive adhesive (PSA) polymers, especially low T , high tack, nonpolar and polar polymers useful in formulating PSA can be solubilized or dispersed in a supercritical fluid (SCF), such as liquid CO or supercritical CO , using an organic cosolvent such as toluene. PSA polymers can be polymerized in SCF fluids to make unique adhesive products. Inclusion of a fluorinated reactant in the SCF polymerization process yields a PSA with improved resistance to mineral oil.

6590053, Jul 8, 2003

Sep 26, 2001

09/964096

Vincent D. McGinniss - Sunbury OH
Bhima R. Vijayendran - Upper Arlington OH
Kevin B. Spahr - Worthington OH
Kazuhiko Shibata - Ibaraki, JP
Takayuki Yamamoto - Ibaraki, JP

Nitto Denko Corporation - Tokyo

C08F 2006

5263171, 526328, 526942, 526203, 5263184, 526242

Pressure sensitive adhesive (PSA) polymers, especially low T , high tack, nonpolar and polar polymers useful in formulating PSA can be solubilized or dispersed in a supercritical fluid (SCF), such as liquid CO or supercritical CO , using an organic cosolvent such as toluene. PSA polymers can be polymerized in SCF fluids to make unique adhesive products. Inclusion of a fluorinated reactant in the SCF polymerization process yields a PSA with improved resistance to mineral oil.

6642330, Nov 4, 2003

Sep 26, 2001

09/964091

Vincent D. McGinniss - Sunbury OH
Bhima R. Vijayendran - Upper Arlington OH
Kevin B. Spahr - Worthington OH
Kazuhiko Shibata - Ibaraki, JP
Takayuki Yamamoto - Ibaraki, JP

Nitto Denko Corporation - Tokyo

C08F 1820

526245, 526203, 526942, 526 89, 5263184, 526242

Pressure sensitive adhesive (PSA) polymers, especially low T , high tack, nonpolar and polar polymers useful in formulating PSA can be solubilized or dispersed in a supercritical fluid (SCF), such as liquid CO or supercritical CO , using an organic cosolvent such as toluene. PSA polymers can be polymerized in SCF fluids to make unique adhesive products. Inclusion of a fluorinated reactant in the SCF polymerization process yields a PSA with improved resistance to mineral oil.

7373047, May 13, 2008

Nov 21, 2003

10/719892

David W. Nippa - Dublin OH, US
Steven M. Risser - Reynoldsburg OH, US
Richard W. Ridgway - Westerville OH, US
Tim L. Shortridge - Pataskala OH, US
Vincent McGinniss - Sunbury OH, US
Kevin Spahr - Worthington OH, US

Optimer Photonics, Inc. - Columbus OH

G02F 1/025
G02F 1/313

385 40, 385 2, 385 8

Waveguide devices and schemes for fabricating waveguide devices useful in applications requiring modulation, attenuation, polarization control, and switching of optical signals are provided. In accordance with one embodiment of the present invention, a method of fabricating an integrated optical device is provided. The method comprises the acts of: (i) providing a support wafer defining an electrode support surface; (ii) forming an electrode pattern over the electrode support surface of the support wafer; (iii) forming a non-polymeric buffer layer on at least a portion of the electrode pattern and over at least a portion of the support wafer; (iv) forming a waveguide core material layer over the non-polymeric silica-based buffer layer; (v) removing portions of the core material layer to define a waveguide core; and (vi) positioning a cladding material in optical communication with the waveguide core such that the buffer layer, the cladding material, and the waveguide core define an optically-clad waveguide core.

8148501, Apr 3, 2012

Feb 23, 2009

12/918929

Herman P. Benecke - Columbus OH, US
Bhima R. Vijayendran - Carlsbad CA, US
Kevin B. Spahr - Worthington OH, US

Battelle Memorial Institute - Columbus OH

C08H 1/00

530410, 502400, 502401, 502402, 502403, 502404, 530378, 530370, 530402, 530345, 106645

Absorbent hydrogels are formed by reacting a protein meal base, a radical initiator and a polymerizable monomer. Optionally, a cross-linking agent and/or a radical accelerant, such as tetramethylethylenediamine (TMEDA) or sodium bisulfite (NaHSO), is also added to the mixture. Preferably, the radical initiator is ammonium persulfate (APS) or potassium persulfate (KPS), and the cross-linking agent is preferably trifunctional trimethylolpropane trimethacrylate (TMPTMA) or methylene bis acrylamide (MBA). The polymerizable monomer is preferably acrylic acid, or a combination of acrylic acid and acrylamide. The as-formed hydrogel is washed in order to extract non-reactant components from the gel and then dried. The resultant absorbent and superabsorbent hydrogels have high water uptake ratios, and can be utilized for a variety of applications.

2005004, Feb 24, 2005

Aug 29, 2003

10/651766

Elizabeth Drotleff - Worthington OH, US
Vincent McGinniss - Sunbury OH, US
Steven Risser - Reynoldsburg OH, US
Kevin Spahr - Worthington OH, US

G02B005/23

252586000

Functional optical materials for optical systems that are typically useful in optical waveguides, optical switching systems, optical modulators, optical computing systems and the like. Included are polymer systems and electrooptical chromophores. Polymers are thermoplastic and/or thermosetting polymers and are blended or co-polymerized with the electrooptic chromophore. Methods for improving adhesion promotion for the various novel materials are also provided.

2006010, May 18, 2006

Nov 17, 2005

11/281082

Vincent McGinniss - Sunbury OH, US
Steven Risser - Reynoldsburg OH, US
Kevin Spahr - Worthington OH, US

C07C 17/42

570113000

Disclosed is a series of materials, which exhibit large birefringence under the influence of an applied electric field. These materials are capable of switching this large birefringence with a characteristic time on the order of 1 microsecond or less. In addition, these materials have good optical loss at this wavelength, and are stable under irradiation. These materials are suitable for fabrication of optical devices such a variable optical attenuators, switches, and modulators that respond in these time frames or slower. These materials are also suitable for use across a wide range of wavelengths. As a second component of this invention, some of these novel materials exhibit these desired optical properties (large birefringence, low loss, stability under illumination) at wavelengths as short as about 400 nm. These materials are suitable for fabrication of optical devices operating at or about 405 nm, where conventional EO materials strongly absorb and/or quickly degrade.

2006017, Aug 10, 2006

Feb 6, 2002

10/505041

Elizabeth Drotleff - Worthington OH, US
Vincent McGinniss - Sunbury OH, US
Steven Risser - Reynoldsburg OH, US
Kevin Spahr - Worthington OH, US

F21V 9/00
C07C 245/00
C09B 29/00

252582000, 534843000

The present invention provides both polymer systems and electrooptic (EO) chromophores that form the components of optical devices such as optical switches and other devices useful in an optical waveguide.