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...During the Civil War, the Confederacy established its own Patent Office which issued 266 patents, a third of which concerned implements of war.
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| Number | Title | Issue Date |
| 6025462 | Reflective and conductive star polymers Conductive polymers having a star structure comprising a central core with multiple attachment sites and conjugated charge transporting arms radiating therefrom. The cores are derived from hyperbranched polymers, dendrimers, or other molecules with a mult... | 02/15/2000 |
| 5922183 | Metal oxide matrix biosensors A thin film matrix for biomolecules, suitable for forming electrochemical and biosensors comprising a general class of materials known as hydrous metal oxides which are also conductive or semiconductive of electrons and which have been shown to have excel... | 07/13/1999 |
| 5327281 | Solid polymeric electrolytes for electrochromic devices having reduced acidity and high anodic stability Polymer electrolytes comprising co-polymers of vinylic, protonic acids and N,N' dialkyl substituted acrylamides and methacrylamides with high anodic stability, reduced acidity and high mechanical stiffness suitable for electrochromic devices, such as wind... | 07/05/1994 |
| 5288381 | Method for producing electrochromic material and electro-optical device using same A method for preparing an oxidatively coloring electrochromic layer of composition My CrO2+x (0.33ࣘyࣘ2.0 and xࣘ2) where M=Li, Na or K and an electrochromic devise employing this layer with improved transmittance modulation, imp... | 02/22/1994 |
| 5255067 | Substrate and apparatus for surface enhanced Raman spectroscopy A substrate and apparatus for qualitatively and quantitatively detecting constituents of an environment by surface enhanced Raman spectroscopy. The substrate is composed of two separate phases: an adsorbing phase which has an affinity for the molecular co... | 10/19/1993 |
| 5112127 | Apparatus for measuring Raman spectra over optical fibers A fiber-optic probe which is useful for measuring Raman spectra of samples remote from the light source and detector. The probe head contains optical components which selectively remove unwanted fluorescence and Raman scattering arising from the interacti... | 05/12/1992 |
| 5080471 | Electrochromic material and electro-optical device using same An oxidatively coloring electrochromic layer of composition My CrO2+x (0.33ࣘyࣘ2.0 and xࣘ2) where M=Li, Na or K with improved transmittance modulation, improved thermal and environmental stability, and improved resistance to deg... | 01/14/1992 |
| 5019420 | Process for forming a reduced electrochromic layer in contact with an ion conducting oxide A process, based on sputtering from metal sources, is disclosed for forming a stable, reduced electrochromic layer in contact with an ionically conducting oxide. A deposited electrochromic layer is reduced by sputtering onto it an alloy or composite metal... | 05/28/1991 |
| 4892834 | Chemical sensor A sensor for detecting a chemical substance includes an insertion element having a structure which enables insertion of the chemical substance with a resulting change in the bulk electrical characteristics of the insertion element under conditions suffici... | 01/09/1990 |
| 4889414 | Light modulating device In a device for transmitting light, means for controlling the transmissivity of the device, including a ceramic, reversibly electrochromic, crystalline element having a highly reflective state when injected with electrons and charge compensating ions and ... | 12/26/1989 |
| 4388384 | Photoelectrochemical cell A photoelectrochemical cell comprising a sealed container having a light-transmitting window for admitting light into the container across a light-admitting plane, an electrolyte in the container, a photoelectrode in the container having a light-absorbing... | 06/14/1983 |
