Did You Know...
...that the Band-Aid Bandage was invented by a Johnson & Johnson employee whose wife had cut herself? Earl Dickson's wife was rather accident prone, so he set out to develop a bandage that she could apply without help. He placed a small piece of gauze in the center of a small piece of surgical tape, and what we know today as the Band Aid bandage was born!
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| Number | Title | Issue Date |
| 6930586 | Carbon monoxide detector A carbon monoxide (CO) detection unit incorporates a sensor which is a film or layer of NixCo1-xOy where x is from 0.1 to 0.9, e.g., spinel. The CO is detected by measuring the change in the electrical properties of the sensor. The d... | 08/16/2005 |
| 6927063 | Humidity indicators Silica-based carrier impregnated with iron(III) or iron(II) salts functions as a humidity indicator giving a yellow/amber to nearly colourless colour change as the carrier humidifies. ... | 08/09/2005 |
| 6770483 | Determination of multi-valent metal contamination and system for removal of multi-valent metal contaminants from water A test for determining the presence of multi-valent metal contaminants, such as arsenic, mercury and chromium, when present in certain valence states and a system for removal of these contaminants from water. Multi-valent metal salts, for example, Cr+6, w... | 08/03/2004 |
| 6043096 | Device and method for the determination of water A test device and method is described for directly determining the liquid phase water content of organic solvents and indirectly the liquid phase water content of solids. The device and method utilize a reagent composition consisting basically the dried r... | 03/28/2000 |
| 5879943 | Humidity detection method A humidity detection material includes oxide of at least one metal selected from the group consisting of Mg, Ca, Mn, Fe, Co, Ni, and Cu. The metal oxide is preferably in the form of a porous material. The metal oxide is formed preferably in the form of a ... | 03/09/1999 |
| 5468644 | Spectroscopic investigation using organometallic compounds Organometallic compounds such as tricarbonyl-(η4 -1,3-cyclo-hexadiene)lron(O) display an infrared spectrum which varies according to the solvent polarity, pH and similar factors. By comparing the wavenumber position and shape of the peak of a ... | 11/21/1995 |
| 5308771 | Chemical sensors A device for detecting the presence or concentration of an analyte, a method of making the device, and a method of detecting the presence or concentration of an analyte. The invention features one or more supports, such as beads, which carry a thin film o... | 05/03/1994 |
| 5290516 | Moisture indicator A method and product whereby color changing indicator salts such as cobaltous salts, preferably CoCl2 or CoBr2, are firmly adhered to sand, other particulate silicas or other carriers so that unwanted fines, material loss and solvent... | 03/01/1994 |
| 5270209 | Method for distinguishing cosmetic sticks containing water A method and article is provided for distinguishing cosmetic sticks, especially lipsticks, containing water from those where water is absent. The method involves applying a test stick to a test paper or fabric impregnated with an indicator compound capabl... | 12/14/1993 |
| 5231034 | Cupric chloride assay for detection of analytes The invention relates to a spot test method using a cupric chloride solution for detecting analytes in a sample which gives an immediate and distinctly colored reaction characteristic of the analyte. The invention also relates to a kit comprising the cupr... | 07/27/1993 |
| 5071768 | Method and apparatus for refrigerant testing in a closed system A method and apparatus for testing for the presence and concentration of contaminants in a refrigerant. A sample of the refrigerant is withdrawn from a closed refrigeration, air conditioning or similar system and passed through a testing tube. Various sec... | 12/10/1991 |
| 4923806 | Method and apparatus for refrigerant testing in a closed system In a preferred embodiment, refrigerant together with oil, water and any other contaminants is drawn off from a high pressure refrigeration system. The drawn off refrigerant is reduced in pressure and serially, the oil is removed, the water is removed and ... | 05/08/1990 |
| 4643122 | Diffusion controlled security tags A diffusion-controlled security tag comprising a carrier containing a solution of a compound which changes color upon diffusion or evaporation of the solvent. Preferably the carrier is enveloped in a barrier film which controls the rate of diffusion/evapo... | 02/17/1987 |
