...that on Dec. 15, 1836, the Patent Office was completely destroyed by fire? Lost were some 7,000 models, 9,000 drawings, and 230 books plus all records of patent applications and grants.
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| Number | Title | Issue Date |
| 8143064 | Reagents and methods for classifying leukocytes A reagent for classification of leukocytes includes (a) at least two cationic surfactants; (b) at least one organic compound bearing a hydrophobic group and an anionic group; (c) a buffer for adjusting pH into a range of approximately 2-8. Also disclosed is a method... | 03/27/2012 |
| 8067602 | Asymmetric cyanine fluorescent dyes, compositions and their use in staining biological samples Asymmetric cyanine fluorescent dyes are represented by general formula I. These kinds of dyes may be used as a staining agent for nucleic acids, with the spectra at 600-900 nm in the near-infrared region and without interference from background fluorescence. These k... | 11/29/2011 |
| 8029978 | Processing method for the long-term stabilization of biological red blood cell volume The present invention relates to a processing method for long-term stabilization of biological red blood cell volume. The red blood cells can be further used in reference materials and calibrators of a hematology analyzer. The method of the present invention compris... | 10/04/2011 |
| 7709653 | Asymmetric cyanine compounds, their preparation methods and their uses Asymmetric cyanine compounds represented by general formula I are provided, wherein X, n, R1, R2, R3, R4 and Y− are as defined in the specification. They have a maximum absorption peak at about 640 nm which ma... | 05/04/2010 |
| 7659523 | Integrated assembly for delivery of air stream for optical analysis An integrated particle detection apparatus for optical detection of particles in an air stream. The particle detection apparatus includes a scalper for removing large particles from the air stream, a concentrator for separating out small particles and increasing the... | 02/09/2010 |
| 7622136 | Transparent transdermal nicotine delivery devices A transparent transdermal delivery device for delivering nicotine which has an Opacity Index of less than 48.6%. ... | 11/24/2009 |
| 7598385 | Asymmetric cyanine fluorescent dyes The present disclosure provides the asymmetric cyanine fluorescent dyes of formula I in which X, n, R1, R2, R3, R4, R5 and Y− are as defined in the specification. The present disclosure also provide... | 10/06/2009 |
| 7416891 | Reagent and method for classifying leucocytes A reagent for classifying leucocytes, including: a) at least one of surfactant selected from a cationic surfactant, an amphoteric surfactant, and the combination thereof; b) an organic compound having phenyl or heterocyclic group, wherein when the surfactant is a ca... | 08/26/2008 |
| 7413905 | Reagents and methods for classifying leukocytes The present invention relates to a reagent for classifying leukocytes including (a) at least one surfactant capable of lysing erythrocytes and partly damaging the cell membrane of leukocytes, (b) at least one organic compound bearing an anionic group capable of bind... | 08/19/2008 |
| 7390339 | Vortex separator in particle detection systems A particle separation apparatus is disclosed. The particle separation apparatus may be for sample air stream preparation and delivery in particle detection systems. The particle separation apparatus may include a first vortex separator coupled to a second vortex sep... | 06/24/2008 |
| 7242009 | Methods and systems for signal processing in particle detection systems A method for statistically distinguishing between two or more populations, such as between samples containing background and threat particles, is disclosed. According to one embodiment, the method for statistically distinguishing is a method for processing a signal ... | 07/10/2007 |
| 7229429 | Multiple lumen catheter A cylindrical elongate body having proximal and distal ends and enclosing two similar longitudinally extending lumens separated by a septum and a further lumen within the septum. A convergently tapered tip extending from the distal end of the body defines part of th... | 06/12/2007 |
| 7173257 | Integrated assembly for delivery of air stream for optical analysis An integrated particle detection apparatus for optical detection of particles in an air stream. The particle detection apparatus includes a scalper for removing large panicles from the air stream, a concentrator for separating out small particles and increasing the ... | 02/06/2007 |
| 7032265 | Assist device for getting into and out of sitting or prone positions on beds and similar furniture A device for assisting a user in getting into and out of sitting and prone positions on a piece of furniture, like a bed, which has a large base o fit between the mattress and box springs of a bed and that includes a receiving portion and an adjustable handle for th... | 04/25/2006 |