Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Trustees of Princeton University Patents
Assignee:
Trustees of Princeton University
Address:
Princeton, NJ
No. of patents:
47
Patents:




Patent Number Title Of Patent Date Issued
7445798 Populations of cells that express FLK-1 receptors November 4, 2008
Isolated mammalian nucleic acid molecules encoding receptor protein tyrosine kinases expressed in primitive hematopoietic cells and not expressed in mature hematopoietic cells are provided. Also included are the receptors encoded by such nucleic acid molecules; the nucleic acid molec
7373048 Polarization insensitive semiconductor optical amplifier May 13, 2008
A polarization insensitive semiconductor optical amplifier (SOA) is provided. The SOA includes an active waveguide, a passive waveguide, and a taper coupler for coupling optical energy from the passive waveguide into the active waveguide, wherein the taper coupler has width W varying
7352468 Cavity ring-down detection of surface plasmon resonance in an optical fiber resonator April 1, 2008
An apparatus and method for use with a coherent optical source to detect environmental changes. The apparatus comprises: an optical cavity, including an input coupling port, and an optical fiber section; a detector optically coupled to the optical cavity to monitor radiation in the o
7318909 Method and apparatus for enhanced evanescent field exposure in an optical fiber resonator for sp January 15, 2008
An apparatus for detection and measurement of trace species in a gas or liquid sample. A sensor of a ring down cell formed from an optical fiber is exposed to the sample gas or liquid. A coherent source emits radiation into the optical fiber loop, which in turn is received at an output
7276357 Compositions and methods for enhancing polynucleotide amplification reactions October 2, 2007
Compositions and methods for enhancing PCR and other polynucleotide replication reactions are disclosed. These comprise the addition of low molecular weight organic amides, sulfones or sulfoxides to PCR or other replication reaction mixtures.
7255836 Analytical sensitivity enhancement by catalytic transformation August 14, 2007
A device and method for quantifying an impurity in an input gas stream. The device and method employ a catalyst to convert the impurity to a detectable species in an output gas stream, and the concentration of the detectable species is then measured by means of a detector.
7095343 code compression algorithms and architectures for embedded systems August 22, 2006
Code compression techniques and decompression architectures for embedded systems are disclosed, providing good compression ratio while improving decompression time for VLIW instructions and reducing bus power consumption. The invention includes two fixed-to-variable (F2V) length code
7068894 All-optical wavelength converter based on Sagnac interferometer with an SOA at asymmetric positi June 27, 2006
According to at least one embodiment, a system comprises a Sagnac interferometric loop and a semiconductor optical amplifier (SOA) located at an asymmetric position on that loop, wherein the Sagnac interferometric loop and the SOA are operable to perform signal conversion on an input
7058691 System for wireless push and pull based services June 6, 2006
The present invention relates to a method and system for providing Web content from pull and push based services running on Web content providers to mobile users. A proxy gateway connects the mobile users to the Web content providers. A prefetching module is used at the proxy gateway
7046362 Fiber-optic based cavity ring-down spectroscopy apparatus May 16, 2006
An apparatus for detection and measurement of trace species in a gas or liquid sample. A ring down cell formed from a fiber optic ring is exposed to the sample gas or liquid. A coherent source emits radiation into the fiber optic ring, which in turn is received at an output thereof. The
7038450 High sensitivity atomic magnetometer and methods for using same May 2, 2006
The present invention provides a high sensitivity atomic magnetometer and methods of measuring low intensity magnetic fields that relate to the use of an alkali metal vapor and a buffer gas; increasing the magnetic polarization of the alkali metal vapor thereby increasing the sensitivity
6972431 Multilayer organic photodetectors with improved performance December 6, 2005
The present invention generally relates to organic photodetectors. Further, it is directed to an optimized organic photodetector having reduced dark current and high efficiency and response time.
6969707 Peroxynitrite decomposition catalysts and methods of use thereof November 29, 2005
This invention provides a novel class of substituted macrocyclic metallic complexes. The complexes are useful as peroxynitrite decomposition catalysts. Pharmaceutical compositions, and methods of making and using the compounds, or a pharmaceutically acceptable salt, hydrate, prodrug, or
6613565 Use of delta-like protein to inhibit the differentiation of stem cells September 2, 2003
Primitive hematopoietic stem cells are closely associated with discrete in vivo microenvironments. These "niches" are thought to provide the molecular signals that mediate stem cell differentiation and self renewal. We have dissected the fetal liver microenvironment into distinct cellula
6580027 Solar cells using fullerenes June 17, 2003
Organic photosensitive optoelectronic devices are disclosed. The devises comprise photoconductive organic thin films in a heterostructure, which include an exciton blocking layer to enhance device efficiency. The use of fullerenes in the electron conducting layer has lead to devices with
6448239 Peroxynitrite decomposition catalysts and methods of use thereof September 10, 2002
This invention provides a novel class of substituted macrocyclic metallic complexes. The complexes are useful as peroxynitrite decomposition catalysts. Pharmaceutical compositions, and methods of making and using the compounds, or a pharmaceutically acceptable salt, hydrate, prodrug, or
6433715 High-speed serial-to-parallel and analog-to-digital conversion August 13, 2002
An optical-to-electrical converter includes an input port configured to receive an optical signal. The converter further includes a splitter configured to split the received I optical signal into a plurality of optical signals. An optical stage has a plurality of parallel stages, and
6269323 Support vector method for function estimation July 31, 2001
A method for estimating a real function that describes a phenomenon occurring in a space of any dimensionality is disclosed. The function is estimated by taking a series of measurements of the phenomenon being described and using those measurements to construct an expansion that has
6265999 High-speed serial-to-parallel and analog-to-digital conversion July 24, 2001
An optical-to-electrical converter includes an input port configured to receive an optical signal. The converter further includes a splitter configured to split the received optical signal into a plurality of optical signals. An optical stage has a plurality of parallel stages, and e
6172824 Low loss prism retroreflectors for relative index of refraction less than the square root of 2 January 9, 2001
A stable resonator for a ring-down cavity spectroscopy cell having an optic axis. The resonator includes two Brewster's angle retroreflector prisms, at least one prism having greater than two total internal reflection surfaces. The prisms are disposed in alignment along the optic axis of
6172823 Mode matching for cavity ring-down spectroscopy based upon Brewster's angle prism retroreflector January 9, 2001
A stable resonator for a ring-down cavity spectroscopy cell having an optic axis. The resonator includes two Brewster's angle retroreflector prisms, each having a plurality of total internal reflection surfaces, with one of the total internal reflection surfaces of at least one of the pr
6097555 High-finesse optical resonator for cavity ring-down spectroscopy based upon Brewster's angle pri August 1, 2000
A stable resonator for a ring-down cavity spectroscopy cell having an optic axis. The resonator includes two Brewster's angle retroreflector prisms, each having a plurality of total internal reflection surfaces. The prisms are disposed in alignment along the optic axis of the resonator. One
5973864 High-finesse optical resonator for cavity ring-down spectroscopy based upon Brewster's angle pri October 26, 1999
A stable resonator for a ring-down cavity spectroscopy cell having an optic axis. The resonator includes two Brewster's angle retroreflector prisms, each having a plurality of total internal reflection surfaces. The prisms are disposed in alignment along the optic axis of the resonator.
5831864 Design tools for high-level synthesis of a low-power data path November 3, 1998
A computer-aided design tool and associated methods address the problem of high-level behavioral synthesis, useful in the design of semiconductor integrated circuit for minimum power consumption. The tool makes a plurality of types of power reducing changes, and evaluates the results
5795870 Compositions and methods for cell transformation August 18, 1998
The present invention relates to methods and compositions for the transformation of cells. In particular, compositions and methods are disclosed which include combinations of the nucleic acid of interest and polyhydroxylated or polyglycosylated steroid molecules. Most preferably, exo
5792839 Catalytic method of forming a glycosidic linkage August 11, 1998
The invention relates to methods that permit the rapid construction of oligosaccharides and other glycoconjugates. Methods for forming multiple glycosidic linkages in solution in a single step are disclosed. The invention takes advantage of the discovery that the relative reactivity of
5780444 Compositions and methods for cell transformation July 14, 1998
The present invention relates to methods and compositions for the transformation of cells. In particular, compositions and methods are disclosed which include combinations of the nucleic acid of interest and polyhydroxylated or polyglycosylated steroid molecules. Most preferably, exo
5700916 Solution and solid-phase formation of glycosidic linkages December 23, 1997
The invention relates to methods that permit the rapid construction of oligosaccharides and other glycoconjugates. Methods for forming multiple glycosidic linkages in solution in a single step are disclosed. The invention takes advantage of the discovery that the relative reactivity of
5693769 Glycosylated steroid derivatives for transport across biological membranes and process for makin December 2, 1997
Novel glycosylated steroid derivatives for facilitating the transport of compounds across biological membranes, either in admixture or as conjugates, are disclosed. A novel process for efficient synthesis of these glycosylated steroid derivatives, using activated glycosyl sulfoxide i
5627270 Glycosylated steroid derivatives for transport across biological membranes and process for makin May 6, 1997
Novel glycosylated steroid derivatives for facilitating the transport of compounds across biological membranes, either in admixture or as conjugates, are disclosed. A novel process for efficient synthesis of these glycosylated steroid derivatives, using activated glycosyl sulfoxide i
5620848 Methods for detecting mutant p53 April 15, 1997
A panel of probes detects and distinguishes between sets of human p53 gene or protein mutations that frequently occur or are selected for in pre-cancer and cancer cells Each set of mutations gives rise to a phenotype that is different from that of wild-type p53 and of at least one ot
5532385 Catalytic process for the production of maleic anhydride July 2, 1996
The invention relates to vanadium/phosphorus oxide catalyst precursors useful in preparing catalysts useful in the oxidation of hydrocarbons containing 4 carbon atoms to maleic anhydride.
5528040 Ring-down cavity spectroscopy cell using continuous wave excitation for trace species detection June 18, 1996
An apparatus for detection and measurement of trace species in a sample gas. A ring down cavity cell is filled with the sample gas. A continuous wave laser emits radiation, which is directed from the continuous wave laser to the ring down cavity cell where it resonates. A photodetector
5518934 Method of fabricating multiwavelength infrared focal plane array detector May 21, 1996
A multiwavelength local plane array infrared detector is included on a common substrate having formed on its top face a plurality of In.sub.x Ga.sub.1-x As (x.ltoreq.0.53) absorption layers, between each pair of which a plurality of InAs.sub.y P.sub.1-y (y.ltoreq.1) buffer layers are
5493433 Terahertz optical asymmetric demultiplexer February 20, 1996
An optical demultiplexer includes an optical loop having first and second terminals and a mid point. A non-linear optical element is positioned in the loop at a distance .DELTA.x from the mid point. A first coupler is positioned in the loop and has a gating pulse applied which causes a
5479032 Multiwavelength infrared focal plane array detector December 26, 1995
A multiwavelength focal plane array infrared detector is included on a common substrate having formed on its top face a plurality of In.sub.x Ga.sub.1-x As (x.ltoreq.0.53) absorption layers, between each pair of which a plurality of InAs.sub.y P.sub.1-y (y<1) buffer layers are formed
5473071 Process for the preparation of fused pyridine compounds December 5, 1995
Pyrido[2,3-d]pyrimidine compounds are prepared through the reaction of 2,4-diamino-6(1H)-pyrimidone and an activated derivative of a dialdehyde. A typical embodiment utilizes the dinitrile.
5458437 Extraction of non-ionic organic pollutants October 17, 1995
Non-ionic pollutants are removed from the soil by contacting the soil with a mixture of a particulate material having an anionic surfactant absorbed to a magnetic oxide. The surfactant complexes through the anionic charge to the magnetic particle and the non-ionic pollutants partitions i
5398068 Method and apparatus for determining motion vectors for image sequences March 14, 1995
In an image coding system, block based motion estimation is used to determine motion vectors for blocks of pixels in a current frame or field. Only a portion of blocks from a predetermined pattern of blocks in a current frame or field are searched for a match with a block of pixels in
5391887 Method and apparatus for the management of hazardous waste material February 21, 1995
A container for storing hazardous waste material, particularly radioactive waste material, consists of a cylindrical body and lid of precipitation hardened C17510 beryllium-copper alloy, and a channel formed between the mated lid and body for receiving weld filler material of C17200
5344932 N-(pyrrolo(2,3-d)pyrimidin-3-ylacyl)-glutamic acid derivatives September 6, 1994
N-(Acyl)glutamic acid derivatives in which the acyl group is substituted with 4-hydroxypyrrolo[2,3-d]-pyrimidin-3-yl group are antineoplastic agents. A typical embodiment is N-[4-(2-{4-hydroxy-6-aminopyrrolo-[2,3-d]pyrimidin-3-yl}ethyl)benzoyl]-L-g lutamic acid.
5324914 Method and apparatus for welding precipitation hardenable materials June 28, 1994
A method for welding together members consisting of precipitation age hardened materials includes the steps of selecting a weld filler material that has substantially the same composition as the materials being joined, and an age hardening characteristic temperature age threshold below t
5210605 Method and apparatus for determining motion vectors for image sequences May 11, 1993
In an imaging system, block based motion estimation is used to determine motion vectors for blocks of pixels in a current frame or field. Only a portion of blocks from a predetermined pattern of blocks in a current frame or field are searched for a match with a block of pixels in a p
5177774 Reflection soft X-ray microscope and method January 5, 1993
A reflection soft X-ray microscope is provided by generating soft X-ray beams, condensing the X-ray beams to strike a surface of an object at a predetermined angle, and focusing the X-ray beams reflected from the surface onto a detector, for recording an image of the surface or near
5110204 Velocity measurement by the vibrational tagging of diatomic molecules May 5, 1992
First and second relatively high power laser beams are directed into a volume enclosing a flow field of molecules of a molecular species. The beams are focussed to form an overlapping region of the beams in the flow field, for tagging a portion of the associated molecules by driving them
5107202 Fiber optic current monitor for high-voltage applications April 21, 1992
A current monitor which derives its power from the conductor being measured for bidirectionally measuring the magnitude of current (from DC to above 50 khz) flowing through a conductor across which a relatively high level DC voltage is applied, includes a pair of identical transmitter mo
4988190 Absorption line filter window and method for velocity measurements by light scattering January 29, 1991
Velocity is measured by observing velocity-related frequency shifts in light scattered from moving air molecules or particles suspended in moving air, by passing the scattered light through an absorption line filter window gas cell with a notch type attenuation profile as a function of

 
 
  Recently Added Patents
Peptide dimers as agonists of the erythropoietin (EPO) receptor, and associated methods of synthesis and use
Control device for reversing the direction of magnetisation without an external magnetic field
Apparatus for interconnecting a plurality of process nodes by serial bus
System and method for automatic mapping of hypertext input fields to software components
Connective coupling a data interface
Method and apparatus for combining laser light
Data entry method and apparatus
  Randomly Featured Patents
Intake air flow rate measuring apparatus for use in internal combustion engine
Precipitation control
Tear tab for bottle cap
Impact protection of an exhaust sensor
Optical identification and marking system
Hot-melt solid ink composition
Device of a rotary regenerative heat exchanger
Substituted indoles
Playyard system with canopy
CNGH0010 specific polynucleotides, polypeptides, antibodies, compositions, methods and uses