U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Bizarre Patents

Patent No. 5926857

Armor With Rollers

An armor with rollers is provided that enables a user to move in all positions by rolling on a hard and smooth surface while constantly varying his bearing points on the ground.

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 435/269 - Treating blood fraction


Subclass of Class 435 - Chemistry: molecular biology and microbiology
Definition: Processes wherein the preexisting material is blood or a
No. of patents: 67
Last issue date: 01/29/2008


1    
NumberTitleIssue Date
7323315Method for reducing effect of hematocrit on measurement of an analyte in whole blood
A method for determining the presence and/or amount of an analyte in a sample of whole blood comprises the step of treating the sample with a nonlytic hypertonic salt composition to reduce the hematocrit by reducing the size of the red blood cells. In optical detect...
01/29/2008
7139666Method for identifying or characterizing properties of polymeric units
The invention relates to methods of identifying and characterizing properties of polymers to provide information about the polymer such as the charge of the polymer, the number and types or characteristics of units of the polymer and the sequence of the polymers. Th...
11/21/2006
7056504Rationally designed heparinases derived from heparinase I and II
Modified heparinases having altered binding specificity and activity are provided. Isolated nucleic acids encoding the same as well as vectors and host cells are provided. Methods for using the modified heparinases are also provided. ...
06/06/2006
7029906Carbonyl stress-ameliorating agents
Carbonyl stress-ameliorating agents have been provided, which contain an enzyme having a glyoxalase I activity and a carbonyl compound-reducing agent as the active ingredients. The carbonyl stress-ameliorating agents of the present invention rapidly eliminate carbon...
04/18/2006
7026131Methods and apparatus for blood typing with optical bio-discs
This invention relates to clinical diagnostic assays, related optical bio-discs, and a disc-reading apparatus. The invention is directed to methods and apparatuses for performing immunohematology assays using an optical bio-disc analysis system. The invention is fur...
04/11/2006
7005502Pharmaceutical preparation comprising vWF propeptide
Described is a pharmaceutical preparation for treating blood coagulation disorders comprising an effective amount of vWf propeptide as well as a method for producing such a prepartion. ...
02/28/2006
6972041Bone xenografts
The invention provides an article of manufacture comprising a substantially non-immunogenic bone xenograft for implantation into humans. The invention further provides a method for preparing a bone xenograft by removing at least a portion of a bone from a non-human ...
12/06/2005
6969367Extracorporeal pathogen reduction system
The invention relates to an apparatus system and methods for treatment of virus-infected or pathogen-loaded human blood components separated from normal components comprising a separation apparatus and treatment apparatus system that inactivate pathogens in an extra...
11/29/2005
6947849Method for identifying or characterizing properties of polymeric units
The invention relates to methods of identifying and characterizing properties of polymers to provide information about the polymer such as the charge of the polymer, the number and types or characteristics of units of the polymer and the sequence of the polymers. Th...
09/20/2005
6942879Bioartificial filtration device for filtering blood to mimic kidney function
A novel cell seeded hollow fiber bioreactor is described as a potential bioartificial kidney. Endothelial cells along with pericyte, vascular smooth muscle, and/or mesangial cells or any mesenchymally derived support cells are seeded along a hollow fiber in a perfus...
09/13/2005
6767723Method for synthesis of nucleic acids
An object of the present invention is to provide a method of treatment and a method of storage that are useful in conducting a nucleic acid synthesis procedure capable of directly amplifying an intended nucleic acid in a living body-derived sample without purificati...
07/27/2004
6709655Pharmaceutical composition of F(ab1)2 antibody fragments and a process for the preparation thereof
The present invention is directed to a pharmaceutical composition comprising F(ab′)2 antibody fragments that are preferably free from albumin and of whole antibodies and also substantially free of pyrogens, and an effective amount of a pharmaceutically ...
03/23/2004
6576447Method for synthesis of nucleic acids
An object of the present invention is to provide a novel method for suppressing the action of nucleic acid synthesis inhibitory substances and thereby amplifying a nucleic acid in a sample efficiently. According to the present invention, in a method for synthe...
06/10/2003
6475478Adsorbent, adsorbing and removing process and adsorber for endogenous cannabinoid
There are provided an adsorbent which can effectively adsorb and remove endogenous cannabinoid in fluid, and a process for removing endogenous cannabinoid in fluid by means of the adsorbent. The adsorbent of endogenous cannabinoid is obtained by fixing a ...
11/05/2002
6297371Process for the preparation of endotoxin-free or endotoxin-depleted nucleic acids and/or oligonucleotides for gene therapy
A process for the isolation and purification of nucleic acids and/or oligonucleotides for use in gene therapy wherein said nucleic acids and/or oligonucleotides are isolated or purified from an essentially biological source, characterized in that said ess...
10/02/2001
6218101Enzymatic method for removal of cryoprotectants from cryopreserved animal cells
A method to remove cryoprotectants from cryopreserved biological cells and tissues is described. Enzymes are used to convert compounds used as cryoprotectants for cells during cryopreservation to membrane impermeable products. This process effectively rem...
04/17/2001
6187553Method of using additive formulation and method for making a tube with an additive formulation
An additive formulation comprising heparinase and trehalose, a method for using the formulation and a device containing the formulation. The additive formulation is useful in substantially neutralizing residual heparin from a blood sample when used in a b...
02/13/2001
6121428Protein recovery
The invention herein provides a method for recovering a polypeptide comprising exposing a composition comprising a polypeptide to a reagent which binds to, or modifies, the polypeptide, wherein the reagent is immobilized on a solid phase; and then passing...
09/19/2000
6107455Removal of protein from natural rubber latex articles
A method for lowering the extractable protein content in a natural rubber latex to below 30 parts per million (ppm) comprises the steps of treating by washing a rubber article, such as a rubber glove, with an aqueous solution containing a soluble silicate...
08/22/2000
5939259Methods and devices for collecting and storing clinical samples for genetic analysis
The present invention relates to devices and methods for the collection, storage, and purification of nucleic acids, such as DNA or RNA, from fluid samples for subsequent genetic characterization, primarily by conventional amplification methods. The prese...
08/17/1999
5910422Stable single liquid alpha-amylase reagent
A stable, single liquid alpha-amylase assay reagent comprises a polysaccharide or long chain oligosaccharide substrate for alpha-amylase having an optically detectable label bonded to the reducing end glucose, by a bond cleavable by alpha- or beta-glucosi...
06/08/1999
5866317Method for collecting hemolymph of insects
The present invention herein provides a method for collecting insect hemolymph which permits the collection of hemolymph, at a time, from a vast number of insect bodies, which does not cause any scattering of the hemolymph during collection thereof, which...
02/02/1999
5770104Detergent compositions containing substantially pure EG III cellulase
Disclosed are detergent compositions containing a cleaning effective amount of a surfactant or a mixture of surfactants and from about 0.01 to about 5 weight percent of substantially pure EG III cellulase. Preferably, the detergent composition contains no...
06/23/1998
5747663Process for the depletion or removal of endotoxins
A process is disclosed for reducing or removing endotoxins from compositions containing therapeutic active substances extracted from natural sources by genetic engineering and/or biotechnology. For that purpose, the compositions are treated with chromatog...
05/05/1998
5665762Decontaminating clinical samples
The present invention contemplates methods of decontaminating human fluids prior to processing in the clinical laboratory. The techniques handle large volumes of human serum without impairing the testing results. Novel compounds for photodecontaminating b...
09/09/1997
5633130Buffer system for increasing seroconversion efficiency
A method of increasing efficiency of deantigenation of blood group epitopes on erythrocytes (seroconversion) by exoglycosidases utilizing a step of performing the deantigenation in a zwitterionic buffer. The method provides a buffer system and exoglycosid...
05/27/1997
5629198Anti-HIV agent
The invention relates to an anti-HIV agent comprising, as an active ingredient, at least one porphyrin derivative selected from the following derivatives (A) and (B): (A) porphyrins modified with a compound selected from carbodiimides, alkylenediamines an...
05/13/1997
5543115Specimen handling device
This invention relates to a specimen handling device for collecting, storing, processing and dispensing of samples. The invention provides for the collection of specimens from any solid or semi-solid material, including biological samples, food samples, w...
08/06/1996
5501963Amplification and detection of nucleic acids in blood samples
This invention relates to a process for the amplification of nucleic acids in the form of DNA or RNA from blood samples by means of an enzymatic amplification method, characterized in that no preparation of the blood sample otherwise necessary to prepurif...
03/26/1996
5324628Use of chymotrypsin for the inactivation of prekallikrein activator
In order to avoid the risk of undesired side reactions of blood products, the latter are produced from plasma by using chymotrypsin to inactivate prekallikrein activator. These preparations are obtained by the fractionated enrichment of plasma proteins, w...
06/28/1994
5262325Method for the enzymatic neutralization of heparin
A heparinase formulation derived from Flavobacterium heparinum which meets all requirements for a clinical reagent that can eliminate heparin interference of normal blood function has been developed. The heparinase, derived from Flavobacterium heparinum, ...
11/16/1993
5234685Method of determining incompatibility-reaction-causing substances in blood products as well as a method of inactivating said incompatibility-reaction-causing substances
There is disclosed a method of determining the presence of incompatibility-reaction-causing substances in blood products. There is also disclosed a method of inactivating incompatibility-reaction-causing substances in blood products to be applied therapeu...
08/10/1993
5231015Methods of extracting nucleic acids and PCR amplification without using a proteolytic enzyme
This invention provides a rapid and highly effective method for extracting nucleic acids from cells or virions without the use of proteolytic enzymes. Extraction is accomplished within a few minutes using a lysing composition comprising a buffer, a source...
07/27/1993
5149633Process and reagent for the specific determination of fructosamine content in blood and samples obtained from blood
Process for the specific determination of the serum fructosamine content in blood or in samples obtained from blood by reaction with an appropriate color reagent and measurement of the color change thereby brought about, in which before the color reaction...
09/22/1992
5094949Use of chymotrypsin for the inactivation of prekallikrein activator
In order to avoid the risk of undesired side reactions of blood products, the latter are produced from plasma by using chymotrypsin to inactivate prekallikrein activator. These preparations are obtained by the fractionated enrichment of plasma proteins, w...
03/10/1992
5089415Method for clotting heparized blood by the addition of protamine, thrombin and snake venom
A cocktail reagent preparation for the rapid production of serum contains thrombin, snake venom, and protamine sulfate. The preparation employs very small quantities of clot promoting substances which behave in a synergistic manner such that rapid clottin...
02/18/1992
5055388Process and reagent composition for determination of fructosamine in body fluids
A process for the determination of fructosamine in body fluids by the reaction of a sample solution with a color reagent, wherein the sample liquid is mixed with a buffer solution having a pH value of from 9 to 12, a color-forming reagent and uricase, as ...
10/08/1991
4997932Method and kit for purifying nucleic acids
The invention teaches a method and kit for purifying nucleic acid, such as DNA, from a sample, such as lysed cell or tissue sample. A sample is applied to an anionic exchange matrix column uniformly distributing the sample therein. The column bed is then ...
03/05/1991
4945055Human chorionic gonadotropin releasing factor
A substantially purified human chorionic gonadotropin releasing factor (hCG-RF) which is a glycoprotein with a molecular weight between about 50,000 and about 70,000. This hCG-RF is capable of stimulating release of human chorionic gonadotropin as well as...
07/31/1990
4920045Detection of occult blood in feces
A method for detection of occult blood in a fecal sample which comprises acting a glycosidase type bacteriolytic enzyme on the fecal sample and subjecting the resulting fecal sample to simultaneous detection of hemoglobin, preferably in combination with t...
04/24/1990
1    
 
Sign InRegister
Username  
Password   
forgot password?