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Patent No. 5307162

Cloaking System Using Optoelectronically Controlled Camouflage

A Cloaking System designed to operate in the visible light spectrum, utilizes optoelectronics and/or photonic components to conceal an object within it.

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Class 436/521 - Fixation or stabilization of red blood cells


Subclass of Class 436 - Chemistry: analytical and immunological testing
Definition: Subject matter which includes the chemical or physical treatment
No. of patents: 56
Last issue date: 09/16/2008


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NumberTitleIssue Date
4587222Reagent comprising treated red blood cells and methods for detecting rheumatoid factor
A reagent for the detection of rheumatoid factor in tests in tubes or microplates. The reagent contains a complex formed from red blood cells and from antibodies soluble with respect to these red blood cells, and immunologically fixed to the latter, said ...
05/06/1986
4403037Erythrocyte preparations and use thereof in hemagglutination tests
Erythrocytes are coated with specific hemagglutinating virus antigen and then treated to produce a stabilized, antigen coated erythrocyte preparation which is used in the determination of antibody in biological fluids....
09/06/1983
4320111Immunologic compositions methods of preparation and use
This invention relates to immunologic compositions comprising pyruvic aldehyde stabilized erythrocytes sensitized with an antigen by coupling of the stabilized erythrocytes to the antigen with bifunctional molecules, and to methods for preparing these com...
03/16/1982
4212650Diagnostic process
A process for an in vitro determination of the immunization status of cells of human beings and animals by measuring in an electric field the changed mobility of charged indicator particles which have been treated with a medium of lymphocytes incubated wi...
07/15/1980
4208187Diagnostic test
A simple, sensitive, reliable and safe method and device for detecting a polypeptide or glycoprotein antigen. The test involves concentration in the presence of polyvinylpyrrolidone by ultrafiltration of a sample of urine or serum from a subject; followed...
06/17/1980
4152410Diagnosis reagent for neoplasm and method for diagnosis of neoplasm
NEA (Neoplasm embryonic antigen) and NEA antibody; diagnosis reagents for neoplasm comprising a substance selected from the group consisting of NEA antibody, NEA or NEA antibody labelled with a radioactive isotope, a combined product of NEA or NEA antibod...
05/01/1979
4140754Hemagglutination-inhibition test for togaviruses
The non-specific inhibitors of hemagglutination in a subject serum for hemagglutination-inhibition test for a togavirus such as rubella virus can be inactivated by subjecting the subject serum to the action of phospholipase C. By subjecting thus-treated s...
02/20/1979
4138214Diagnostic test utilizing human chorionic gonadotropin
A simple, sensitive, reliable and safe method and device for detecting pregnancy. The test involves concentration in the presence of polyvinylpyrrolidone by ultrafiltration of a sample of urine or serum from a subject; followed by determining the presence...
02/06/1979
4136161Stabilized erythrocytes and methods therefor
A double aldehyde treatment process of erythrocytes is disclosed. Erythrocytes from various sources can be treated in a two-step process to render them stable and subsequently useful in antigen antibody detection systems. Glyoxal is used as a first treati...
01/23/1979
4107287GC Antigen-specific immunochemical indicator reagent and method for preparing same
An immunochemical indicator reagent capable of indicating the presence of specific antigenic or haptenic material by hemagglutination reaction therewith, comprising the corresponding antibody globulin molecules chemically coupled to erythrocyte carrier pa...
08/15/1978
4100268Preparation of gentamicin sensitized particles for agglutination tests
Detection of gentamicin is made possible by preparing an analytical body comprising a macromolecule which carries gentamicin, attached to a particle....
07/11/1978
4081241Diagnostic process
An in vitro method for the diagnosis of immunization states which involves measuring, in an electric field, the changed mobility of charged indicator particles, other than macrophages, which particles have been treated with (1) a suspension of lymphocytes...
03/28/1978
4062936Carrier for immunochemical measurement
Carrier for immunochemical measurement wherein tannic acid is bound to blood cells in the proportion of 30 to 500 mg per milliliter of the blood cells....
12/13/1977
3991175Composition and method for determination of pregnancy
Compositions for the determination of whether or not a female animal, and particularly a human female, is pregnant are provided which compositions have prolonged shelf life. The compositions comprise chorionic gonadotropin coupled to animal red blood cell...
11/09/1976
3991174Method of determining concentration of luteinizing hormone in body fluid
The invention relates to a method of determining the concentration of luteinizing hormone (hereinafter referred to as "LH") in the body fluid of a woman and thereby determining the day when said woman ovulates, as well as to compositions for effecting thi...
11/09/1976
3987159Stable sensitized erythrocytes and preparation means
Stable preparations of sensitized erythrocytes are provided by simultaneously admixing washed erythrocytes in a buffered aqueous solution of glutaraldehyde, antigen or antigen-protein conjugate and formaldehyde. After washing, the separated sensitized ery...
10/19/1976
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