Bizarre Patents
An electrified table cloth for preventing crawling insects from gaining access to the consumer's food or drink.
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.
| Number | Title | Issue Date |
| 4456691 | Antigen for PCB, antibody raised by same, and method of making same A polychlorinated biphenyl hapten is covalently bonded to a macromolecule carrier through a diazo-containing linking group. In forming the conjugate, a PCB hapten is nitrated, aminated, diazotized and finally coupled with the macromolecule carrier. The an... | 06/26/1984 |
| 4456553 | Vitamin D3 derivatives, process for preparation thereof, and antigens comprising said derivatives to be used for preparation of antibodies for immunochemical assay and antibodies prepared therefrom The present invention relates to novel vitamin D3 derivatives which have a carboxyl group or its ester group at the 22-position, processes for the preparation thereof, and antigens, which comprise said vitamin D3 derivative and an im... | 06/26/1984 |
| 4446065 | Phencyclidine compounds and assays for its determination Novel oxime derivatives of phencyclidine are provided as precursors for conjugating proteins, either antigenic for the preparation of antibodies or enzymatic for the preparation of enzyme conjugates, which antibodies and enzyme conjugates find use as reag... | 05/01/1984 |
| 4400376 | Immunological preparations An immunological preparation of an antigenic material in combination with a major histocompatibility complex antigen, which is itself in the form of complex with a protein with which it is normally associated in nature or with a modified form of such prot... | 08/23/1983 |
| 4397844 | Antigen derivatives and processes for their preparation The invention relates to novel antigen derivatives comprising an antigen and at least one muramylpeptide covalently bonded thereto, if appropriate via a spacer, to pharmaceutical preparations which contain such compounds and to their use as a vaccine. The... | 08/09/1983 |
| 4379780 | 17 -Dihydroequilin hapten and assay method A hapten is obtained by replacing the 3-hydroxy group of 17 -dihydroequilin with HO--CO--A--O-- wherein A is an alkylene of one to six carbon atoms. The hapten is conjugated with an immunological carrier to provide an immunogen, which in turn produ... | 04/12/1983 |
| 4379779 | Equilin hapten and assay method A hapten is obtained by replacing the 3-hydroxy group of equilin with HO--CO--A--O-- wherein A is an alkylene of one to six carbon atoms. The hapten is conjugated with an immunological carrier to provide an immunogen, which in turn produces a specific ant... | 04/12/1983 |
| 4376760 | Tridecapeptide The tridecapeptide of the formula and the use thereof as a hapten, tracer or antibody.... | 03/15/1983 |
| 4334069 | Chemiluminescent phthalhydrazide-labeled hapten conjugates Chemiluminescent-labeled conjugates of the formula: ##STR1## wherein one of R1 and R2 is hydrogen and the other is --NR3 R4 ; R3 is hydrogen or straight chain alkyl containing 1-4 carbon atoms an... | 06/08/1982 |
| 4331808 | Chemiluminescent naphthalene-1,2-dicarboxylic acid hydrazide-labeled haptens Chemiluminescent-labeled conjugates of the formula: ##STR1## wherein R is hydrogen or straight chain alkyl containing 1-4 carbon atoms, n=2-6 and L(CO-- is a specifically bindable ligand, such as an antigenic protein or polypeptide, a hapten or an an... | 05/25/1982 |
| 4224229 | Compound useful in cholesterol assay procedures A compound is disclosed herein which is water soluble and is useful in assay procedures for measuring serum cholesterol. In one embodiment, the compound comprises a cholesterol ester having the general formula R1 --R2 --[Cholesterol ... | 09/23/1980 |
| 4182856 | Reagents for use in binding assays to determine diphenylhydantoin Reagents for use in binding assays, particularly immunoassays, to determine diphenylhydantoin and for preparing reagents employed in such assays, including ଲ-galactosyl-umbelliferone-diphenylhydantoin conjugates, diphenylhydantoin immunogens, and N | 01/08/1980 |
| 4161519 | Process for preparing an antipregnancy vaccine A vaccine comprising a conjugate of an antigenic carrier with beta sub-unit of human chorionic gonadotropin, or derivatives or fragments thereof, purified by procedures which minimize cross-reactivity with LH, such as immunosorption with heterologous LH a... | 07/17/1979 |
| 4156081 | Theophylline antigens and antibodies Theophylline derivatives are provided for preparing reagents for use in competitive protein binding assays and for use as reagents in competitive protein binding assays. Theophylline is substituted at the 3 position and conjugated to antigens for producti... | 05/22/1979 |
| 4137401 | Glycoside-ether-ester compounds Carbohydrate antigenic determinants containing a glycosidically linked bridging arm are synthesized and coupled to carrier molecules to form artificial antigens, and to solid supports to form immunoabsorbants. These artificial antigens are used to detect ... | 01/30/1979 |
| 4123519 | Injectable contraceptive vaccine and method An injectable contraceptive vaccine, a method of preparing said vaccine and the method of preventing conception in mammals by use of said vaccine, is disclosed. A vaccine which stimulates the production of antibodies directed against a hormone essential t... | 10/31/1978 |
| 4122166 | Injectable contraceptive and method An injectable contraceptive antiserum, a process of preparing said antiserum and the method of preventing conception in mammals by the use of said antiserum, is disclosed. An antigen which causes the production of antibodies directed against a hormone ess... | 10/24/1978 |
| 4107157 | Barbituric acid antigens and antibodies specific therefor Barbituric acid antigens are prepared by coupling 5- or 5,5-substituted barbituric acid to immunogenic carrier materials. In preferred embodiments, proteins are used as the carrier materials and the coupling is effected by an amide linkage between the 5-s... | 08/15/1978 |
| 4057685 | Chemically modified endotoxin immunizing agent A bacterial endotoxin lipopolysaccharide of reduced toxicity covalently coupled to a protein antigen exhibits enhanced adjuvant effects. The coupling was affected by reaction with haloacylhalide. Lipopolysaccharide acylated with an anhydride of a dibasic ... | 11/08/1977 |
| 4043989 | Oxazepam derivatives for immunoassay reagents Compounds are provided for use in the preparation of reagents which can be used in immunoassays for benzdiazepines, particularly as their urinary metabolites. The compounds are non-oxo-carbonyl derivatives conjugated to the 3-position of the benzdiazepine... | 08/23/1977 |
| 4041076 | Immunoassay for pharmacologically active phenethylamines New hapten compositions useful in preparing antigens which may be employed in eliciting antibodies useful in an improved radioimmunoassay for pharmacologically active phenethylamines are disclosed. Particular phenethylamins which are preferably detected b... | 08/09/1977 |
| 4026879 | Antigen-containing propranolol derivatives New hapten compositions useful in preparing antigens which may be employed in eliciting antibodies useful in immunoassay, particularly radioimmunoassay for propranolol. Utilizing an enantiomer in formation of the hapten allows preparation of an antibody w... | 05/31/1977 |
| 4025501 | Polypeptide propoxyphene derivatives for immunoassay reagents Novel compounds are provided which are derivatives of 1,2-diphenyl-3-methyl-4-dimethylamino-2-butanol. The indicated alcohol is employed to prepare the monoester of a dibasic acid which is conjugated with an antigen for the production of antibodies which ... | 05/24/1977 |
| 3981863 | Cyanocobalamin derivatives The present invention is concerned with novel derivatives of cyanocobalamin (vitamin B12), especially of the monocarboxylic acid hydrolysates thereof, by which (1) an antigenic conjugate thereof with a protein is obtainable and (2) a readily io... | 09/21/1976 |
