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

Icon_funbox Bizarre Patents

Patent No. 6055910

/patents/6055910.html

A gun that fires a missile, powered by gas "discharged by the operator of the toy."

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 435/847 - Erwinia


Subclass of Class 435 - Chemistry: molecular biology and microbiology
No. of patents: 57
Last issue date: 02/22/2005


1    
NumberTitleIssue Date
6858707Hypersensitive response elicitor fragments which are active but do not elicit a hypersensitive response
The present invention is directed to isolated active fragments of a hypersensitive response elicitor protein or polypeptide which fragment does not elicit a hypersensitive response in plants. Also disclosed are isolated DNA molecules which encode such fragments. Iso...
02/22/2005
6682912L-glutamic acid-producing bacterium and method for producing L-glutamic acid
A method for producing L-glutamic acid which comprises culturing a microorganism belonging to the genus Klebsiella, Erwinia or Pantoea and having an ability to produce L-glutamic acid in a culture medium, and collecting produced L-glutamic acid from the c...
01/27/2004
6624139Hypersensitive response elicitor-induced stress resistance
The present invention is directed to imparting stress resistance to plants. This can be achieved by applying a hypersensitive response elicitor in a non-infectious form to plants or plant seeds under conditions effective to impart stress resistance to pla...
09/23/2003
6197559L-glutamic acid-producing bacterium and method for producing L-glutamic acid
A method for producing L-glutamic acid which comprises culturing a microorganism belonging to the genus Klebsiella, Erwinia or Pantoea and having an ability to produce L-glutamic acid in a culture medium, and collecting produced L-glutamic acid from the c...
03/06/2001
5948610Use of matrices comprising liquids and light absorbing particles for analysis of microorganisms by laser desorption mass spectrometry
The present invention is directed to a method of using a liquid matrix containing a black body light absorbing powder to facilitate the analysis of biomarkers from representative microorganisms by laser desorption mass spectrometry. Both an IR laser (1064...
09/07/1999
5919446Control of fire blight on pome fruit trees with Erwinia herbicola
A biologically pure culture of Erwinia herbicola NRRLB-21856 is described which is highly effective as a biological control agent against Erwinia amylovora, the cause of fire blight, the destructive disease of apples and pears. The invention also encompas...
07/06/1999
5859324Hypersensitive response induced resistance in plants
The present invention relates to a method of imparting pathogen resistance to plants. This involves applying a hypersensitive response elicitor polypeptide or protein in a non-infectious form to a plant under conditions where the polypeptide or protein co...
01/12/1999
5824449Process for producing D-malic acid
A process for producing D-malic acid selectively without producing L-malic acid, using inexpensive maleic acid as a starting material, may be carried out using a microorganism belonging to the genus Erwinia, Mycoplana, Sporosarcina, Vibrio, Geotrichum or ...
10/20/1998
5817490Enzymatic process for the manufacture of ascorbic acid 2-keto-L-gulonic acid and esters of 2-keto-L-gulonic acid
The present invention is directed toward efficient, high-yield processes for making ascorbic acid, 2-keto-L-gulonic acid, and esters of 2-keto-L-gulonic acid. The processes comprise reacting the appropriate starting materials with a hydrolase enzyme catal...
10/06/1998
5807697Biological tracer method
The present invention is a biological tracer method for characterizing the movement of a material through a medium, comprising the steps of: introducing a biological tracer comprising a microorganism having ice nucleating activity into a medium; collectin...
09/15/1998
5776889Hypersensitive response induced resistance in plants
The present invention relates to a method of imparting pathogen resistance to plants. This involves applying a hypersensitive response elicitor polypeptide or protein in a non-infectious form to a plant under conditions where the polypeptide or protein co...
07/07/1998
5622698Method and composition for increasing the supercooling point in invertebrates
Ice nucleating agents are introduced into or on invertebrates. They elevate the supercooling point of such invertebrates. Where such invertebrates are freeze-intolerant, they may be killed or made susceptible to freezing by subjecting them to temperatures...
04/22/1997
5595889Process for integration of a chosen gene on the chromosome of a bacterium using Mu transposons
The present invention relates to a process for integration of a chosen gene or of a specific DNA molecule into the chromosome or episome of a bacterium by cloning the gene or DNA molecule into a defective transposon which is then integrated into the chrom...
01/21/1997
5578339Sweetener, process for its preparation and the use thereof
A process for the preparation of a sweetener, in which sucrose is converted enzymatically into a saccharide mixture which is called "isomerized sucrose" and has a disaccharide content of more than 85% by weight, then non-isomerized remaining sucrose is re...
11/26/1996
55630492',3'-dideoxy purine nucleosides and process for the preparation thereof
2',3'-Dideoxy purine nucleosides represented by following general formulae [I] and/or [II] ##STR1## (wherein X and Y indicate nitrogen atoms or carbon atoms and R1, R2, R3, R4 and R5 indicate eac...
10/08/1996
5518905Method for producing L-3,4-dihydroxyphenylalanine by precipitation of anhydrous crystals
A method for producing L-3,4-dihydroxyphenylalanine comprising contacting microorganism cells having ଲ-tyrosinase activity with catechol, pyruvic acid and ammonium ion or with catechol and L-serine, at a temperature lower than 25° C. in the presenc...
05/21/1996
5436145Process for preparing 6-hydroxy nitrogen-containing 6-membered ring compounds
6-Hydroxy nitrogen-containing 6-membered ring compounds of the following general formula (II): ##STR1## wherein R1 represents carboxy group, carbamoyl group, cyano group, formyl group, C1 -C5 hydroxyalkyl group, C
07/25/1995
5424202Ethanol production by recombinant hosts
Novel plasmids comprising genes which code for the alcohol dehydrogenase and pyruvate decarboxylase are described. Also described are recombinant hosts which have been transformed with genes coding for alcohol dehydrogenase and pyruvate. By virtue of thei...
06/13/1995
5401655Process for biologically preventing dicotyledonous plant diseases using symbiotical bacteria
A process for biologically preventing dicotyledonous plant diseases which comprises: cutting a seedling of a dicotyledon which includes the seedling between a cotyledon and less than three leaves at a growth stage; immersing the upper portion of the cut s...
03/28/1995
5368981Method for increasing beta-tyrosinase activity in Erwinia herbicola
A method for increasing ଲ-tyrosinase activity in Erwinia herbicola is disclosed. The activity is increased by culturing the microorganism until it reaches stationary phase and maintaining the stationary phase for a period of 6 to 24 hours while main...
11/29/1994
5338672Method for producing L-3, 4-dihydroxyphenyalanine by Erwinia having tyrosinase activity
The present invention relates to improved methods for producing L-3, 4-dihydroxyphenylalanine from catechol, pyruvic acid and ammonium ion, or catechol and L-serine, by utilizing ଲ-tyrosinase activity of a microorganism which belongs to the genus Er...
08/16/1994
5310670Method for the purification of Erwinia L-asparaginase
A process is provided for the purification of L-asparaginase by contacting a crude extract of L-asparaginase with a solid medium having cation exchange groups so as to adsorb L-asparaginase on the support and eluting adsorbed L-asparaginase from the suppo...
05/10/1994
5234819Method for preparing 2,5-diketo-D-gluconic acid
2,5-Diketo-D-gluconic acid is prepared in high yield and in high broth concentration by cultivating newly isolated microorganisms of genus Erwinia in an aqueous nutrient medium in the presence of D-glucose. The production is also possibly by simple contac...
08/10/1993
5223412Cell-free and whole cell ice nucleators and process for their production
Microbially produced ice nucleator mixtures which include either cell-free ice nucleator particle mixtures and/or whole cell ice nucleator mixtures. These mixtures are produced in methods which comprises culturing a selected microorganism in a two step pr...
06/29/1993
5134077Microorganisms of the genus Erwinia useful for preparing 2,5-diketo-D-gluconic acid
2,5-Diketo-D-gluconic acid is prepared in high yield and in high broth concentration by cultivating newly isolated microorganisms of genus Erwinia in an aqueous nutrient medium in the presence of D-glucose. The production is also possible by simple contac...
07/28/1992
5133962Method of controlling coleopteran insects with Bacillus thuringiensis
A novel B.t. toxin gene encoding a protein toxic to coleopteran insects has been cloned from a novel coleopteran-active B. thuringiensis microbe. The DNA encoding the B.t. toxin can be used to transform various prokaryotic and eukaryotic microbes to expre...
07/28/1992
5130249Galactomannan polysaccharide producing organism
A galactomannan heteropolysaccharide is prepared by fermentation of a previously unknown microorganism, named Erwina sp. ATCC No. 55046. The polysaccharide has valuable properties as a thickening, suspending, stabilizing and lubricating agent in aqueous s...
07/14/1992
50534992',3'-dideoxy purine nucleoside
2', 3'-Dideoxy purine nucleosides represented by following general formulae [I] and/or [II] ##STR1## (wherein X and Y indicate nitrogen atoms or carbon atoms and R1, R2, R3, R4 and R5 indicate ea...
10/01/1991
5008193Ascorbic acid intermediates and process enzymes
Methods for producing ascorbic acid using recombinant means comprising the transfer of genetic material by conjugation, a host cell lacking, entirely or to such an extent as not to be commercially useful, one or more enzymes in the metabolic path converti...
04/16/1991
4978540Production of frozen foods and other products
The freezing of foodstuffs and other biological materials such blood products as sperm, ova, embryos and other tissues may be facilitated by applying thereto a non-toxic microorganism having an INA+ phenotype or a biogenic ice nucleating agent ...
12/18/1990
4968606Methods for producing ribose-1-phosphoric acid and ribavirin
The present invention relates to methods for producing ribavirin utilizing microorganisms and a method for producing ribose-1-phosphoric acid which is a precursor of ribavirin. The methods involve contacting certain microorganisms with orotidine, orotidic...
11/06/1990
4879229Method for preparing 2,5-diketo-D-gluconic acid
2,5-Diketo-D-gluconic acid is prepared in high yield and in high broth concentration by cultivating newly isolated microorganisms of genus Erwinia in an aqueous nutrient medium in the presence of D-glucose. The production is also possible by simple contac...
11/07/1989
4857461Continuous process for the enzymatic preparation of isomaltulose
The present invention relates to a continuous process for the enzymatic preparation of isomaltulose. A periplasmatic sucrose-mutase is produced by fermentation of microorganisms which form sucrose-mutase. The cell-free crude enzyme extract is prepared by ...
08/15/1989
4855230Microorganism inhibition of frost damage to plants
Plant host acceptable microorganisms, which are ice nucleation deficient and use at least one nutrient from the plant also used by ice nucleating native microorganisms, are applied to a plant part at an early stage in the growth cycle. The multiplication ...
08/08/1989
4822740Bacteria for expressing a polysaccharide depolymerase containing a novel recombinant plasmid
A segment of a bacteriophage encoding for a polysaccharide depolymerase which has been cloned and expressed in Escherichia coli is described. In particular, bacteriophage ERA103 was found to consist of five EcoRI fragments labeled: A, 7.5-kb; B, 5.0-kb; C...
04/18/1989
4788145Process for preparing 1-O-alpha-D-glucopyranosido-D-fructose
A process for preparing 1-O-଱-glucopyranoside-D-fructose by enzymatically converting sucrose is described, wherein a sucrose solution is brought into contact with free or immobilized, living or dead whole cells or with microorganisms forming the fre...
11/29/1988
4783403Process for producing l-phenylalanine
L-phenylalanine is produced by using a microorganism belonging to the species Citrobacter freundii, Erwinia herbicola, Enterobacter cloacae, Klebsiella oxytoca, Salmonella typhimurium, Bacillus cereus, Flavobacterium suaveolens, Serratia marcescens, Pseud...
11/08/1988
4783406Method and compositions for use in the treatment of fireblight
A method and compositions for the treatment of fireblight disease in plants are described. The compositions include a phage for Erwinia amylovora which produces fireblight and an enzyme produced by the phage which depolymerizes a polysaccharide produced b...
11/08/1988
4766077Ice nucleation deficient microorganisms by genetic manipulation
Ice nucleation bacteria are modified in vitro to confer an ice nucleation deficient phenotype. Modification is accomplished by deletion, substitution, insertion, inversion, or transversion of a DNA segment within the gene locus responsible for the INA phe...
08/23/1988
4729957Process for manufacture of L-asparaginase from erwinia chrysanthemi
A process for the recovery and purification of L-asparaginase from Erwinia chrysanthemi is disclosed. The process involves the preparation of cellular acetone powder extract followed by either an ion exchange and affinity chromatography purification steps...
03/08/1988
1    
 
Sign InRegister
Username  
Password   
forgot password?