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Inventor:
Scher; Herbert B.
Address:
Moraga, CA
No. of patents:
35
Patents:












Patent Number Title Of Patent Date Issued
7566448 Reduced aerosol generating formulations July 28, 2009
The present invention relates to compositions comprising high molecular weight polymers, particularly polyethylene oxide polymers, wherein the high molecular weight polymer serves as an anti-misting agent to reduce the potential of aerosol generation from a composition when used in a
7485451 Storage stable compositions of biological materials February 3, 2009
Storage stable compositions of biological materials, including bioactive biological materials are provided in the form of a water-in-oil emulsion, comprising: (a) cellular material selected from living and/or dormant prokaryotic and/or eukaryotic cells and tissues, the cellular materia
6541422 Method for improving the selectivity of 1,3-cyclohexanedione herbicide April 1, 2003
A method of selectively controlling undesirable vegetation in crops by using a postemergent application of an herbicidally effective amount of a metal chelate of a 2-(substituted benzoyl)-1,3-cyclohexanedione compound to the locus of such undesirable vegetation.
6358520 Dry water-dispersible compositions of microencapsulated pesticides March 19, 2002
Solid water-dispersible compositions containing microencapsulated pesticides are produced by spray-drying an aqueous suspension of said pesticides in the presence of a water-soluble polymer, preferably polyvinyl alcohol.
6340653 Microencapsulated acetochlor herbicidal composition January 22, 2002
Microencapsulated compositions containing haloacetanilide herbicides, i.e., acetochlor, are produced by microencapsulation process. The microencapsulated composition performs comparably to nonencapsulated compositions of the same herbicide applied at the same application rates.
6149843 Microcapsules containing suspensions of biologically active compounds and ultraviolet protectant November 21, 2000
Microcapsules containing a biologically active material which is sensitive to ultraviolet light are prepared which contain an ultraviolet light protectant selected from titanium dioxide, zinc oxide and mixtures thereof, suspended and thoroughly dispersed in a liquid.
6133197 Microencapsulated compositions October 17, 2000
Polyurea microcapsules particularly suitable for foliar application are prepared by an interfacial polymerization process in which the polyurea is formed from an aromatic diisocyanate and optionally an aromatic polyisocyanate having 3 or more isocyanate groups, in a weight ratio (when
6113935 Water-in-oil microencapsulation process and microcapsules produced thereby September 5, 2000
A suspension of microcapsules in an organic liquid, the microcapsules containing an aqueous phase, is produced by interfacial polymerization in the presence of a proton transfer catalyst of a water-in-oil emulsion in which the aqueous phase contains a urea/formaldehyde or melamine/fo
6077522 Microcapsules containing suspensions of biologically active compounds and ultraviolet protectant June 20, 2000
Microcapsules containing a biologically active material which is sensitive to ultraviolet light are prepared which contain an ultraviolet light protectant selected from titanium dioxide, zinc oxide and mixtures thereof, suspended and thoroughly dispersed in a liquid.
6015571 Microcapsules containing suspensions of biologically active compounds January 18, 2000
Microcapsules containing a suspension of a soild, biologically active compound in an organic, water-immiscible liquid and processes for their preparation.
5993842 Microcapsules containing suspensions of biologically active compounds November 30, 1999
Microcapsules containing a suspension of a solid, biologically active compound in an organic, water-immiscible liquid and processes for their preparation.
5912207 Stable herbicidal compositions containing metal chelates of herbicidal dione compounds June 15, 1999
Metal chelates of herbicidal dione compounds of the formula ##STR1## are chemically stable for long periods of time under normal as well as extreme temperature conditions. Chemically stable liquid herbicidal formulations containing metal chelates of the herbicidal compounds of fo
5562914 Impregnated porous granules and a polyurethane matrix held within the pores thereof and holding October 8, 1996
A composition of matter having a clay porous granule and a polyurethane matrix formed from the polymerization of a polyol and a polyisocyanate and held within the pores of the granule and having uniformly distributed throughout the polyurethane matrix a liquid material, for example, a
5332584 Microcapsules July 26, 1994
A process is disclosed for the microencapsulation of a substantially water-insoluble liquid material within a porous shell to effect a slow rate of release of said material through said shell which comprises (a) providing an organic solution comprising said material and an etherified
5223477 Single-package agricultural formulations combining immediate and time-delayed delivery of thioca June 29, 1993
Microcapsule formulations are combined with emulsions or particle dispersions in a single-package formulation which is storage-stable and provides substantially the full efficacy of each of the two forms as if applied individually. The single-package formulation is suspension having
5160529 Microcapsules and microencapsulation process November 3, 1992
Microcapsules containing a substantially water-insoluble liquid material, such as an anilide herbicide, and optionally also a herbicide antidote, within a porous shell to effect a slow rate of release of said herbicide (and optionally said antidote) through said shell, are produced by a
5120542 Pesticide compositions and method June 9, 1992
Toxicant, especially pesticide compositions, having lowered dermal toxicity are provided. The compositions include a lipophilic-pesticide, a nonionic surfactant and a dry inert diluent carrier. Methods for reducing the dermal toxicity of lipophilic toxicants, especially pesticides are
5049182 Single-package agricultural formulations combining immediate and time-delayed delivery September 17, 1991
Microcapsule formulations are combined with emulsions or particle dispersions in a single-package formulation which is storage-stable and provides substantially the full efficacy of each of the two forms as if applied individually. The single-package formulation is suspension having
4994261 Pesticide compositions and method February 19, 1991
Toxicant, especially pesticide compositions, having lowered dermal toxicity are provided. The compositions include a lipophilic-pesticide, a nonionic surfactant and a dry inert diluent carrier. Methods for reducing the dermal toxicity of lipophilic toxicants, especially pesticides are
4956129 Microencapsulation process September 11, 1990
A process is disclosed for the microencapsulation of a substantially water-insoluble liquid material within a porous shell to effect a slow rate of release of said material through said shell which comprises (a) providing an organic solution comprising said material and an etherified
4933167 Pesticide compositions June 12, 1990
Toxicant, especially pesticide compositions, having lowered dermal toxicity are provided. The compositions include a microencapsulated lipophilicpesticide, a hydrophilic surfactant and water. Methods for reducing the dermal toxicity of microencapsulated lipophilic toxicants, especial
4643764 Multiple types of microcapsules and their production February 17, 1987
In a process of encapsulating water-immiscible material within discrete capsules of polyurea without addition of a second reactant, whereby hydrolysis of an isocyanate monomer to form an amine takes place which in turn reacts with another isocyanate monomer to form polyurea, which co
4515813 Lepidoptericidal isothiourea compounds May 7, 1985
Lepidoptericidal and herbicidal active compounds having the generic formula ##STR1## wherein R, R.sup.1, R.sup.2 and R.sup.3 are as disclosed herein. In general, these compounds show enhanced lepidoptericidal activity and show reduced phytotoxic effect on crops to be protected from t
4500494 Microencapsulated chelating agents and their use in removing metal ions from aqueous solutions February 19, 1985
Novel polyurea and urea-formaldehyde microcapsules are disclosed which enclose a chelsating agent selected from .beta.-diketones, 8-hydroxyquinolines and their thiol analogs, and oximes. The microcapsules are capable of removing metal ions from water.
4456569 Encapsulation process June 26, 1984
A protective colloid for use in an interfacial polymerization process comprising a graft copolymer of polyvinyl alcohol and methyl vinyl ether/maleic acid.
4448929 Encapsulation process May 15, 1984
A protective colloid for use in an interfacial polymerization process comprising a graft copolymer of polyvinyl alcohol and methyl vinyl ether/maleic acid.
4440563 Thiolcarbamate sulfoxides stabilized with butyrolactone and water April 3, 1984
Herbicidal thiolcarbamate sulfoxide compositions of improved thermal stability.
4357351 Lepidoptericidal isothiourea compounds November 2, 1982
Lepidoptericidal and herbicidal active compounds having the generic formula ##STR1## wherein R, R.sup.1, R.sup.2 and R.sup.3 are as disclosed herein. In general, these compounds show enhanced lepidoptericidal activity and show reduced phytotoxic effect on crops to be protected from t
4314841 Benzyl thiocarbamate sulfoxides stabilized with calcium carbonate carrier February 9, 1982
The thermal instability and carrier deactivation of a herbicidal benzyl thiocarbamate sulfoxide is reduced by use of a calcium carbonate carrier.
4285720 Encapsulation process and capsules produced thereby August 25, 1981
Encapsulation process to prepare encapsulated water-immiscible material employing an organic polyisocyanate intermediate to form a polyurea capsule enclosure around a water-immiscible material dispersed in an aqueous continuous phase comprising the steps of heating the dispersion or
4223070 Impregnated porous granules with slow release pore membranes and process therefor September 16, 1980
Open-ended pores of a porous granule are filled with a liquid material which is at least partially immiscible with water, and sealed with a porous polyurea membrane which limits the release rate of the material into the surrounding medium. The membrane is formed by(a) applying to the bar
4155741 Stable suspension system for microencapsulated flowable formulations, and method of preparing st May 22, 1979
Stable suspension-buffer system for aqueous suspensions of microencapsulated materials which can be obtained by using aluminum hydroxide or ferric hydroxide as the suspending and buffering agent, together with a sequestering agent, a second suspending agent, thereby preventing separa
4140516 Encapsulation process employing phase transfer catalysts February 20, 1979
An improved encapsulation process to prepare encapsulated water-immiscible material employing an organic polyisocyanate intermediate to form discrete polyurea capsule enclosures around a water-immiscible material dispersed in an aqueous continuous phase said improvement comprising the ad
4053627 Controlled release system for juvenile hormones in aqueous environment October 11, 1977
Controlled release of juvenile hormones into aqueous environment is accomplished with aliginate gel discs containing the juvenile hormone; said gel discs comprising a solubilizing agent, a water soluble algin, a salt which yields cations which gelatinize alginates, a biocide and a ju
4046741 Post-treatment of polyurea microcapsules September 6, 1977
Post-treatment of microcapsules having polyurea walls with ammonia or amines to reduce the residual isocyanate level and modify permeability of the microcapsule wall. Flowable formulations of the polyurea microcapsules then can be stored at pH values below 8 without generating carbon dio










 
 
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