Patents by Inventor Dennis G. Sekutowski
Dennis G. Sekutowski has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 7018643Abstract: In one embodiment, the present invention relates to a pesticide delivery system, containing a continuous film having a thickness from about 1 ?m to about 1,000 ?m and noncontinuous areas having sizes less than about 100 ?m, the continuous film containing a particulate material wherein at least 90% by weight of the particulate material has a particle size of about 10 microns or less, and a pest control agent at least partially coating the particulate material.Type: GrantFiled: November 22, 2002Date of Patent: March 28, 2006Assignees: Engelhard Corporation, The United States of America as represented by the Secretary of AgricultureInventors: Gary J. Puterka, David Michael Glenn, Dennis G. Sekutowski
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Patent number: 6877275Abstract: Disclosed are methods of reducing weed growth or reducing pests involving applying to plant producing media particulate materials to a depth of at least about 1 cm, wherein the plant producing media to the depth comprises about 1% by weight or more and about 25% by weight or less of the applied particulate materials Also disclosed are methods of reducing weed growth involving applying to plant producing media or unwanted vegetation a film of particulate materials, wherein the film has a thickness of about 1 ?m or more and about 5 mm or less.Type: GrantFiled: February 19, 2002Date of Patent: April 12, 2005Assignee: Engelhard CorporationInventors: David Michael Glenn, Dennis G. Sekutowski
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Publication number: 20030159349Abstract: In one embodiment, the present invention relates to methods of reducing weed growth or reducing pests involving applying to plant producing media particulate materials to a depth of at least about 1 cm, wherein the plant producing media to the depth comprises about 1% by weight or more and about 25% by weight or less of particulate materials. In another embodiment, the present invention relates to methods of reducing weed growth involving applying to plant producing media or unwanted vegetation a film of particulate materials, wherein the film has a thickness of about 1 &mgr;m or more and about 5 mm or less.Type: ApplicationFiled: February 19, 2002Publication date: August 28, 2003Inventors: David Michael Glenn, Dennis G. Sekutowski
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Publication number: 20030077309Abstract: In one embodiment, the present invention relates to a pesticide delivery system, containing a continuous film having a thickness from about 1 &mgr;m to about 1,000 &mgr;m and noncontinuous areas having sizes less than about 100 &mgr;m, the continuous film containing a particulate material wherein at least 90% by weight of the particulate material has a particle size of about 10 microns or less, and a pest control agent at least partially coating the particulate material.Type: ApplicationFiled: November 22, 2002Publication date: April 24, 2003Inventors: Gary J. Puterka, David Michael Glenn, Dennis G. Sekutowski
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Patent number: 6514512Abstract: In one embodiment, the present invention relates to a pesticide delivery system, containing a continuous film having a thickness from about 1 &mgr;m to about 1,000 &mgr;m and noncontinuous areas having sizes less than about 100 &mgr;m, the continuous film containing a particulate material wherein at least 90% by weight of the particulate material has a particle size of about 10 microns or less, and a pest control agent at least partially coating the particulate material.Type: GrantFiled: October 2, 2000Date of Patent: February 4, 2003Assignee: Engelhard CorporationInventors: Gary J. Puterka, David Michael Glenn, Dennis G. Sekutowski
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Patent number: 6464995Abstract: Disclosed are horticultural substrates coated with a particulate membrane and a method for controlling pests and providing enhanced horticultural effect by applying a particulate membrane to the surface of the horticultural substrate.Type: GrantFiled: April 20, 2000Date of Patent: October 15, 2002Assignees: Engelhard Corporation, The United States of America as represented by the Secretary of AgricultureInventors: Dennis G. Sekutowski, Gary J. Puterka, David Michael Glenn
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Patent number: 6235683Abstract: In one embodiment, the present invention relates to a method for enhancing supercooling of a plant to temperatures below about −2° C., involving preventing the formation of ice crystals adjacent the plant by forming a substantially continuous hydrophobic membrane of particulate materials on portions of the plant capable of supporting droplets of water, the particulate material having a particle size distribution wherein up to about 90% by weight of the particles have a particle size of about 100 &mgr;m or less, and the substantially continuous hydrophobic membrane has a thickness from about 1 &mgr;m to about 1,000 &mgr;m.Type: GrantFiled: September 30, 1999Date of Patent: May 22, 2001Assignees: Engelhard Corporation, The United States of America as represented by the Secretary of AgricultureInventors: David Michael Glenn, Michael Wisniewski, Gary J. Puterka, Dennis G. Sekutowski
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Patent number: 6156327Abstract: Disclosed are horticultural substrates coated with a particulate membrane and a method for controlling pests and providing enhanced horticultural effect by applying a particulate membrane to the surface of the horticultural substrate.Type: GrantFiled: November 18, 1997Date of Patent: December 5, 2000Assignees: Engelhard Corporation, The United States of America as represented by the Secretary of AgricultureInventors: Dennis G. Sekutowski, Gary J. Puterka, David Michael Glenn
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Patent number: 6110867Abstract: Disclosed is a method for enhancing the photosynthesis of horticultural crops which involves treating the surface of said horticultural crop with an effective amount of one or more highly reflective particulate materials.Type: GrantFiled: November 18, 1997Date of Patent: August 29, 2000Assignee: Engelhard CorporationInventors: David Michael Glenn, Dennis G. Sekutowski, Gary J. Puterka
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Patent number: 6069112Abstract: In one embodiment, the present invention relates to a method for preventing sunburn, and other physiological disorders such as watercore, corking and bitterpit, without diminishing photosynthesis, comprising applying to at least a portion of a surface of a plant an effective amount of a finely divided particulate material to prevent sunburn, and other physiological disorders such as watercore, corking and bitterpit, in the plant, wherein the particulate material comprises a heat treated particulate material and the particulate material as applied permits an exchange of gases on the surface of the plant and the particulate material has a thickness from about 1 .mu.m to about 1,000 .mu.m.Type: GrantFiled: December 2, 1998Date of Patent: May 30, 2000Assignee: Englehard CorporationInventors: David Michael Glenn, Dennis G. Sekutowski, Gary J. Puterka
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Patent number: 6060521Abstract: Aqueous dispersion of a particulate solid containing a low boiling organic liquid in which the particulate solid has a hydrophobic outer surface which is suitable for applying to a substrate to form a continuous hydrophobic film thereon.Type: GrantFiled: October 29, 1998Date of Patent: May 9, 2000Assignee: Engelhard Corporation United States Department of AgricultureInventors: Dennis G. Sekutowski, Gary J. Puterka, David Michael Glenn
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Patent number: 6027740Abstract: Disclosed is a method for protecting surfaces from arthropod infestation which involves treating the surface with an effective amount of finely divided calcined kaolins, hydrophobic calcined kaolins, hydrous kaolins, hydrophobic hydrous kaolins, hydrophobic calcium carbonates, calcium carbonates or mixtures thereof.Type: GrantFiled: November 18, 1997Date of Patent: February 22, 2000Assignee: Engelhard CorporationInventors: Gary J. Puterka, Dennis G. Sekutowski, David Michael Glenn
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Patent number: 5908708Abstract: Aqueous dispersion of a particulate solid containing a low boiling organic liquid in which the particulate solid has a hydrophobic outer surface which is suitable for applying to a substrate to form a continuous hydrophobic film thereon.Type: GrantFiled: March 5, 1997Date of Patent: June 1, 1999Assignees: Engelhard Corporation, The United States of America as represented by the Secretary of AgricultureInventors: Dennis G. Sekutowski, Gary J. Puterka, David Michael Glenn
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Patent number: 4740538Abstract: A filled engineering plastic is provided with improved impact strength by pretreating the filler to provide separate coating deposits of a coupling agent and an impact modifier for the plastic matrix. For a nylon plastic composite, a kaolin filler coated with separate deposits of an amino functional silane coupling agent and a phenol or triethanolamine impact modifier has resulted in an improved impact strength without sacrificing tensile and elastic properties of the nylon.Type: GrantFiled: July 3, 1986Date of Patent: April 26, 1988Assignee: Engelhard CorporationInventor: Dennis G. Sekutowski