ATA233373A - METHOD OF ENCAPSULATING A HYDROPHOBIC LIQUID OR SOLUTION IN A POLYURA ENVELOPE - Google Patents

METHOD OF ENCAPSULATING A HYDROPHOBIC LIQUID OR SOLUTION IN A POLYURA ENVELOPE

Info

Publication number
ATA233373A
ATA233373A AT233373A AT233373A ATA233373A AT A233373 A ATA233373 A AT A233373A AT 233373 A AT233373 A AT 233373A AT 233373 A AT233373 A AT 233373A AT A233373 A ATA233373 A AT A233373A
Authority
AT
Austria
Prior art keywords
polyura
encapsulating
envelope
solution
hydrophobic liquid
Prior art date
Application number
AT233373A
Other languages
German (de)
Other versions
AT339257B (en
Original Assignee
Stauffer Chemical Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Stauffer Chemical Co filed Critical Stauffer Chemical Co
Publication of ATA233373A publication Critical patent/ATA233373A/en
Application granted granted Critical
Publication of AT339257B publication Critical patent/AT339257B/en

Links

Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N25/00—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
    • A01N25/26—Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests in coated particulate form
    • A01N25/28—Microcapsules or nanocapsules
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J13/00—Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided for; Making microcapsules or microballoons
    • B01J13/02—Making microcapsules or microballoons
    • B01J13/06—Making microcapsules or microballoons by phase separation
    • B01J13/14—Polymerisation; cross-linking
    • B01J13/16—Interfacial polymerisation
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/30—Low-molecular-weight compounds
    • C08G18/302—Water
AT233373A 1972-03-15 1973-03-15 METHOD OF ENCAPSULATING A HYDROPHOBIC LIQUID OR SOLUTION IN A POLYURA ENVELOPE AT339257B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US23479372A 1972-03-15 1972-03-15
US32317173A 1973-01-12 1973-01-12

Publications (2)

Publication Number Publication Date
ATA233373A true ATA233373A (en) 1977-02-15
AT339257B AT339257B (en) 1977-10-10

Family

ID=26928288

Family Applications (1)

Application Number Title Priority Date Filing Date
AT233373A AT339257B (en) 1972-03-15 1973-03-15 METHOD OF ENCAPSULATING A HYDROPHOBIC LIQUID OR SOLUTION IN A POLYURA ENVELOPE

Country Status (15)

Country Link
JP (1) JPS585697B2 (en)
AT (1) AT339257B (en)
BE (1) BE796746A (en)
CA (1) CA1104882A (en)
CH (1) CH589478A5 (en)
DK (1) DK144784C (en)
FR (1) FR2176071B1 (en)
GB (1) GB1371179A (en)
HU (1) HU166773B (en)
IL (1) IL41773A (en)
IT (1) IT988133B (en)
MX (1) MX147152A (en)
NL (1) NL180985C (en)
RO (4) RO68787A (en)
YU (2) YU67473A (en)

Families Citing this family (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1044134A (en) * 1975-04-09 1978-12-12 Minnesota Mining And Manufacturing Company Microcapsule insecticide composition
US4140516A (en) * 1977-05-31 1979-02-20 Stauffer Chemical Company Encapsulation process employing phase transfer catalysts
US4223070A (en) * 1978-05-04 1980-09-16 Stauffer Chemical Company Impregnated porous granules with slow release pore membranes and process therefor
DK253779A (en) * 1978-08-03 1980-02-04 Du Pont INSECTICID AGENT AND PROCEDURE FOR PREPARING THEREOF
JPS5579867U (en) * 1978-11-29 1980-06-02
US4280833A (en) * 1979-03-26 1981-07-28 Monsanto Company Encapsulation by interfacial polycondensation, and aqueous herbicidal composition containing microcapsules produced thereby
JPS5615836A (en) * 1979-07-19 1981-02-16 Mitsubishi Paper Mills Ltd Micro capsule
DE2930409A1 (en) * 1979-07-26 1981-02-12 Bayer Ag SPRAY DRYING OF MICROCAPSEL DISPERSIONS
JPS56115635A (en) * 1980-02-18 1981-09-10 Kanzaki Paper Mfg Co Ltd Production of microcapsule
US4384975A (en) * 1980-06-13 1983-05-24 Sandoz, Inc. Process for preparation of microspheres
US4439581A (en) * 1981-09-03 1984-03-27 Kanzaki Paper Manufacturing Co., Ltd. Method for the production of microcapsules
JPS5880992U (en) * 1981-11-24 1983-06-01 日立化成工業株式会社 bathroom unit
JPS59166966A (en) * 1983-03-14 1984-09-20 Fuji Photo Film Co Ltd Production of capsule toner
AR240875A1 (en) * 1984-01-09 1991-03-27 Stauffer Chemical Co PROCEDURE FOR PRODUCING MULTIPLE SIZE POLYUREA CAPSULES CONTAINING A WATER IMMISCIBLE MATERIAL INSIDE IT AND THE RESULTING CAPSULES
US4681806A (en) * 1986-02-13 1987-07-21 Minnesota Mining And Manufacturing Company Particles containing releasable fill material and method of making same
JPH0818937B2 (en) * 1987-07-06 1996-02-28 住友化学工業株式会社 Organophosphorus insecticidal composition for agricultural and horticultural use
GB8827029D0 (en) * 1988-11-18 1988-12-21 Ici Plc Insecticidal compositions
US5461027A (en) 1989-01-24 1995-10-24 Griffin Corporation Microencapsulated pendimethalin and method of making and using same
US5160530A (en) * 1989-01-24 1992-11-03 Griffin Corporation Microencapsulated polymorphic agriculturally active material
US5526607A (en) * 1991-08-15 1996-06-18 Net/Tech International Water dispersible delivery system for an agriculturally active chemical
US5335449A (en) * 1991-08-15 1994-08-09 Net/Tech International, Inc. Delivery system for an agriculturally active chemical
US5866153A (en) * 1993-02-09 1999-02-02 Novartis Corporation Process for the preparation of microcapsules
KR100313589B1 (en) * 1993-02-09 2002-11-29 노바티스 아게 Process for the preparation of microcapsules
IL108835A (en) * 1994-03-03 1997-08-14 Ben Researchiversity Of The Ne Microencapsulated composition containing chlorpyrifos or endosulfan
US6248364B1 (en) 1997-04-07 2001-06-19 3M Innovative Properties Company Encapsulation process and encapsulated products
US6080418A (en) * 1997-04-07 2000-06-27 3M Innovative Properties Company Suspensions of microcapsules containing biologically active ingredients and adhesive microspheres
US6540991B2 (en) 2001-04-06 2003-04-01 3M Innovative Properties Company Stabilized active materials
CA2525263A1 (en) * 2003-05-11 2004-11-18 Ben Gurion University Of The Negev Research And Development Authority Encapsulated essential oils
CN104661526B (en) 2012-07-27 2018-01-09 Fmc有限公司 Clomazone preparation
BR112017007586B1 (en) 2014-11-07 2020-12-01 Givaudan Sa composition for encapsulated perfume, its formation method and personal hygiene product without rinsing
WO2016071152A1 (en) 2014-11-07 2016-05-12 Basf Se Process for preparing microcapsules having a polyurea shell and a lipophilic core material

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH453305A (en) * 1963-10-21 1968-06-14 Pilot Pen Co Ltd Process for encapsulating fine droplets of dispersed liquids
US3577515A (en) * 1963-12-13 1971-05-04 Pennwalt Corp Encapsulation by interfacial polycondensation
US3464926A (en) * 1965-04-26 1969-09-02 Pennwalt Corp Process for encapsulation

Also Published As

Publication number Publication date
CA1104882A (en) 1981-07-14
JPS585697B2 (en) 1983-02-01
RO68786A (en) 1980-10-30
BE796746A (en) 1973-09-14
GB1371179A (en) 1974-10-23
YU67473A (en) 1982-02-28
FR2176071B1 (en) 1977-04-22
HU166773B (en) 1975-05-28
NL180985B (en) 1987-01-02
RO68787A (en) 1980-01-15
NL7303636A (en) 1973-09-18
DK144784B (en) 1982-06-07
DK144784C (en) 1982-10-25
JPS492779A (en) 1974-01-11
FR2176071A1 (en) 1973-10-26
RO63946A (en) 1978-09-15
MX147152A (en) 1982-10-19
NL180985C (en) 1987-06-01
AT339257B (en) 1977-10-10
IT988133B (en) 1975-04-10
CH589478A5 (en) 1977-07-15
IL41773A0 (en) 1973-05-31
YU39646B (en) 1985-03-20
RO68788A (en) 1980-01-15
IL41773A (en) 1975-11-25

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Legal Events

Date Code Title Description
EIH Change in the person of patent owner
ELA Expired due to lapse of time