CA1104882A - Encapsulation process - Google Patents

Encapsulation process

Info

Publication number
CA1104882A
CA1104882A CA164,086A CA164086A CA1104882A CA 1104882 A CA1104882 A CA 1104882A CA 164086 A CA164086 A CA 164086A CA 1104882 A CA1104882 A CA 1104882A
Authority
CA
Canada
Prior art keywords
water
immiscible
phase
aqueous phase
organic
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
CA164,086A
Other languages
English (en)
French (fr)
Other versions
CA164086S (en
Inventor
Herbert B. Scher
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Stauffer Chemical Co
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
Application granted granted Critical
Publication of CA1104882A publication Critical patent/CA1104882A/en
Expired legal-status Critical Current

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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Wood Science & Technology (AREA)
  • Agronomy & Crop Science (AREA)
  • Medicinal Chemistry (AREA)
  • Pest Control & Pesticides (AREA)
  • Plant Pathology (AREA)
  • Dispersion Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Dentistry (AREA)
  • Polymers & Plastics (AREA)
  • Zoology (AREA)
  • Environmental Sciences (AREA)
  • Manufacturing Of Micro-Capsules (AREA)
  • Medicinal Preparation (AREA)
  • Fats And Perfumes (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Fireproofing Substances (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
CA164,086A 1972-03-15 1973-02-20 Encapsulation process Expired CA1104882A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US23479372A 1972-03-15 1972-03-15
US234,793 1972-03-15
US32317173A 1973-01-12 1973-01-12
US323,171 1973-01-12

Publications (1)

Publication Number Publication Date
CA1104882A true CA1104882A (en) 1981-07-14

Family

ID=26928288

Family Applications (1)

Application Number Title Priority Date Filing Date
CA164,086A Expired CA1104882A (en) 1972-03-15 1973-02-20 Encapsulation process

Country Status (15)

Country Link
JP (1) JPS585697B2 (US06811534-20041102-M00003.png)
AT (1) AT339257B (US06811534-20041102-M00003.png)
BE (1) BE796746A (US06811534-20041102-M00003.png)
CA (1) CA1104882A (US06811534-20041102-M00003.png)
CH (1) CH589478A5 (US06811534-20041102-M00003.png)
DK (1) DK144784C (US06811534-20041102-M00003.png)
FR (1) FR2176071B1 (US06811534-20041102-M00003.png)
GB (1) GB1371179A (US06811534-20041102-M00003.png)
HU (1) HU166773B (US06811534-20041102-M00003.png)
IL (1) IL41773A (US06811534-20041102-M00003.png)
IT (1) IT988133B (US06811534-20041102-M00003.png)
MX (1) MX147152A (US06811534-20041102-M00003.png)
NL (1) NL180985C (US06811534-20041102-M00003.png)
RO (4) RO63946A (US06811534-20041102-M00003.png)
YU (2) YU67473A (US06811534-20041102-M00003.png)

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 (da) * 1978-08-03 1980-02-04 Du Pont Insecticidt middel og fremgangsmaade til fremstilling deraf
JPS5579867U (US06811534-20041102-M00003.png) * 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 (de) * 1979-07-26 1981-02-12 Bayer Ag Spruehtrocknung von mikrokapseldispersionen
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 (ja) * 1981-11-24 1983-06-01 日立化成工業株式会社 浴室ユニツト
JPS59166966A (ja) * 1983-03-14 1984-09-20 Fuji Photo Film Co Ltd カプセルトナ−の製造法
AR240875A1 (es) * 1984-01-09 1991-03-27 Stauffer Chemical Co Procedimiento para producir capsulas de poliurea de dimensiones multiples que contienen un material inmiscible en agua en su interior y las capsulas resultantes
US4681806A (en) * 1986-02-13 1987-07-21 Minnesota Mining And Manufacturing Company Particles containing releasable fill material and method of making same
JPH0818937B2 (ja) * 1987-07-06 1996-02-28 住友化学工業株式会社 農園芸用有機燐系殺虫組成物
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 (ko) * 1993-02-09 2002-11-29 노바티스 아게 미세캡슐의 제조방법
IL108835A (en) * 1994-03-03 1997-08-14 Ben Researchiversity Of The Ne Microencapsulated composition containing chlorpyrifos or endosulfan
US6080418A (en) * 1997-04-07 2000-06-27 3M Innovative Properties Company Suspensions of microcapsules containing biologically active ingredients and adhesive microspheres
US6248364B1 (en) 1997-04-07 2001-06-19 3M Innovative Properties Company Encapsulation process and encapsulated products
US6540991B2 (en) 2001-04-06 2003-04-01 3M Innovative Properties Company Stabilized active materials
BRPI0410210A (pt) * 2003-05-11 2006-05-09 Univ Ben Gurion processos para preparar microcápsulas de óleo essencial e para formar microcápsulas de óleos essencias
CA2879854C (en) 2012-07-27 2021-07-20 Fmc Corporation Formulations of clomazone
MX2017004536A (es) 2014-11-07 2017-06-27 Givaudan Sa Composicion de capsula.
KR20170081211A (ko) 2014-11-07 2017-07-11 바스프 에스이 폴리우레아 쉘 및 친유성 코어 재료를 갖는 마이크로캡슐의 제조 방법

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH453305A (fr) * 1963-10-21 1968-06-14 Pilot Pen Co Ltd Procédé pour encapsuler de fines gouttelettes de liquides dispersées
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
RO68787A (ro) 1980-01-15
MX147152A (es) 1982-10-19
GB1371179A (en) 1974-10-23
ATA233373A (de) 1977-02-15
HU166773B (US06811534-20041102-M00003.png) 1975-05-28
BE796746A (fr) 1973-09-14
JPS585697B2 (ja) 1983-02-01
IL41773A0 (en) 1973-05-31
AT339257B (de) 1977-10-10
FR2176071B1 (US06811534-20041102-M00003.png) 1977-04-22
IT988133B (it) 1975-04-10
RO68786A (ro) 1980-10-30
RO63946A (fr) 1978-09-15
DK144784C (da) 1982-10-25
YU67473A (en) 1982-02-28
FR2176071A1 (US06811534-20041102-M00003.png) 1973-10-26
JPS492779A (US06811534-20041102-M00003.png) 1974-01-11
IL41773A (en) 1975-11-25
CH589478A5 (US06811534-20041102-M00003.png) 1977-07-15
NL180985B (nl) 1987-01-02
RO68788A (ro) 1980-01-15
NL180985C (nl) 1987-06-01
YU39646B (en) 1985-03-20
NL7303636A (US06811534-20041102-M00003.png) 1973-09-18
DK144784B (da) 1982-06-07

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Legal Events

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