DE69710395D1 - PH-empfindliche Mikrokapseln. - Google Patents

PH-empfindliche Mikrokapseln.

Info

Publication number
DE69710395D1
DE69710395D1 DE69710395T DE69710395T DE69710395D1 DE 69710395 D1 DE69710395 D1 DE 69710395D1 DE 69710395 T DE69710395 T DE 69710395T DE 69710395 T DE69710395 T DE 69710395T DE 69710395 D1 DE69710395 D1 DE 69710395D1
Authority
DE
Germany
Prior art keywords
methods
microcapsules
sensitive
microcapsules sensitive
immiscible
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 - Lifetime
Application number
DE69710395T
Other languages
English (en)
Other versions
DE69710395T2 (de
Inventor
Robin William Dexter
Brian Eric Benoff
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.)
BASF SE
Original Assignee
BASF SE
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 BASF SE filed Critical BASF SE
Publication of DE69710395D1 publication Critical patent/DE69710395D1/de
Application granted granted Critical
Publication of DE69710395T2 publication Critical patent/DE69710395T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • A01N33/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic nitrogen compounds
    • A01N33/16—Biocides, pest repellants or attractants, or plant growth regulators containing organic nitrogen compounds containing nitrogen-to-oxygen bonds
    • A01N33/18—Nitro compounds

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Pest Control & Pesticides (AREA)
  • Plant Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Dentistry (AREA)
  • Agronomy & Crop Science (AREA)
  • Zoology (AREA)
  • Environmental Sciences (AREA)
  • Toxicology (AREA)
  • Manufacturing Of Micro-Capsules (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Medicinal Preparation (AREA)
DE69710395T 1996-08-15 1997-08-13 PH-empfindliche Mikrokapseln. Expired - Lifetime DE69710395T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/702,088 US6022501A (en) 1996-08-15 1996-08-15 pH-sensitive microcapsules

Publications (2)

Publication Number Publication Date
DE69710395D1 true DE69710395D1 (de) 2002-03-21
DE69710395T2 DE69710395T2 (de) 2002-07-11

Family

ID=24819823

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69710395T Expired - Lifetime DE69710395T2 (de) 1996-08-15 1997-08-13 PH-empfindliche Mikrokapseln.

Country Status (8)

Country Link
US (2) US6022501A (de)
EP (1) EP0823993B1 (de)
JP (1) JP4565169B2 (de)
AT (1) ATE213122T1 (de)
DE (1) DE69710395T2 (de)
DK (1) DK0823993T3 (de)
ES (1) ES2172750T3 (de)
PT (1) PT823993E (de)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU757132B2 (en) * 1998-07-29 2003-02-06 Syngenta Limited Base-triggered release microcapsules
US6544540B2 (en) * 1998-07-29 2003-04-08 Syngenta Limited Base-triggered release microcapsules
MXPA01001072A (es) * 1998-07-30 2002-08-20 Syngenta Ltd Microcapsulas de liberacion iniciada por acido.
US6337130B1 (en) 1998-07-30 2002-01-08 Zeneca Limited Acid-triggered release microcapsules
CA2348764C (en) * 1998-11-12 2007-09-25 Fmc Corporation Process to prepare microencapsulated formulations
CN1265872C (zh) * 2000-06-05 2006-07-26 辛甄塔有限公司 新型微胶囊
US7053034B2 (en) * 2002-04-10 2006-05-30 Salvona, Llc Targeted controlled delivery compositions activated by changes in pH or salt concentration
AU2004228947B2 (en) * 2003-04-14 2010-05-13 Basf Aktiengesellschaft An aqueous, flowable concentrate composition of pendimethalin
JP2006255536A (ja) * 2005-03-15 2006-09-28 Trans Parent:Kk ｐＨ応答性マイクロカプセルの調製方法
US7790225B1 (en) * 2005-09-19 2010-09-07 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Coatings and methods for corrosion detection and/or reduction
US9227221B2 (en) * 2005-09-19 2016-01-05 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Hydrophilic-core microcapsules and their formation
CA2646050A1 (en) 2006-03-30 2007-10-11 Gelesis, Inc. Styrene-maleic anhydride copolymers for bioapplications and their preparation
ES2389224T3 (es) * 2006-09-18 2012-10-24 Aeci Limited Composición agrícola con indicadores de color de PH
US20110218123A1 (en) 2008-09-19 2011-09-08 President And Fellows Of Harvard College Creation of libraries of droplets and related species
EP2346326B1 (de) * 2008-10-14 2014-03-26 Basf Se Kristalline komplexe von pendimethalin und metazachlor
EP2531023B1 (de) * 2010-02-03 2016-03-23 UPL Limited Verbesserte formulierung
CN102939004B (zh) * 2010-04-06 2015-09-23 阿格罗塞文公司 农用化学品的特异性输送
US8859288B2 (en) * 2011-07-11 2014-10-14 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration pH-sensitive microparticles with matrix-dispersed active agent
CA2851040A1 (en) 2011-10-06 2013-04-11 Agrosavfe N.V. Manufacturing of specifically targeting microcapsules
JP2015503564A (ja) * 2011-12-27 2015-02-02 ダウ グローバル テクノロジーズ エルエルシー マイクロカプセル
US20160279068A1 (en) * 2013-11-08 2016-09-29 President And Fellows Of Harvard College Microparticles, methods for their preparation and use
CN108289797B (zh) 2015-10-13 2022-01-28 哈佛学院院长及董事 用于制备和使用凝胶微球的系统和方法
US10405543B2 (en) * 2016-10-31 2019-09-10 Rohm And Haas Company Microcapsule compositions and the method of their release
US20200197894A1 (en) * 2017-08-21 2020-06-25 President And Fellow Of Harvard College Poly(acid) microcapsules and related methods
CN111432781A (zh) 2017-12-13 2020-07-17 高露洁-棕榄公司 包含pH-敏感微胶囊的组合物
CN113557081A (zh) * 2019-08-05 2021-10-26 弗门尼舍有限公司 聚(酰胺-酯)微胶囊
JP2023552995A (ja) 2020-12-04 2023-12-20 スリーエム イノベイティブ プロパティズ カンパニー 歯科用ｐＨ感受性マイクロカプセル

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3429827A (en) * 1962-11-23 1969-02-25 Moore Business Forms Inc Method of encapsulation
US3577515A (en) * 1963-12-13 1971-05-04 Pennwalt Corp Encapsulation by interfacial polycondensation
US3959464A (en) * 1971-06-03 1976-05-25 Pennwalt Corporation Microencapsulated methyl and ethyl parathion insecticide in aqueous carrier
US4360376A (en) * 1978-03-17 1982-11-23 Pennwalt Corporation Microencapsulated trifluralin
JPS55109443A (en) * 1978-12-19 1980-08-22 Mars Inc Microocapsulizing process
DE3020781C2 (de) 1980-05-31 1982-11-18 Hoechst Ag, 6000 Frankfurt Druckbeständige Mikrokapseln mit einer Polyamid-Außenhülle und einer durch Polyurethan-Polyharnstoff oder Polyharnstoff strukturierten Innenmasse und Verfahren zu ihrer Herstellung
US4956129A (en) * 1984-03-30 1990-09-11 Ici Americas Inc. Microencapsulation process
FR2526328A1 (fr) * 1982-05-04 1983-11-10 Centre Nat Rech Scient Microcapsules a paroi obtenue par reticulation des proteines du lait, et leur procede de preparation
US4563212A (en) * 1983-12-27 1986-01-07 Monsanto Company High concentration encapsulation by interfacial polycondensation
US4534783A (en) * 1984-01-03 1985-08-13 Monsanto Co. High concentration encapsulation of water soluble-materials
ATE30522T1 (de) * 1984-03-30 1987-11-15 Stauffer Chemical Co Mikrokapseln und verfahren zur mikroeinkapselung.
JPS60227826A (ja) * 1984-04-27 1985-11-13 Sogo Yatsukou Kk ｐＨに応答するグラフトカプセル
JPS61192785A (ja) * 1985-02-22 1986-08-27 Nok Corp マイクロカプセル化蓄熱材の製造方法
US5120349A (en) * 1990-12-07 1992-06-09 Landec Labs, Inc. Microcapsule having temperature-dependent permeability profile
JPH05239112A (ja) * 1992-03-02 1993-09-17 Nippon Paint Co Ltd 水不溶性化学薬品を固定化した微小樹脂粒子の製造
GB9205712D0 (en) * 1992-03-16 1992-04-29 Allied Colloids Ltd Coacervation processes
AU672465B2 (en) * 1992-12-04 1996-10-03 E.I. Du Pont De Nemours And Company Microcapsule formulations of agricultural chemicals
KR100313589B1 (ko) * 1993-02-09 2002-11-29 노바티스 아게 미세캡슐의 제조방법
DE4321205B4 (de) * 1993-06-25 2006-06-29 Basf Ag Mikrokapseln, Verfahren zu ihrer Herstellung und ihre Verwendung
IT1272943B (it) * 1994-02-01 1997-07-01 Bend Res Inc Composizioni insetticide labili

Also Published As

Publication number Publication date
ATE213122T1 (de) 2002-02-15
EP0823993A2 (de) 1998-02-18
US6022501A (en) 2000-02-08
EP0823993B1 (de) 2002-02-13
DK0823993T3 (da) 2002-03-18
DE69710395T2 (de) 2002-07-11
EP0823993A3 (de) 1998-04-15
US6500447B1 (en) 2002-12-31
JP4565169B2 (ja) 2010-10-20
ES2172750T3 (es) 2002-10-01
PT823993E (pt) 2002-07-31
JPH10113553A (ja) 1998-05-06

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: BASF SE, 67063 LUDWIGSHAFEN, DE