ZA787208B - Encapsulation of substances by interfacial polycondensation - Google Patents

Encapsulation of substances by interfacial polycondensation

Info

Publication number
ZA787208B
ZA787208B ZA00787208A ZA787208A ZA787208B ZA 787208 B ZA787208 B ZA 787208B ZA 00787208 A ZA00787208 A ZA 00787208A ZA 787208 A ZA787208 A ZA 787208A ZA 787208 B ZA787208 B ZA 787208B
Authority
ZA
South Africa
Prior art keywords
encapsulation
substances
interfacial polycondensation
polycondensation
interfacial
Prior art date
Application number
ZA00787208A
Other languages
English (en)
Inventor
P Pellenard
B Chatenet
G Graber
Original Assignee
Philagro Sa
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 Philagro Sa filed Critical Philagro Sa
Publication of ZA787208B publication Critical patent/ZA787208B/xx

Links

Classifications

    • 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
    • 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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Dentistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Pest Control & Pesticides (AREA)
  • Plant Pathology (AREA)
  • Dispersion Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Agronomy & Crop Science (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Environmental Sciences (AREA)
  • Manufacturing Of Micro-Capsules (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Anti-Oxidant Or Stabilizer Compositions (AREA)
  • Fireproofing Substances (AREA)
  • Polyamides (AREA)
ZA00787208A 1977-12-30 1978-12-21 Encapsulation of substances by interfacial polycondensation ZA787208B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7739950A FR2413123A1 (fr) 1977-12-30 1977-12-30 Procede d'encapsulation par polycondensation interfaciale

Publications (1)

Publication Number Publication Date
ZA787208B true ZA787208B (en) 1979-12-27

Family

ID=9199623

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00787208A ZA787208B (en) 1977-12-30 1978-12-21 Encapsulation of substances by interfacial polycondensation

Country Status (30)

Country Link
US (1) US4309213A (ro)
JP (1) JPS54135671A (ro)
AR (1) AR221228A1 (ro)
AT (1) AT365097B (ro)
AU (1) AU522021B2 (ro)
BE (1) BE873248A (ro)
BR (1) BR7808615A (ro)
CA (1) CA1129725A (ro)
CH (1) CH643155A5 (ro)
CS (1) CS208771B2 (ro)
DD (1) DD141113A5 (ro)
DE (1) DE2855065A1 (ro)
DK (1) DK149341C (ro)
ES (1) ES476279A1 (ro)
FR (1) FR2413123A1 (ro)
GB (1) GB2011341B (ro)
HU (1) HU180275B (ro)
IE (1) IE47702B1 (ro)
IL (1) IL56331A (ro)
IN (1) IN150286B (ro)
IT (1) IT1102793B (ro)
LU (1) LU80741A1 (ro)
NL (1) NL7812612A (ro)
OA (1) OA06163A (ro)
PL (1) PL117790B1 (ro)
PT (1) PT68997A (ro)
RO (1) RO75807A (ro)
SE (1) SE434127B (ro)
YU (1) YU310978A (ro)
ZA (1) ZA787208B (ro)

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4356108A (en) * 1979-12-20 1982-10-26 The Mead Corporation Encapsulation process
US4400391A (en) * 1980-01-09 1983-08-23 The United States Of America As Represented By The Secretary Of Agriculture Controlled release of bioactive materials using alginate gel beads
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
DE3039117A1 (de) * 1980-10-16 1982-05-13 Bayer Ag, 5090 Leverkusen Verfahren zur herstellung von mikrokapseln
FR2501059B1 (fr) * 1981-03-09 1986-04-11 Printex Sa Procede d'obtention de microcapsules isodiametrales a diametre regle
CA1165636A (en) * 1981-07-20 1984-04-17 George B. Beestman Encapsulation by interfacial polycondensation of polymethylene polyphenylisocyanate with a poly- functional amine in presence of a lignin sulfonate emulsifier
US4454083A (en) * 1981-12-21 1984-06-12 Appleton Papers Inc. Continuous microencapsulation
US4518547A (en) * 1983-09-15 1985-05-21 Board Of Regents, The University Of Texas System Microencapsulation process
DE3346601C2 (de) * 1983-12-23 1986-06-12 Feldmühle AG, 4000 Düsseldorf Mikrokapseln, Verfahren zu ihrer Herstellung und ihre Verwendung in druckempfindlichen kohlefreien Durchschreibepapieren
DE3421865A1 (de) * 1984-06-13 1985-12-19 Bayer Ag, 5090 Leverkusen Kontinuierliche herstellung von mikrokapseldispersionen
US4891245A (en) * 1986-03-21 1990-01-02 Koh-I-Noor Rapidograph, Inc. Electrophoretic display particles and a process for their preparation
US4936901A (en) 1986-07-09 1990-06-26 Monsanto Company Formulations of water-dispersible granules and process for preparation thereof
ZA874985B (en) 1986-07-09 1988-04-27 Monsanto Co Water-dispersible granules and process for the preparation thereof
DE3635823A1 (de) * 1986-10-22 1988-04-28 Bayer Ag Mikrokapseln mit verbesserten waenden
US4945121A (en) * 1987-08-18 1990-07-31 Koh-I-Noor Radiograph, Inc. Thermosetting dyed latex colorant dispersions
US4797692A (en) * 1987-09-02 1989-01-10 Xerox Corporation Thermal ink jet printer having ink nucleation control
DE3812567A1 (de) * 1988-04-15 1989-10-26 Basf Ag Verfahren zur herstellung pharmazeutischer mischungen
US5213934A (en) * 1991-01-07 1993-05-25 Xerox Corporation Microcapsule toner compositions
US5846554A (en) * 1993-11-15 1998-12-08 Zeneca Limited Microcapsules containing suspensions of biologically active compounds and ultraviolet protectant
CN1103540C (zh) * 1993-11-15 2003-03-26 泽尼卡有限公司 含生物活性化合物悬浮液的微囊
US5993842A (en) * 1994-12-12 1999-11-30 Zeneca Limited Microcapsules containing suspensions of biologically active compounds
US6153657A (en) * 1997-06-02 2000-11-28 Hodogaya Chemical Co., Ltd. Process for producing a solvent-less O/W type emulsion
NO20021592D0 (no) * 2002-04-04 2002-04-04 Fmc Biopolymer As Polysakkaridkapsler og fremgangsmåte ved fremstilling derav
DE10241373A1 (de) * 2002-09-06 2004-03-18 Clariant Gmbh Oberflächenmodifizierte Phosphinsäuresalze
US20050165131A1 (en) * 2003-10-06 2005-07-28 Terry Stovold Invisible ink
US20050075420A1 (en) * 2003-10-06 2005-04-07 Terry Stovold Invisible ink
US8053494B2 (en) * 2003-10-06 2011-11-08 Nocopi Technologies, Inc. Invisible ink and scratch pad
AU2006324740B2 (en) * 2005-12-12 2012-07-19 Sumitomo Chemical Company, Limited Microencapsulated pesticide
JP5028976B2 (ja) * 2005-12-12 2012-09-19 住友化学株式会社 固体農薬活性化合物を含有するマイクロカプセル
MY147222A (en) * 2005-12-14 2012-11-14 Sumitomo Chemical Co Microencapsulated pesticide
JP5028978B2 (ja) * 2005-12-14 2012-09-19 住友化学株式会社 固体農薬活性化合物を含有するマイクロカプセル
JP5372525B2 (ja) * 2006-03-03 2013-12-18 エフ エム シー コーポレーション カプセルの製造方法および該製造方法により製造されるカプセル
US11311467B2 (en) 2009-09-18 2022-04-26 International Flavors & Fragrances Inc. Polyurea capsules prepared with a polyisocyanate and cross-linking agent
WO2015023961A1 (en) * 2013-08-15 2015-02-19 International Flavors & Fragrances Inc. Polyurea or polyurethane capsules
US10085925B2 (en) 2009-09-18 2018-10-02 International Flavors & Fragrances Inc. Polyurea capsule compositions
SG10201806031VA (en) * 2018-07-13 2020-02-27 Mitsui Chemicals Inc Re-dispersible polyurea microcapsules and method of preparing re-dispersible polyurea microcapsules

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3575882A (en) * 1963-12-13 1971-04-20 Pennwalt Corp Encapsulation process
US3577515A (en) * 1963-12-13 1971-05-04 Pennwalt Corp Encapsulation by interfacial polycondensation
US3607776A (en) * 1968-06-11 1971-09-21 Pennwalt Corp Manufacture of ingestible capsules
DE2312059C2 (de) 1972-03-15 1987-04-02 Stauffer Chemical Co., Westport, Conn. Verfahren zum Einkapseln eines mit Wasser nicht mischbaren organischen Materials in einer Polyharnstoffkapsel
JPS5343152B2 (ro) * 1973-05-28 1978-11-17
US3901687A (en) * 1973-08-31 1975-08-26 Scott & Sons Co O M Process for the selective control of weeds in kentucky bluegrass
CA1020457A (en) * 1974-04-01 1977-11-08 Harold C. Nemeth Stable water dispersions of encapsulated parathion

Also Published As

Publication number Publication date
OA06163A (fr) 1981-06-30
PL212292A1 (ro) 1979-11-05
NL7812612A (nl) 1979-07-03
ES476279A1 (es) 1979-04-16
BE873248A (fr) 1979-06-29
DD141113A5 (de) 1980-04-16
IE782543L (en) 1979-06-30
US4309213A (en) 1982-01-05
DK587378A (da) 1979-08-13
IL56331A (en) 1981-07-31
FR2413123A1 (fr) 1979-07-27
CH643155A5 (fr) 1984-05-30
AU522021B2 (en) 1982-05-13
SE434127B (sv) 1984-07-09
DK149341C (da) 1987-03-02
IT1102793B (it) 1985-10-07
HU180275B (en) 1983-02-28
IL56331A0 (en) 1979-03-12
JPS6253220B2 (ro) 1987-11-09
YU310978A (en) 1983-01-21
RO75807A (ro) 1981-02-28
BR7808615A (pt) 1979-07-10
SE7813393L (sv) 1979-07-01
PT68997A (fr) 1979-01-01
IN150286B (ro) 1982-09-04
DE2855065A1 (de) 1979-07-12
DK149341B (da) 1986-05-12
GB2011341A (en) 1979-07-11
GB2011341B (en) 1982-03-24
FR2413123B1 (ro) 1981-10-23
JPS54135671A (en) 1979-10-22
AU4288378A (en) 1979-07-05
PL117790B1 (en) 1981-08-31
ATA929578A (de) 1981-05-15
IE47702B1 (en) 1984-05-30
IT7831437A0 (it) 1978-12-29
AR221228A1 (es) 1981-01-15
CS208771B2 (en) 1981-09-15
CA1129725A (en) 1982-08-17
AT365097B (de) 1981-12-10
LU80741A1 (fr) 1980-07-21

Similar Documents

Publication Publication Date Title
GB2011341B (en) Encapsulation of substances by interfacial polycondensation
DE3062315D1 (en) Encapsulation by interfacial polycondensation
GB1554957A (en) Encapsulation by entrapment
ZA766293B (en) Chemical composition
HK40583A (en) Nifedipine-containing solid preparation composition
JPS54132223A (en) Novel pharmaceutical composition
ZA762109B (en) Microcapsule insecticide composition
JPS52102432A (en) Pharmaceutical composition containing pyretrinoid
JPS55139423A (en) Manufacture of poly*esterrcarbonate* by interfacial method
JPS5331584A (en) Luminescent substances
JPS54127674A (en) Digital gate pulse generator
GR63072B (en) Chemical compositions
JPS525757A (en) Organosiloxane substituted by sulphoranyloxyalkyl
GB1552381A (en) Encapsulation process
JPS5367763A (en) Organosilicone composition
JPS5527168A (en) Drug composition
JPS52148579A (en) Encapsulation by interfacial polymerization
JPS54163589A (en) Cyclic silylperoxide
PH13266A (en) Shampoo composition
JPS5458756A (en) Organopolysiloxane composition
JPS5330487A (en) Luminescent substances
ZA752657B (en) Chemical composition
GB1503212A (en) Photohardenable resinous composition
ZA825221B (en) Encapsulation by interfacial polycondensation
JPS54154718A (en) Composition made from platinum cisscoordination compound