GB2135954B - Microcapsules and process for the production thereof - Google Patents

Microcapsules and process for the production thereof

Info

Publication number
GB2135954B
GB2135954B GB08305439A GB8305439A GB2135954B GB 2135954 B GB2135954 B GB 2135954B GB 08305439 A GB08305439 A GB 08305439A GB 8305439 A GB8305439 A GB 8305439A GB 2135954 B GB2135954 B GB 2135954B
Authority
GB
United Kingdom
Prior art keywords
microcapsules
production
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
GB08305439A
Other versions
GB2135954A (en
GB8305439D0 (en
Inventor
Horst Dautzenberg
Fritz Loth
Klaus Pommerening
Karl-Joachim Linow
Dieter Bartsch
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.)
Akademie der Wissenschaften der DDR
Original Assignee
Akademie der Wissenschaften der DDR
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 Akademie der Wissenschaften der DDR filed Critical Akademie der Wissenschaften der DDR
Publication of GB8305439D0 publication Critical patent/GB8305439D0/en
Publication of GB2135954A publication Critical patent/GB2135954A/en
Application granted granted Critical
Publication of GB2135954B publication Critical patent/GB2135954B/en
Expired legal-status Critical Current

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
    • B01J13/10—Complex coacervation, i.e. interaction of oppositely charged particles
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00—Medicinal preparations characterised by special physical form
    • A61K9/48—Preparations in capsules, e.g. of gelatin, of chocolate
    • A61K9/50—Microcapsules having a gas, liquid or semi-solid filling; Solid microparticles or pellets surrounded by a distinct coating layer, e.g. coated microspheres, coated drug crystals
    • A61K9/5089—Processes
    • 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
    • B01J13/04—Making microcapsules or microballoons by physical processes, e.g. drying, spraying

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Medicinal Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Manufacturing Of Micro-Capsules (AREA)
GB08305439A 1980-11-14 1983-02-28 Microcapsules and process for the production thereof Expired GB2135954B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DD22520080A DD160393A3 (en) 1980-11-14 1980-11-14 MICRO CAPSULES AND METHOD FOR THE PRODUCTION THEREOF

Publications (3)

Publication Number Publication Date
GB8305439D0 GB8305439D0 (en) 1983-03-30
GB2135954A GB2135954A (en) 1984-09-12
GB2135954B true GB2135954B (en) 1986-12-03

Family

ID=5527239

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08305439A Expired GB2135954B (en) 1980-11-14 1983-02-28 Microcapsules and process for the production thereof

Country Status (4)

Country Link
CH (1) CH659591A5 (en)
DD (1) DD160393A3 (en)
DE (1) DE3306259C2 (en)
GB (1) GB2135954B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7939103B2 (en) 2004-03-19 2011-05-10 Capsulution Pharma Ag Method for producing core-shell (CS) particles and microcapsules using porous templates, CS particles and microcapsules, and the use thereof

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0152898B1 (en) * 1984-02-15 1990-01-17 Massachusetts Institute Of Technology Process for encapsulation and encapsulated active material system(
DE3871176D1 (en) * 1987-02-25 1992-06-25 Hoechst Ag MICRO-ENCAPSULATION OF BIOLOGICALLY ACTIVE MATERIAL.
US6531156B1 (en) 1994-04-15 2003-03-11 Temple University Aqueous solven encapsulation method, apparatus and microcapsules
US5686113A (en) * 1995-03-21 1997-11-11 Temple University Of The Commonwealth System Of Higher Education Microcapsules of predetermined peptide(s) specificity (ies), their preparation and uses
SI0835137T1 (en) * 1995-06-27 2006-04-30 Bavarian Nordic As Encapsulated cells producing viral particles
US6479146B1 (en) 1998-03-19 2002-11-12 Max-Planck-Gesellschaft Zur Forderung Der Wissenschaften, E.V. Fabrication of multilayer-coated particles and hollow shells via electrostatic self-assembly of nanocomposite multilayers on decomposable colloidal templates
JP2002506719A (en) * 1998-03-19 2002-03-05 マックス−プランク−ゲゼルシャフト・ツア・フェルデルング・デア・ヴィッセンシャフテン・エー・ファオ Fabrication of nanocapsules and microcapsules by layered polyelectrolyte self-assembly
US7101575B2 (en) 1998-03-19 2006-09-05 Max-Planck-Gesellschaft Zur Forderung Der Wissenschaften E.V. Production of nanocapsules and microcapsules by layer-wise polyelectrolyte self-assembly
DE10100689A1 (en) * 2001-01-09 2002-07-18 Henkel Kgaa Microcapsules containing washing and cleaning active substances
ES2295674T3 (en) * 2002-08-02 2008-04-16 Capsulution Nanoscience Ag LAYER COAT MICROCAPSULES CODIFIED CHROMATICALLY AS COMBINATORY ANALYSIS LIBRARIES AND AS SPECIFIC OPTICAL SENSORS.
DE10244503A1 (en) * 2002-09-25 2004-04-08 Capsulution Nanoscience Ag Method for the preparation and stabilization of micro and nano suspensions with amphiphiles and polyelectrolytes
US7348399B2 (en) 2003-08-29 2008-03-25 Louisiana Tech University Foundation, Inc. Nanofabricated polypeptide multilayer films, coatings, and microcapsules
US7544770B2 (en) 2003-08-29 2009-06-09 Louisiana Tech Foundation, Inc. Multilayer films, coatings, and microcapsules comprising polypeptides
US7550557B2 (en) 2003-08-29 2009-06-23 Louisiana Tech University Foundation, Inc. Multilayer films, coatings, and microcapsules comprising polypeptides
EP1524030A1 (en) * 2003-10-18 2005-04-20 Cognis Iberia S.L Process and device for making microcapsules
CA2825473C (en) 2011-01-25 2021-02-16 Austrianova Singapore Pte Ltd. Protection of microbial cells from acidic degradation
FR2972371B1 (en) * 2011-03-08 2013-03-15 Capsum METHOD OF FORMING DROPS FROM A FIRST PHASE DISPERSED IN A SECOND PHASE SUBSTANTIALLY IMMISCIBLE WITH THE FIRST PHASE
US10300006B2 (en) * 2011-03-08 2019-05-28 Capsum Method for forming drops of a first phase, dispersed in a second phase substantially immiscible with the first phase
PL401927A1 (en) * 2012-12-06 2014-06-09 Zachodniopomorski Uniwersytet Technologiczny W Szczecinie Method for preparing a starch sorbent
PL405101A1 (en) 2013-08-20 2015-03-02 Zachodniopomorski Uniwersytet Technologiczny W Szczecinie Method for manufacturing microcapsules
CN113797861B (en) * 2021-09-16 2024-03-29 江苏月旭新材料科技有限公司 Hydroxypropyl glucan microsphere and preparation method and application thereof
EP4159201A1 (en) 2021-09-30 2023-04-05 Biomind Labs Inc Encapsulated microparticles and nanoparticles of dimethyltriptamines

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE530008A (en) * 1953-06-30
DE2010116A1 (en) * 1970-03-04 1971-09-16 Farbenfabriken Bayer Ag, 5090 Leverkusen Process for the production of micro-granules
GB1484562A (en) * 1973-01-23 1977-09-14 Unilever Ltd Process for preparing encapsulated drops of fruit materia
JPS5843137B2 (en) * 1974-04-09 1983-09-24 富士写真フイルム株式会社 capsule kahouhou
NO158284C (en) * 1981-03-13 1988-08-17 Damon Biotech Inc PROCEDURE FOR SELECTIVE USE OF A PERMEABLE MEMBRANE.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7939103B2 (en) 2004-03-19 2011-05-10 Capsulution Pharma Ag Method for producing core-shell (CS) particles and microcapsules using porous templates, CS particles and microcapsules, and the use thereof

Also Published As

Publication number Publication date
GB2135954A (en) 1984-09-12
GB8305439D0 (en) 1983-03-30
DE3306259C2 (en) 1998-07-09
CH659591A5 (en) 1987-02-13
DE3306259A1 (en) 1984-08-23
DD160393A3 (en) 1983-07-27

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Effective date: 20030227