DE3485826T2 - Herstellung und verwendung polymerer kugeln. - Google Patents

Herstellung und verwendung polymerer kugeln.

Info

Publication number
DE3485826T2
DE3485826T2 DE8484308085T DE3485826T DE3485826T2 DE 3485826 T2 DE3485826 T2 DE 3485826T2 DE 8484308085 T DE8484308085 T DE 8484308085T DE 3485826 T DE3485826 T DE 3485826T DE 3485826 T2 DE3485826 T2 DE 3485826T2
Authority
DE
Germany
Prior art keywords
production
polymer balls
balls
polymer
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
DE8484308085T
Other languages
English (en)
Other versions
DE3485826D1 (de
Inventor
John Walker
John Robert Stockwell
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.)
Ciba Specialty Chemicals Water Treatments Ltd
Original Assignee
Allied Colloids Ltd
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=26287037&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE3485826(T2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from GB838331546A external-priority patent/GB8331546D0/en
Priority claimed from GB848420397A external-priority patent/GB8420397D0/en
Application filed by Allied Colloids Ltd filed Critical Allied Colloids Ltd
Publication of DE3485826D1 publication Critical patent/DE3485826D1/de
Application granted granted Critical
Publication of DE3485826T2 publication Critical patent/DE3485826T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • A61K9/14—Particulate form, e.g. powders, Processes for size reducing of pure drugs or the resulting products, Pure drug nanoparticles
    • A61K9/16—Agglomerates; Granulates; Microbeadlets ; Microspheres; Pellets; Solid products obtained by spray drying, spray freeze drying, spray congealing,(multiple) emulsion solvent evaporation or extraction
    • A61K9/1605—Excipients; Inactive ingredients
    • A61K9/1629—Organic macromolecular compounds
    • A61K9/1635—Organic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyvinyl pyrrolidone, poly(meth)acrylates
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S507/00—Earth boring, well treating, and oil field chemistry
    • Y10S507/902—Controlled release agent
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S507/00—Earth boring, well treating, and oil field chemistry
    • Y10S507/927—Well cleaning fluid
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S507/00—Earth boring, well treating, and oil field chemistry
    • Y10S507/927—Well cleaning fluid
    • Y10S507/929—Cleaning organic contaminant
    • Y10S507/931—Organic contaminant is paraffinic
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S507/00—Earth boring, well treating, and oil field chemistry
    • Y10S507/939—Corrosion inhibitor
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S525/00—Synthetic resins or natural rubbers -- part of the class 520 series
    • Y10S525/902—Core-shell

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Epidemiology (AREA)
  • Medicinal Chemistry (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
DE8484308085T 1983-11-25 1984-11-21 Herstellung und verwendung polymerer kugeln. Expired - Lifetime DE3485826T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB838331546A GB8331546D0 (en) 1983-11-25 1983-11-25 Polymeric compositions
GB848420397A GB8420397D0 (en) 1984-08-10 1984-08-10 Polymeric compositions

Publications (2)

Publication Number Publication Date
DE3485826D1 DE3485826D1 (de) 1992-08-27
DE3485826T2 true DE3485826T2 (de) 1992-12-10

Family

ID=26287037

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8484308085T Expired - Lifetime DE3485826T2 (de) 1983-11-25 1984-11-21 Herstellung und verwendung polymerer kugeln.

Country Status (4)

Country Link
US (1) US4656205A (de)
EP (1) EP0143608B1 (de)
CA (1) CA1245105A (de)
DE (1) DE3485826T2 (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3265276D1 (en) * 1981-11-23 1985-09-12 Agfa Gevaert Nv Method for the preparation of stable aqueous dispersions of polymer beads and the use of these dispersions in photographic elements
US4690825A (en) * 1985-10-04 1987-09-01 Advanced Polymer Systems, Inc. Method for delivering an active ingredient by controlled time release utilizing a novel delivery vehicle which can be prepared by a process utilizing the active ingredient as a porogen
US5145675A (en) * 1986-03-31 1992-09-08 Advanced Polymer Systems, Inc. Two step method for preparation of controlled release formulations
ATE106235T1 (de) * 1986-08-15 1994-06-15 Advanced Polymer Systems Inc Polymere trägerzubereitungen, herstellung und verwendung.
ZA886284B (en) * 1987-08-31 1990-04-25 Advanced Polymer Systems Inc Controlled release formulations
US5840293A (en) * 1988-11-16 1998-11-24 Advanced Polymer Systems, Inc. Ionic beads for controlled release and adsorption
NL9002336A (nl) * 1990-10-24 1992-05-18 Leuven K U Res & Dev Bekledings- of matrixmateriaal voor geneesmiddelen.
US5407909A (en) * 1992-07-15 1995-04-18 Kb Technologies, Ltd. Earth support fluid composition and method for its use
DK0656459T3 (da) * 1993-11-27 2001-06-18 Aea Technology Plc Fremgangsmåde til behandling af olieboringer
US5593624A (en) * 1995-05-24 1997-01-14 Lewis; Eugene R. Method for making cellular packaging board with inhibitor
US6248697B1 (en) 1997-02-12 2001-06-19 Kb Technologies, Ltd. Composition and method for a dual-function soil-grouting excavating or boring fluid
US6897186B2 (en) * 1997-02-12 2005-05-24 Kg International, Llc Composition and method for dual function soil grouting excavating or boring fluid
FR2775441B1 (fr) * 1998-02-27 2000-04-28 Serobiologiques Lab Sa Matrice pour la preparation de microparticules ou de nanoparticules, procede de fabrication de telles particules et particules obtenues
WO2011030824A1 (ja) 2009-09-11 2011-03-17 日本エンバイロケミカルズ株式会社 徐放性粒子およびその製造方法
JP6083936B2 (ja) 2011-03-11 2017-02-22 大阪ガスケミカル株式会社 徐放性粒子の製造方法
US10611953B2 (en) * 2015-07-23 2020-04-07 Finoric LLC Controlled release of well treatment agents into oil wells

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3156661A (en) * 1961-11-13 1964-11-10 Chemical Corp Of America Insecticidal water-based, self-polishing coating compositions
CH468192A (de) * 1964-06-19 1969-02-15 Ciba Geigy Verfahren zur Herstellung von Arzneimitteln in Perlenform
US3400093A (en) * 1966-03-11 1968-09-03 Feinberg Irving Process for preparing a stable polymer latex containing an insecticide
US3531409A (en) * 1967-01-06 1970-09-29 Petrolite Corp Solid solutions of corrosion inhibitors for use in treating oil wells
US4344431A (en) * 1969-03-24 1982-08-17 University Of Delaware Polymeric article for dispensing drugs
US3880991A (en) * 1969-03-24 1975-04-29 Brook David E Polymeric article for dispensing drugs
US3832252A (en) * 1970-09-29 1974-08-27 T Higuchi Method of making a drug-delivery device
US3854893A (en) * 1972-06-14 1974-12-17 Exxon Research Engineering Co Long side chain polymeric flow improvers for waxy hydrocarbon oils
FR2238477B1 (de) * 1973-07-27 1976-12-03 Roussel Uclaf
US4178361A (en) * 1973-09-10 1979-12-11 Union Corporation Sustained release pharmaceutical composition
US3906087A (en) * 1973-09-10 1975-09-16 Union Corp Sustained release of methantheline
DE2908794C2 (de) * 1978-03-09 1984-09-13 Japan Atomic Energy Research Institute, Tokio/Tokyo Verfahren zur Herstellung eines eine physiologisch aktive Substanz enthaltenden Polymerpräparates
US4588640A (en) * 1984-07-10 1986-05-13 Petrolite Corporation Particulate compositions

Also Published As

Publication number Publication date
CA1245105A (en) 1988-11-22
DE3485826D1 (de) 1992-08-27
EP0143608A3 (en) 1987-03-04
EP0143608B1 (de) 1992-07-22
EP0143608A2 (de) 1985-06-05
US4656205A (en) 1987-04-07

Similar Documents

Publication Publication Date Title
PT85616A (de) Aryloxycarbonsaurederivate ihre herstellung und verwendung
DE3884095T2 (de) Polymerteilchen und ihre Herstellung.
DE3851132D1 (de) Polymerteilchen und ihre Herstellung.
DE3688842D1 (de) Elastische beinwinde und deren herstellung.
DE3588225T2 (de) Anti-Lymphotoxin-Antikörper, Herstellung und Verwendung
DE3579888D1 (de) Carbapenemverbindungen und deren herstellung.
DE3687646T2 (de) Biosensor und dessen herstellung.
DE68919304T2 (de) Leitfähige Zusammensetzung und Methode zur Herstellung derselben.
DE3650339D1 (de) Herstellung von Urandioxid-Material.
DE3581578D1 (de) Antikoerper, herstellung und verwendung.
DE3485826T2 (de) Herstellung und verwendung polymerer kugeln.
DE68925280D1 (de) Datenstromkoppler und methode der herstellung und zusammenstellung desselben
DE3485233D1 (de) Polymer mit fluor enthaltender endgruppe und seine herstellung.
DE3576697D1 (de) Perfluoralkylvinylpolymer und seine herstellung.
DE134141T1 (de) Polartikel und deren herstellung.
DE3864609D1 (de) Siliciumdioxidpartikel, deren herstellung und verwendung.
DE3484531D1 (de) Tetrahydrobenzotriazole, deren herstellung und verwendung.
DE3673587D1 (de) Magnetronanode und deren herstellung.
DE3682882D1 (de) Menschliches immunoglobulin-g-fc-region-protein und dessen herstellung.
DE3585097D1 (de) Herstellung menschlicher urokinase.
DE3381966D1 (de) Hitzebestaendiges harz, waermehaertbare mischung zu seiner herstellung und praepolymer.
DE3677157D1 (de) Saugfaehige binden und deren herstellung.
DE3481522D1 (de) Herstellung von aminopolyolen.
DE3584156D1 (de) Gif-2 und dessen herstellung.
DE69128176T2 (de) Herstellung von Fluorphenolen, Fluorhalophenolen, N-Azylfluoranilinen und N-Azylfluorhaloanilinen

Legal Events

Date Code Title Description
8363 Opposition against the patent
8331 Complete revocation