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PT97977A - Processo de preparacao de composicoes de gelificacao reversivel, a base de polimeros sensiveis a temperatura e ao ph, por exemplo metil celulose e poliacrilato - Google Patents

Processo de preparacao de composicoes de gelificacao reversivel, a base de polimeros sensiveis a temperatura e ao ph, por exemplo metil celulose e poliacrilato

Info

Publication number
PT97977A
PT97977A PT97977A PT9797791A PT97977A PT 97977 A PT97977 A PT 97977A PT 97977 A PT97977 A PT 97977A PT 9797791 A PT9797791 A PT 9797791A PT 97977 A PT97977 A PT 97977A
Authority
PT
Portugal
Prior art keywords
compositions
polymeres
gelification
polyacrylate
methyl cellulose
Prior art date
Application number
PT97977A
Other languages
English (en)
Other versions
PT97977B (pt
Inventor
Abhay Joshi
Shulin Ding
Kenneth James Himmelstein
Original Assignee
Allergan Inc
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=24149593&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=PT97977(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Allergan Inc filed Critical Allergan Inc
Publication of PT97977A publication Critical patent/PT97977A/pt
Publication of PT97977B publication Critical patent/PT97977B/pt

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
    • A61K9/0012—Galenical forms characterised by the site of application
    • A61K9/0048—Eye, e.g. artificial tears
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
    • A61K47/06—Organic compounds, e.g. natural or synthetic hydrocarbons, polyolefins, mineral oil, petrolatum or ozokerite
    • A61K47/08—Organic compounds, e.g. natural or synthetic hydrocarbons, polyolefins, mineral oil, petrolatum or ozokerite containing oxygen, e.g. ethers, acetals, ketones, quinones, aldehydes, peroxides
    • A61K47/10—Alcohols; Phenols; Salts thereof, e.g. glycerol; Polyethylene glycols [PEG]; Poloxamers; PEG/POE alkyl ethers
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
    • A61K47/06—Organic compounds, e.g. natural or synthetic hydrocarbons, polyolefins, mineral oil, petrolatum or ozokerite
    • A61K47/16—Organic compounds, e.g. natural or synthetic hydrocarbons, polyolefins, mineral oil, petrolatum or ozokerite containing nitrogen, e.g. nitro-, nitroso-, azo-compounds, nitriles, cyanates
    • A61K47/18—Amines; Amides; Ureas; Quaternary ammonium compounds; Amino acids; Oligopeptides having up to five amino acids
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
    • A61K47/30—Macromolecular organic or inorganic compounds, e.g. inorganic polyphosphates
    • A61K47/32—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds, e.g. carbomers, poly(meth)acrylates, or polyvinyl pyrrolidone
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
    • A61K47/30—Macromolecular organic or inorganic compounds, e.g. inorganic polyphosphates
    • A61K47/36—Polysaccharides; Derivatives thereof, e.g. gums, starch, alginate, dextrin, hyaluronic acid, chitosan, inulin, agar or pectin
    • A61K47/38—Cellulose; Derivatives thereof
    • 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
    • A61K9/0012—Galenical forms characterised by the site of application
    • A61K9/0019—Injectable compositions; Intramuscular, intravenous, arterial, subcutaneous administration; Compositions to be administered through the skin in an invasive manner
    • 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
    • A61K9/06—Ointments; Bases therefor; Other semi-solid forms, e.g. creams, sticks, gels
    • 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
    • A61K9/1641—Organic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyethylene glycol, poloxamers
    • A61K9/1647—Polyesters, e.g. poly(lactide-co-glycolide)

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Epidemiology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Proteomics, Peptides & Aminoacids (AREA)
  • Ophthalmology & Optometry (AREA)
  • Dermatology (AREA)
  • Medicinal Preparation (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Heat Sensitive Colour Forming Recording (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Cosmetics (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
PT97977A 1990-06-15 1991-06-14 Processo de preparacao de composicoes de gelificacao reversivel, a base de polimeros sensiveis a temperatura e ao ph, por exemplo metil celulose e poliacrilato PT97977B (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/539,061 US5252318A (en) 1990-06-15 1990-06-15 Reversible gelation compositions and methods of use

Publications (2)

Publication Number Publication Date
PT97977A true PT97977A (pt) 1992-03-31
PT97977B PT97977B (pt) 1998-11-30

Family

ID=24149593

Family Applications (1)

Application Number Title Priority Date Filing Date
PT97977A PT97977B (pt) 1990-06-15 1991-06-14 Processo de preparacao de composicoes de gelificacao reversivel, a base de polimeros sensiveis a temperatura e ao ph, por exemplo metil celulose e poliacrilato

Country Status (13)

Country Link
US (2) US5252318A (pt)
EP (1) EP0533836B1 (pt)
JP (1) JP3181912B2 (pt)
AT (1) ATE134508T1 (pt)
AU (1) AU8201391A (pt)
DE (1) DE69117509T2 (pt)
ES (1) ES2083581T3 (pt)
IE (1) IE74246B1 (pt)
IL (1) IL98320A (pt)
NZ (1) NZ238430A (pt)
PT (1) PT97977B (pt)
WO (1) WO1991019481A1 (pt)
ZA (1) ZA914559B (pt)

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US5252318A (en) 1993-10-12
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DE69117509T2 (de) 1996-09-19
EP0533836A4 (en) 1993-04-21
IL98320A0 (en) 1992-06-21
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DE69117509D1 (de) 1996-04-04
ATE134508T1 (de) 1996-03-15
ES2083581T3 (es) 1996-04-16
IE912033A1 (en) 1991-12-18
PT97977B (pt) 1998-11-30
JP3181912B2 (ja) 2001-07-03
ZA914559B (en) 1992-03-25
WO1991019481A1 (en) 1991-12-26
IE74246B1 (en) 1997-07-16
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AU8201391A (en) 1992-01-07
US5441732A (en) 1995-08-15

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