BR0112124A - Pó de celulose, processo para produzir um pó de celulose, excipiente, e, produto moldado - Google Patents

Pó de celulose, processo para produzir um pó de celulose, excipiente, e, produto moldado

Info

Publication number
BR0112124A
BR0112124A BR0112124-3A BR0112124A BR0112124A BR 0112124 A BR0112124 A BR 0112124A BR 0112124 A BR0112124 A BR 0112124A BR 0112124 A BR0112124 A BR 0112124A
Authority
BR
Brazil
Prior art keywords
cellulose powder
excipient
producing
molded product
average
Prior art date
Application number
BR0112124-3A
Other languages
English (en)
Other versions
BR0112124B1 (pt
Inventor
Kazuhiro Obae
Etsuo Kamada
Yohsuke Honda
Shun Ichi Gomi
Naoaki Yamazaki
Original Assignee
Asahi Chemical Ind
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=18701332&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BR0112124(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Asahi Chemical Ind filed Critical Asahi Chemical Ind
Publication of BR0112124A publication Critical patent/BR0112124A/pt
Publication of BR0112124B1 publication Critical patent/BR0112124B1/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
    • A61K9/20—Pills, tablets, discs, rods
    • A61K9/2004—Excipients; Inactive ingredients
    • A61K9/2022—Organic macromolecular compounds
    • A61K9/205—Polysaccharides, e.g. alginate, gums; Cyclodextrin
    • A61K9/2054—Cellulose; Cellulose derivatives, e.g. hydroxypropyl methylcellulose
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B15/00—Preparation of other cellulose derivatives or modified cellulose, e.g. complexes
    • C08B15/02—Oxycellulose; Hydrocellulose; Cellulosehydrate, e.g. microcrystalline cellulose
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B15/00—Preparation of other cellulose derivatives or modified cellulose, e.g. complexes
    • C08B15/08—Fractionation of cellulose, e.g. separation of cellulose crystallites
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Biochemistry (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Analytical Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Epidemiology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Medicinal Preparation (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

"Pó DE CELULOSE, PROCESSO PARA PRODUZIR UM Pó DE CELULOSE, EXCIPIENTE, E, PRODUTO MOLDADO". Provê-se um pó de celulose tendo um equilíbrio especialmente excelente dentre moldabilidade, fluidez e propriedade de desintegração. O pó de celulose apresenta um grau de polimerização médio de 150 - 450, um valor L/D médio (a relação do eixo maior para o eixo menor) das partículas de 75 <109>m ou menor que 2,0 - 4,5, um tamanho de partícula médio de 20 - 250 <109>m, um volume específico aparente de 4,0 - 7,0 cm^ 3^/g, um volume específico aparente, após a sua redução por pressão, de 2,4 - 4,5 cm^ 3^/g, e um ângulo de talude natural de 55<198> ou menor.
BRPI0112124-3A 2000-07-05 2001-06-28 pà de celulose, processo para produzir um pà de celulose, excipiente, e, produto moldado. BR0112124B1 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2000204000 2000-07-05
PCT/JP2001/005576 WO2002002643A1 (fr) 2000-07-05 2001-06-28 Poudre de cellulose

Publications (2)

Publication Number Publication Date
BR0112124A true BR0112124A (pt) 2003-09-02
BR0112124B1 BR0112124B1 (pt) 2011-06-14

Family

ID=18701332

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0112124-3A BR0112124B1 (pt) 2000-07-05 2001-06-28 pà de celulose, processo para produzir um pà de celulose, excipiente, e, produto moldado.

Country Status (10)

Country Link
US (2) US7939101B2 (pt)
EP (1) EP1300420B1 (pt)
JP (1) JP5110757B2 (pt)
KR (1) KR100496749B1 (pt)
CN (2) CN100497445C (pt)
AU (2) AU2001267860B2 (pt)
BR (1) BR0112124B1 (pt)
CA (1) CA2414945C (pt)
TW (1) TWI263506B (pt)
WO (1) WO2002002643A1 (pt)

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US8367115B2 (en) * 2007-08-27 2013-02-05 Asahi Kasei Chemicals Corporation Process for production of crystalline cellulose and tablets containing granules
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CN101481424B (zh) * 2009-02-06 2010-11-17 北京大学 一种超细微晶纤维素及其制备方法
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JP2013224265A (ja) * 2012-04-19 2013-10-31 Asahi Kasei Chemicals Corp 打圧感受性薬物を含有する錠剤
WO2013180246A1 (ja) * 2012-05-31 2013-12-05 旭化成ケミカルズ株式会社 セルロース粉末
US9592199B2 (en) 2012-05-31 2017-03-14 Asahi Kasei Chemicals Corporation Cellulose powder
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Also Published As

Publication number Publication date
CA2414945A1 (en) 2003-01-02
US7939101B2 (en) 2011-05-10
AU6786001A (en) 2002-01-14
US20100291161A1 (en) 2010-11-18
CA2414945C (en) 2006-07-04
CN1296387C (zh) 2007-01-24
JP5110757B2 (ja) 2012-12-26
CN1896122A (zh) 2007-01-17
US8221789B2 (en) 2012-07-17
KR100496749B1 (ko) 2005-06-22
WO2002002643A1 (fr) 2002-01-10
CN100497445C (zh) 2009-06-10
KR20030021240A (ko) 2003-03-12
AU2001267860B2 (en) 2005-06-16
EP1300420B1 (en) 2015-11-18
US20040053887A1 (en) 2004-03-18
BR0112124B1 (pt) 2011-06-14
EP1300420A4 (en) 2007-05-16
TWI263506B (en) 2006-10-11
CN1440425A (zh) 2003-09-03
EP1300420A1 (en) 2003-04-09

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Legal Events

Date Code Title Description
B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 28/06/2001, OBSERVADAS AS CONDICOES LEGAIS.

B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

Free format text: PATENTE EXTINTA EM 28.06.2021