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BR9006360A - Processo aperfeicoado de remocao de cafeina de uma solucao liquida - Google Patents

Processo aperfeicoado de remocao de cafeina de uma solucao liquida

Info

Publication number
BR9006360A
BR9006360A BR909006360A BR9006360A BR9006360A BR 9006360 A BR9006360 A BR 9006360A BR 909006360 A BR909006360 A BR 909006360A BR 9006360 A BR9006360 A BR 9006360A BR 9006360 A BR9006360 A BR 9006360A
Authority
BR
Brazil
Prior art keywords
liquid solution
removing caffeine
perfect process
perfect
caffeine
Prior art date
Application number
BR909006360A
Other languages
English (en)
Inventor
Kari R Dawson-Ekeland
Richard T Stringfield
Original Assignee
Dow Chemical Co
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 Dow Chemical Co filed Critical Dow Chemical Co
Publication of BR9006360A publication Critical patent/BR9006360A/pt

Links

Classifications

    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23F—COFFEE; TEA; THEIR SUBSTITUTES; MANUFACTURE, PREPARATION, OR INFUSION THEREOF
    • A23F3/00—Tea; Tea substitutes; Preparations thereof
    • A23F3/36—Reducing or removing alkaloid content; Preparations produced thereby; Extracts or infusions thereof
    • A23F3/38—Reducing or removing alkaloid content from tea extract
    • A23F3/385—Reducing or removing alkaloid content from tea extract using flocculating, precipitating, adsorbing or complex-forming agents, or ion-exchangers
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23F—COFFEE; TEA; THEIR SUBSTITUTES; MANUFACTURE, PREPARATION, OR INFUSION THEREOF
    • A23F5/00—Coffee; Coffee substitutes; Preparations thereof
    • A23F5/20—Reducing or removing alkaloid content; Preparations produced thereby; Extracts or infusions thereof
    • A23F5/22—Reducing or removing alkaloid content from coffee extract
    • A23F5/223—Reducing or removing alkaloid content from coffee extract using flocculating, precipitating, adsorbing or complex-forming agents, or ion-exchangers

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Polymers & Plastics (AREA)
  • Tea And Coffee (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Confectionery (AREA)
  • Treatment Of Liquids With Adsorbents In General (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
BR909006360A 1989-12-13 1990-12-10 Processo aperfeicoado de remocao de cafeina de uma solucao liquida BR9006360A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/450,786 US5021253A (en) 1989-12-13 1989-12-13 Decaffeination of liquid medium

Publications (1)

Publication Number Publication Date
BR9006360A true BR9006360A (pt) 1991-09-24

Family

ID=23789478

Family Applications (1)

Application Number Title Priority Date Filing Date
BR909006360A BR9006360A (pt) 1989-12-13 1990-12-10 Processo aperfeicoado de remocao de cafeina de uma solucao liquida

Country Status (6)

Country Link
US (1) US5021253A (pt)
EP (1) EP0432960A3 (pt)
JP (1) JPH03224601A (pt)
BR (1) BR9006360A (pt)
CA (1) CA2032025A1 (pt)
MX (1) MX174200B (pt)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5683800A (en) * 1994-10-28 1997-11-04 The Dow Chemical Company Surface-modified post-crosslinked adsorbents and a process for making the surface modified post-crosslinked adsorbents
US5519064A (en) * 1994-10-28 1996-05-21 The Dow Chemical Company Surface-modified post-crosslinked adsorbents and a process for making the surface modified post-crosslinked adsorbents
US5675286A (en) * 1996-02-12 1997-10-07 Motorola, Inc. Method and apparatus for an improved linear transmitter
US6210679B1 (en) 1999-01-07 2001-04-03 Hauser, Inc. Method for isolation of caffeine-free catechins from green tea
US6576275B1 (en) * 1999-02-02 2003-06-10 Archer-Daniels-Midland Company Process for extracting polyphenolic antioxidants from purine-containing plants
EP1077211B1 (en) * 1999-08-16 2006-11-22 DSM IP Assets B.V. Process for the production of epigallocatechin gallate
CN1188440C (zh) * 2000-08-29 2005-02-09 马林克罗特贝克公司 用于分析物分离的功能性聚合物介质
DE10122896A1 (de) * 2001-05-11 2002-11-14 Bayer Ag Verfahren zur Herstellung von monodispersen gelförmigen Kationenaustauschern
DE10161979A1 (de) * 2001-12-17 2003-06-18 Bayer Ag Monodisperse Anionenaustauscher
JP2006306799A (ja) * 2005-04-28 2006-11-09 Kao Corp クロロゲン酸類組成物の製造方法
JP4644058B2 (ja) * 2005-07-08 2011-03-02 花王株式会社 容器詰緑茶飲料
US10661219B2 (en) 2015-01-27 2020-05-26 DDP Specialty Electronic Materials US, Inc. Separation of nitrogen from hydrocarbon gas using pyrolyzed sulfonated macroporous ion exchange resin
CN107206305A (zh) 2015-01-27 2017-09-26 陶氏环球技术有限责任公司 使用亚烷基桥接的可再生大孔吸附剂在填充移动床中利用微波再生将c2+链烷烃与甲烷分离
US10258903B2 (en) 2015-03-12 2019-04-16 Dow Global Technologies Llc Chromatographic separation of saccharides using polymeric macroporous alkylene-bridged resin
US10813375B2 (en) * 2016-05-19 2020-10-27 Decafino, Inc. Caffeine-adsorbing material, caffeine-adsorbing system, decaffeination system, and related methods of removing caffeine from solutions
CN114539467B (zh) * 2022-01-21 2023-09-22 江苏大学 一种后交联分子印迹聚合物的制备方法及其吸附应用
CN116284982A (zh) * 2023-04-19 2023-06-23 西安理工大学 用于杜仲绿原酸富集的氯甲基化大孔树脂制备方法

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2309092A (en) * 1941-05-09 1943-01-26 Gen Foods Corp Process of decaffeinating coffee
US4382124B1 (en) * 1958-07-18 1994-10-04 Rohm & Haas Process for preparing macroreticular resins, copolymers and products of said process
US3108876A (en) * 1961-05-09 1963-10-29 Duncan Coffee Company Manufacture of decaffeinated instant coffee
GB1513741A (en) * 1974-07-12 1978-06-07 Rohm & Haas Adsorption process
US4031251A (en) * 1975-01-08 1977-06-21 Societe D'assistance Technique Pour Produits Nestle S.A. Decaffeination of vegetable material
US4113888A (en) * 1977-02-24 1978-09-12 General Foods Corporation Adsorption process
NL187665C (nl) * 1977-08-05 1991-12-16 D E J Int Research Werkwijze voor het verwijderen van cafeine uit een waterige koffie- of thee-extract en werkwijze voor het verwijderen van cafeine uit groene koffiebonen.
CA1130500A (en) * 1978-07-24 1982-08-24 Samuel F. Reed, Jr. Polymeric adsorbents from macroreticular polymer beads
US4237288A (en) * 1979-05-17 1980-12-02 Societe D'assistance Technique Pour Produits Nestle S.A. Decaffeination of fatty materials
US4495210A (en) * 1980-05-28 1985-01-22 Societe D'assistance Technique Pour Produits Nestle S.A. Caffeine adsorption
CA1166413A (en) * 1980-10-30 1984-05-01 Edward E. Timm Process and apparatus for preparing uniform size polymer beads
NL8104854A (nl) * 1981-10-27 1983-05-16 Douwe Egberts Tabaksfab Werkwijze voor het decaffeineren van groene koffiebonen.
US4564644A (en) * 1982-08-02 1986-01-14 The Dow Chemical Company Ion exchange resins prepared by sequential monomer addition
DD249274B5 (de) * 1986-05-26 1993-11-04 Bitterfeld Wolfen Chemie Verfahren zur herstellung von adsorberpolymeren fuer die haemoperfusion
EP0365635B1 (en) * 1988-03-17 1994-06-08 The Dow Chemical Company Process for decolorizing aqueous sugar solutions via adsorbent resins, and desorption of color bodies from the adsorbent resins
JPH02503516A (ja) * 1988-03-23 1990-10-25 ザ　ダウ　ケミカル　カンパニー 後処理交差結合吸着剤樹脂を使用する柑橘類ジュースから苦味を除去する方法

Also Published As

Publication number Publication date
CA2032025A1 (en) 1991-06-14
EP0432960A3 (en) 1992-04-01
MX174200B (es) 1994-04-27
EP0432960A2 (en) 1991-06-19
US5021253A (en) 1991-06-04
JPH03224601A (ja) 1991-10-03

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Legal Events

Date Code Title Description
EG Technical examination (opinion): publication of technical examination (opinion)
FC Decision: refusal
B15K Others concerning applications: alteration of classification

Ipc: A23F 3/38 (2006.01), A23F 5/22 (2006.0