BR8806063A - Processo para extracao de nicotina de tabaco;processo para separar nicotina de um solvente;e aparelho para extracao de nicotina de tabaco com um solvente no estado supercritico ou no estado liquido,ou para a remocao da nicotina desse solvente - Google Patents

Processo para extracao de nicotina de tabaco;processo para separar nicotina de um solvente;e aparelho para extracao de nicotina de tabaco com um solvente no estado supercritico ou no estado liquido,ou para a remocao da nicotina desse solvente

Info

Publication number
BR8806063A
BR8806063A BR888806063A BR8806063A BR8806063A BR 8806063 A BR8806063 A BR 8806063A BR 888806063 A BR888806063 A BR 888806063A BR 8806063 A BR8806063 A BR 8806063A BR 8806063 A BR8806063 A BR 8806063A
Authority
BR
Brazil
Prior art keywords
nicotin
solvent
tobacco
extraction
appliance
Prior art date
Application number
BR888806063A
Other languages
English (en)
Inventor
Ravi Prasad
Harvey Joseph Grubbs
Original Assignee
Philip Morris
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 Philip Morris filed Critical Philip Morris
Publication of BR8806063A publication Critical patent/BR8806063A/pt

Links

Classifications

    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24B—MANUFACTURE OR PREPARATION OF TOBACCO FOR SMOKING OR CHEWING; TOBACCO; SNUFF
    • A24B15/00—Chemical features or treatment of tobacco; Tobacco substitutes, e.g. in liquid form
    • A24B15/18—Treatment of tobacco products or tobacco substitutes
    • A24B15/24—Treatment of tobacco products or tobacco substitutes by extraction; Tobacco extracts
    • A24B15/26—Use of organic solvents for extraction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D11/00—Solvent extraction
    • B01D11/02—Solvent extraction of solids
    • B01D11/0203—Solvent extraction of solids with a supercritical fluid
BR888806063A 1987-11-19 1988-11-18 Processo para extracao de nicotina de tabaco;processo para separar nicotina de um solvente;e aparelho para extracao de nicotina de tabaco com um solvente no estado supercritico ou no estado liquido,ou para a remocao da nicotina desse solvente BR8806063A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/122,760 US5497792A (en) 1987-11-19 1987-11-19 Process and apparatus for the semicontinuous extraction of nicotine from tobacco

Publications (1)

Publication Number Publication Date
BR8806063A true BR8806063A (pt) 1989-08-08

Family

ID=22404605

Family Applications (1)

Application Number Title Priority Date Filing Date
BR888806063A BR8806063A (pt) 1987-11-19 1988-11-18 Processo para extracao de nicotina de tabaco;processo para separar nicotina de um solvente;e aparelho para extracao de nicotina de tabaco com um solvente no estado supercritico ou no estado liquido,ou para a remocao da nicotina desse solvente

Country Status (7)

Country Link
US (1) US5497792A (pt)
EP (1) EP0323699A3 (pt)
JP (1) JP2709400B2 (pt)
AU (1) AU623346B2 (pt)
BR (1) BR8806063A (pt)
FI (1) FI885371A (pt)
ZA (1) ZA888573B (pt)

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Also Published As

Publication number Publication date
EP0323699A3 (en) 1990-04-25
FI885371A0 (fi) 1988-11-18
FI885371A (fi) 1989-05-20
EP0323699A2 (en) 1989-07-12
JP2709400B2 (ja) 1998-02-04
US5497792A (en) 1996-03-12
AU623346B2 (en) 1992-05-14
AU2569988A (en) 1989-05-25
JPH01196285A (ja) 1989-08-08
ZA888573B (en) 1989-08-30

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Legal Events

Date Code Title Description
EG Technical examination (opinion): publication of technical examination (opinion)
FB36 Technical and formal requirements: requirement - article 36 of industrial property law
FB36 Technical and formal requirements: requirement - article 36 of industrial property law
FF Decision: intention to grant
FA11 Dismissal: dismissal - article 38, par. 2 of industrial property law
HKFN Application deemed withdrawn (deleted)
FG9A Patent or certificate of addition granted
B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

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