CA2214036A1 - Traitement du tabac - Google Patents

Traitement du tabac

Info

Publication number
CA2214036A1
CA2214036A1 CA 2214036 CA2214036A CA2214036A1 CA 2214036 A1 CA2214036 A1 CA 2214036A1 CA 2214036 CA2214036 CA 2214036 CA 2214036 A CA2214036 A CA 2214036A CA 2214036 A1 CA2214036 A1 CA 2214036A1
Authority
CA
Canada
Prior art keywords
tobacco material
extract
bentonite
surfactant
aqueous
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.)
Granted
Application number
CA 2214036
Other languages
English (en)
Other versions
CA2214036C (fr
Inventor
Yves D. De Grandpre
Andrew R. Porter
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.)
British American Tobacco Investments Ltd
Original Assignee
Individual
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
Priority claimed from US07/816,520 external-priority patent/US5311886A/en
Application filed by Individual filed Critical Individual
Publication of CA2214036A1 publication Critical patent/CA2214036A1/fr
Application granted granted Critical
Publication of CA2214036C publication Critical patent/CA2214036C/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Manufacture Of Tobacco Products (AREA)
CA002214036A 1991-12-31 1992-12-29 Traitement du tabac Expired - Lifetime CA2214036C (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US816,520 1991-12-31
US07/816,520 US5311886A (en) 1991-12-31 1991-12-31 Tobacco extract treatment with insoluble adsorbent
CA002127122A CA2127122C (fr) 1991-12-31 1992-12-29 Traitement du tabac

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CA002127122A Division CA2127122C (fr) 1991-12-31 1992-12-29 Traitement du tabac

Publications (2)

Publication Number Publication Date
CA2214036A1 true CA2214036A1 (fr) 1993-07-08
CA2214036C CA2214036C (fr) 2000-02-15

Family

ID=30771578

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002214036A Expired - Lifetime CA2214036C (fr) 1991-12-31 1992-12-29 Traitement du tabac

Country Status (1)

Country Link
CA (1) CA2214036C (fr)

Also Published As

Publication number Publication date
CA2214036C (fr) 2000-02-15

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Legal Events

Date Code Title Description
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MKEX Expiry

Effective date: 20121231