UST863006I4 - Particle size in microns of - Google Patents

Particle size in microns of Download PDF

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Publication number
UST863006I4
UST863006I4 US78171368A UST863006I4 US T863006 I4 UST863006 I4 US T863006I4 US 78171368 A US78171368 A US 78171368A US T863006 I4 UST863006 I4 US T863006I4
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US
United States
Prior art keywords
microns
particle size
tobacco smoke
application
tobacco
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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.)
Pending
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Priority to US78171368 priority Critical patent/UST863006I4/en
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Publication of UST863006I4 publication Critical patent/UST863006I4/en
Pending legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
    • A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
    • A24D3/06—Use of materials for tobacco smoke filters
    • A24D3/16—Use of materials for tobacco smoke filters of inorganic materials

Description

T W 506g DEFENSIVE PUBLICATION UNITED STATES PATENT OFFICE Published at the request of the applicant or owner in accordance with the Notice of Apr. 11, 1968, 849 O.G. 1221. I119!!- tification is by serial number of the application and the heading indicates the number of pages of specification, including claims, and of sheets of drawing contained in the application as originally filed. The file of this application is available to the public for inspection; reproduction may be purchased for 30 cents per sheet.
Applications published under the Defensive Publication Program have not been examined as to the merits of alleged invention. The Patent Oflice makes no assertion as to the novelty of the disclosed subject matter.
PUBLISHED JUNE 24, 1969 863 O.Gr. 1000 TOBACCO SMOKE FLOW A tobacco smoke filter element containing alumina hydrate particles of less than about two microns in size for removing a high amount (up to about 70 percent) of the total particulate matter found in the efliuent stream of tobacco smoke,
June 24, 1969 G, P. Tou ET AL D F. pus,
HIGH EFFICIENCY, ADDITIVE-TYPE TOBACCO SMOKE FILTER 3N 7 Original Filed Oct. 26, 1967 TOBACCO TOBACCO SMOKE SMOKE FLOW FLOW PERCENT REDUCTION O 5 IO i5 PARTICLE SIZE IN MICRONS OF AL O 3 H O GEORGE P. TOUEY FIG.3
CEPHAS H. SLOAN INVENTORS ATToimEYs
US78171368 1967-10-26 1968-12-04 Particle size in microns of Pending UST863006I4 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US78171368 UST863006I4 (en) 1967-10-26 1968-12-04 Particle size in microns of

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US67829667A 1967-10-26 1967-10-26
US78171368 UST863006I4 (en) 1967-10-26 1968-12-04 Particle size in microns of

Publications (1)

Publication Number Publication Date
UST863006I4 true UST863006I4 (en) 1969-06-24

Family

ID=27101994

Family Applications (1)

Application Number Title Priority Date Filing Date
US78171368 Pending UST863006I4 (en) 1967-10-26 1968-12-04 Particle size in microns of

Country Status (1)

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US (1) UST863006I4 (en)

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