US Patent No: 6,591,839

Number of patents in Portfolio can not be more than 2000

Filter material for reducing harmful substances in tobacco smoke

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ATTORNEY / AGENT: (SPONSORED)
 

Importance

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Abstract

A filter material for reducing the content of harmful substances in tobacco smoke. The filter material comprises a ground and not additionally activated expanded clay produced without adding foreign substances, and zeolite as the filter material. The filter is suitable for tobacco products such as cigarettes, cigars and cigarillos, and for smoking articles such as tobacco pipes and cigarette and cigar holders.

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First Claim

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Patent Owner(s)

  • Assignment data not available. Check USPTO

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Braun, Hans-Peter Renfrizhausen, DE 38 790
Meyer, Dieter Wolfsburg, DE 27 285

Cited Art

Patent Info (Count) # Cites Year
 
R. J. REYNOLDS TOBACCO COMPANY (2)
5,129,409 Extruded cigarette 7 1989
5,404,890 Cigarette filter 29 1993
 
AGGLO RECOVERY (1)
5,346,674 Process and apparatus for removal of impurities from flue gases 12 1992
 
NORSK LECA AS (1)
5,976,490 Zeolite containing cation exchangers methods for preparation and use 7 1998
 
SASMOCO, S.A. (1)
4,201,234 Filter for smoking article, mainly cigarette 22 1978
 
THE REGENTS OF THE UNIVERSITY OF MICHIGAN (1)
4,740,488 Modified clay sorbents 22 1985
 
OTHER [CHECK PATENT PROFILE FOR ASSIGNMENT INFORMATION] (2)
4,729,389 Filter for tobacco smoke 7 1978
4,306,576 Cigarette filter 2 1979

Patent Citation Ranking

Forward Cites

Patent Info (Count) # Cites Year
 
ALEXZA PHARMACEUTICALS, INC. (107)
7,766,013 Aerosol generating method and device 3 2001
7,942,147 Aerosol forming device for use in inhalation therapy 0 2002
7,537,009 Method of forming an aerosol for inhalation delivery 6 2002
7,458,374 Method and apparatus for vaporizing a compound 13 2002
6,737,042 Delivery of drug esters through an inhalation route 42 2002
6,805,853 Delivery of diazepam through an inhalation route 42 2002
6,797,259 Delivery of muscle relaxants through an inhalation route 42 2002
6,780,399 Delivery of stimulants through an inhalation route 43 2002
6,855,310 Delivery of analgesics through an inhalation route 44 2002
6,783,753 Delivery of antidepressants through an inhalation route 42 2002
6,780,400 Delivery of antiemetics through an inhalation route 44 2002
6,716,415 Delivery of sedative-hypnotics through an inhalation route 41 2002
6,814,954 Delivery of compounds for the treatment of Parkinsons through an inhalation route 42 2002
6,743,415 Delivery of anti-migraine compounds through an inhalation route 41 2002
6,740,307 Delivery of .beta.-blockers through an inhalation route 43 2002
6,716,416 Delivery of antipsychotics through an inhalation route 43 2002
6,884,408 Delivery of diphenhydramine through an inhalation route 47 2002
6,776,978 Delivery of opioids through an inhalation route 48 2002
6,740,308 Delivery of antihistamines through an inhalation route 42 2002
6,805,854 Delivery of sumatriptan, frovatriptan or naratriptan through an inhalation route 40 2002
6,803,031 Delivery of erectile dysfunction drugs through an inhalation route 52 2002
6,759,029 Delivery of rizatriptan and zolmitriptan through an inhalation route 41 2002
6,737,043 Delivery of alprazolam, estazolam, midazolam or triazolam through an inhalation route 44 2002
6,814,955 Delivery of physiologically active compounds through an inhalation route 40 2002
6,740,309 Delivery of compounds for the treatment of migraine through an inhalation route 41 2002
6,716,417 Delivery on nonsteroidal antiinflammatory drugs through an inhalation route 42 2002
7,078,016 Delivery of caffeine through an inhalation route 43 2002
8,003,080 Delivery of drug amines through an inhalation route 0 2003
7,913,688 Inhalation device for producing a drug aerosol 0 2003
7,645,442 Rapid-heating drug delivery article and method of use 3 2003
7,585,493 Thin-film drug delivery article and method of use 3 2003
8,288,372 Method for treating headache with loxapine 0 2003
7,550,133 Respiratory drug condensation aerosols and methods of making and using them 4 2003
7,090,830 Drug condensation aerosols and kits 50 2003
7,070,761 Delivery of nonsteroidal antiinflammatory drugs through an inhalation route 42 2003
7,070,762 Delivery of analgesics through an inhalation route 44 2003
7,029,658 Delivery of antidepressants through an inhalation route 40 2003
7,018,619 Delivery of alprazolam, estazolam midazolam or triazolam through an inhalation route 45 2003
7,008,615 Delivery of anti-migraine compounds through an inhalation route 40 2003
7,005,121 Delivery of compounds for the treatment of migraine through an inhalation route 40 2003
7,115,250 Delivery of erectile dysfunction drugs through an inhalation route 40 2003
7,094,392 Delivery of antihistamines through an inhalation route 40 2003
7,078,017 Delivery of sedative-hypnotics through an inhalation route 40 2003
7,078,018 Delivery of opioids through an inhalation route 44 2003
7,078,019 Delivery of drug esters through an inhalation route 45 2003
7,078,020 Delivery of antipsychotics through an inhalation route 41 2003
7,087,216 Delivery of sedative-hypnotics through an inhalation route 40 2004
7,087,217 Delivery of nonsteroidal antiinflammatory drugs through an inhalation route 40 2004
7,070,763 Delivery of diphenhydramine through an inhalation route 40 2004
7,070,764 Delivery of analgesics through an inhalation route 44 2004
7,060,254 Delivery of antidepressants through an inhalation route 40 2004
7,045,118 Delivery of compounds for the treatment of migraine through an inhalation route 40 2004
7,052,679 Delivery of antipsychotics through an inhalation route 41 2004
7,169,378 Delivery of opioids through an inhalation route 45 2004
7,070,765 Delivery of drug esters through an inhalation route 46 2004
7,067,114 Delivery of antihistamines through an inhalation route 40 2004
7,063,830 Delivery of anti-migraine compounds through an inhalation route 40 2004
7,063,831 Delivery of erectile dysfunction drugs through an inhalation route 40 2004
7,060,255 Delivery of alprazolam, estazolam, midazolam or triazolam through an inhalation route 42 2004
7,070,766 Delivery of physiologically active compounds through an inhalation route 40 2004
7,033,575 Delivery of physiologically active compounds through an inhalation route 40 2004
7,048,909 Delivery of beta-blockers through an inhalation route 40 2004
7,018,620 Delivery of beta-blockers through an inhalation route 40 2004
7,087,218 Delivery of diazepam through an inhalation route 41 2004
7,045,119 Delivery of diazepam through an inhalation route 41 2004
7,018,621 Delivery of rizatriptan or zolmitriptan through an inhalation route 40 2004
7,014,840 Delivery of sumatriptan, frovatriptan or naratriptan through an inhalation route 40 2004
7,011,819 Delivery of rizatriptan or zolmitriptan through an inhalation route 40 2004
7,005,122 Delivery of sumatriptan, frovatriptan or naratriptan through an inhalation route 40 2004
7,108,847 Delivery of muscle relaxants through an inhalation route 40 2004
7,063,832 Delivery of muscle relaxants through an inhalation route 40 2004
7,022,312 Delivery of antiemetics through an inhalation route 40 2004
7,014,841 Delivery of antiemetics through an inhalation route 40 2004
7,052,680 Delivery of compounds for the treatment of Parkinsons through an inhalation route 40 2004
7,011,820 Delivery of compounds for the treatment of Parkinsons through an inhalation route 41 2004
7,008,616 Delivery of stimulants through an inhalation route 39 2004
6,994,843 Delivery of stimulants through an inhalation route 41 2004
7,540,286 Multiple dose condensation aerosol devices and methods of forming condensation aerosols 7 2004
7,581,540 Aerosol drug delivery device incorporating percussively activated heat packages 5 2004
7,442,368 Delivery of stimulants through an inhalation route 10 2006
7,498,019 Delivery of compounds for the treatment of headache through an inhalation route 6 2006
7,449,172 Delivery of antiemetics through an inhalation route 9 2006
7,465,435 Delivery of beta-blockers through an inhalation route 7 2006
7,465,436 Delivery of compounds for the treatment of Parkinson's through an inhalation route 7 2006
7,485,285 Delivery of antidepressants through an inhalation route 7 2006
7,449,173 Delivery of alprazolam, estazolam, midazolam or triazolam through an inhalation route 10 2006
7,465,437 Delivery of anti-migraine compounds through an inhalation route 7 2006
7,524,484 Delivery of diphenhydramine through an inhalation route 5 2006
7,507,398 Delivery of physiologically active compounds through an inhalation route 15 2006
7,449,174 Delivery of analgesics through an inhalation route 9 2006
7,449,175 Delivery of erectile dysfunction drugs through an inhalation route 10 2006
7,601,337 Delivery of antipsychotics through an inhalation route 3 2006
7,488,469 Delivery of caffeine through an inhalation route 7 2006
7,510,702 Delivery of nonsteroidal antiinflammatory drugs through an inhalation route 6 2006
7,470,421 Delivery of diazepam through an inhalation route 8 2006
7,445,768 Delivery of sedative-hypnotics through an inhalation route 9 2006
7,491,047 Delivery of antihistamines through an inhalation route 7 2006
7,507,397 Delivery of muscle relaxants through an inhalation route 7 2006
7,468,179 Delivery of opioids through an inhalation route 11 2007
7,981,401 Diuretic aerosols and methods of making and using them 0 2007
7,988,952 Delivery of drug esters through an inhalation route 0 2008
8,235,037 Drug condensation aerosols and kits 0 2008
7,987,846 Method and apparatus for vaporizing a compound 0 2008
8,173,107 Delivery of antipsychotics through an inhalation route 0 2009
8,074,644 Method of forming an aerosol for inhalation delivery 0 2009
8,333,197 Multiple dose condensation aerosol devices and methods of forming condensation aerosols 0 2009
8,387,612 Self-contained heating unit and drug-supply unit employing same 0 2009

Maintenance Fees

Fee Large entity fee small entity fee micro entity fee due date
11.5 Year Payment $7400.00 $3700.00 $1850.00 Jan 15, 2015
Fee Large entity fee small entity fee micro entity fee
Surcharge - 11.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge after expiration - Late payment is unavoidable $700.00 $350.00 $175.00
Surcharge after expiration - Late payment is unintentional $1,640.00 $820.00 $410.00