The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 28, 1988
Filed:
Oct. 18, 1985
Applicant:
Inventors:
Istvan Bitter, Budapest, HU;
Jozsef Gabor, Pecs, HU;
Sandor Hernadi, Budapest, HU;
Viktoria Horvath, Budapest, HU;
Sandor Irimi, Pecs, HU;
Adam Molnar, Pecs, HU;
Istvan Rusznak, Budapest, HU;
Lajos Trezl, Budapest, HU;
Assignee:
Pecsi Dohanygyar, Pecs, HU;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A24D / ;
U.S. Cl.
CPC ...
131334 ; 131335 ; 131342 ; 493 47 ;
Abstract
A process for producing cigarette filters comprising a compound containing L-ascorbic acid and having the compound added to an adsorptional filter material in a quantity of 5-200% of the amount of said adsorptional filter.