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:
Nov. 21, 1978
Filed:
Jan. 06, 1977
Applicant:
Inventor:
Harold Grossman, Upper Montclair, NJ (US);
Assignee:
Montclair Research Corporation, Silver Spring, MD (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A24D / ; A24D / ; A24B / ;
U.S. Cl.
CPC ...
131-9 ; 131 / ; 55524 ; 55528 ;
Abstract
A filter for tobacco smoke comprises a porous substrate (other than tobacco) having a deposit thereon of particles of a water-insoluble hydrophobic moisture-laden substance, the major ingredient of the substance being water, which is activated by the smoke of burning tobacco to release the moisture. The filter may be in the form of a cartridge for insertion in a cigarette or cigar holder or as a filter tip made integral with a body of divided tobacco.