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:
May. 28, 1991
Filed:
Oct. 26, 1989
Applicant:
Inventor:
Yuichi Matsumoto, Abiko, JP;
Assignee:
Soda Aromatic Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61L / ;
U.S. Cl.
CPC ...
428 357 ; 239 54 ; 239 55 ; 264126 ; 428 3692 ; 428143 ; 4283084 ; 428323 ; 428905 ;
Abstract
A molded slow-release air freshener prepared by having a liquid perfume composition absorbed into a porous molded product which has been obtained by partially melt-bonding the particles of an ethylenevinyl acetate copolymer powder with each other to obtain said porous molded product having continuous gas-permeable pores and a bulk density in the range of 0.4 to 0.8 g/cm.sup.3, said molded slow-release air freshener having an increased apparent volume of at least 1.2 times as large as its apparent volume before the absorption of said liquid perfume composition.