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:
Oct. 24, 1989
Filed:
Mar. 22, 1988
Applicant:
Inventor:
Martin Hellsten, Odsm.ang.l, SE;
Assignee:
Berol Kemi AB, Stenungsund, SE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B65D / ; D21H / ;
U.S. Cl.
CPC ...
428 341 ; 428 342 ; 428 3692 ; 428407 ; 4284111 ; 4285375 ; 428704 ; 25217421 ; 252305 ; 252321 ; 252358 ;
Abstract
A package capable of preventing the formation of foam when being filled with liquid aqueous products, in which at least a part of the inside of the package is coated on the inside with an antifoaming agent which comprises an antifoaming, water-insoluble compound encapsulated in crystalline urea. In the manufacture of the package, the crystalline urea and the antifoaming compound are dissolved in a mixture of water and an organic solvent forming a solution, and applying the solution to at least a part of the inner side of the material forming the package, whereupon the solvent is driven off.