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:
Dec. 18, 1990
Filed:
May. 12, 1988
Applicant:
Inventors:
Hubert Von Blucher, D-4000 Dusseldorf, DE;
Hasso Von Blucher, D-4000 Dusseldorf, DE;
Ernest De Ruiter, D-5090 Leverkusen 3, DE;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A62D / ; C09K / ; C09K / ;
U.S. Cl.
CPC ...
252-2 ; 252-8 ; 252601 ; 252610 ; 252611 ; 169D / ; 169-5 ; 523179 ; 106203 ; 26099812 ;
Abstract
In a particulate additive for water for fire fighting containing a strongly swelling water-insoluble high molecular weight polymer as gelatinizing agent, the improvement which comprises a water-soluble release agent which does not cause the particles of said gelatinizing agent to swell, the particles of the gelatinizing agent being encased or dispersed in the release agent. Suitable release agents include polyethylene glycol, diammonium biphosphate, sugars, mannitol, etc. The gelatinizing agent may be a moderately cross-linked water-insoluble acrylic or methacrylic acid copolymer.