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Fire protected foamed polymeric materials    
United States Patent4871477   
Link to this pagehttp://www.wikipatents.com/4871477.html
Inventor(s)Dimanshteyn; Felix (West Hartford, CT)
AbstractDisclosed are foam polymer compositions having outstanding resistance to expose to flame. The compositions comprise the product of reaction of a foamable composition and certain inorganic filler materials including one or more of (A) microexplodable micron-sized particles having an internal phase of a non-flammable gas releasing inorganic particulate material such as alumina trihydrate and an external phase of fusible inorganic material such as sodium silicate, (B) particulate, expandable alkali metal silicate, and (C) a particulate inorganic fire retardant such as ammonium salt of a phosphate or polyphosphate. The foams are self-extinguishing, essentially non dripping, and generate only low levels of smoke when impacted directly with the flame of a blowtorch.
   














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Patent Text Patent PDF Print Page Summary File History
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Inventor     Dimanshteyn; Felix (West Hartford, CT)
Owner/Assignee     Firestop Chemical Corporation (Chicopee, MA)
Patent assignment
All assignments
Publication Date     October 3, 1989
Application Number     07/260,400
PAIR File History     Application Data   Transaction History
Image File Wrapper   Patent Term   Fees
Litigation
Filing Date     October 20, 1988
US Classification     252/609 106/18.12 106/18.13 106/18.16 106/18.24 106/18.3 106/18.31 106/18.32 106/18.33 252/7 252/601 252/606 428/402.24 428/403 428/404 428/406 428/920 428/921 521/903 521/906 521/907
Int'l Classification     C09K 021/00 C09D 005/16 C09D 005/18
Examiner     Locker; Howard J.
Assistant Examiner    
Attorney/Law Firm     Lahive & Cockfield
Address
Parent Case     REFERENCE TO RELATED APPLICATIONS This application is a continuation-in-part of copending U.S. application Ser. No. 230,054 filed Aug. 9, 1988 (now abandoned), which was a CIP of Ser. No. 07/088832 filed 8/24/87(abandoned), which was a CIP of Ser. No. 06/891202, filed 7/28/86 (abandoned), which was a CIP of Ser. No. 06/608728, filed 5/10/84, (now U.S. Pat. No. 4612239), which was a CIP of Ser. No. 06/466375, filed 2/15/83(abandoned).
Priority Data    
USPTO Field of Search     252/2 252/4 252/5 252/6 252/7 252/606 252/608 252/43 252/DIG. 2 252/609 252/610 8/490 521/906 521/907 156/325 156/326 156/327 156/333 156/334 428/920 428/921 428/920 428/921 428/246 428/284 428/285 428/287 428/408 428/902
Patent Tags     fire protected foamed polymeric materials
   
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