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특허 상세정보

Chain-extended poly(bis-azidomethyloxetane), and combustible cartridge cases and ammunition comprising the same

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) C08G-018/10   
미국특허분류(USC) 528/078; 102/466
출원번호 US-0841900 (2001-04-24)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Sullivan Law GroupParsons Behle & Latimer
인용정보 피인용 횟수 : 20  인용 특허 : 15
초록

A combustible cartridge case is provided that includes at least one energetic thermoplastic homopolymer or copolymer derived from, at least in part, poly(bis-azidomethyloxetane) prepolymer blocks terminated with isocyanate-reactive groups, such as hydroxyl groups. Chain linking of the prepolymer blocks is performed with diisocyanates for end-capping the prepolymer blocks, and a difunctional linking compound for linking the end-capped prepolymer blocks. The energetic thermoplastic is preferably capable of being pressed, extruded, rotational molded, inject...

대표
청구항

A combustible cartridge case is provided that includes at least one energetic thermoplastic homopolymer or copolymer derived from, at least in part, poly(bis-azidomethyloxetane) prepolymer blocks terminated with isocyanate-reactive groups, such as hydroxyl groups. Chain linking of the prepolymer blocks is performed with diisocyanates for end-capping the prepolymer blocks, and a difunctional linking compound for linking the end-capped prepolymer blocks. The energetic thermoplastic is preferably capable of being pressed, extruded, rotational molded, inject...

이 특허에 인용된 특허 (15)

  1. Ahad Elie (Ste-Foy CAX). Azido thermoplastic elastomers. USP1993065223056.
  2. Godfrey-Phillips Arthur H. (Kent GBX) Chapman Graham (Tonawanda NY). Biodegradable shot-gun cartridge case. USP1996085549048.
  3. Wilson Edgar R. (Simi Valley CA) Frankel Milton B. (Tarzana CA) Flanagan Joseph E. (Woodland Hills CA) Grant Louis R. (Los Angeles CA). Castable smoke-producing pyrotechnic compositions. USP1991034997497.
  4. Lippler Remy R. (Bergerac FRX) Mengelle Andre J. (Bergerac FRX) Plazanet Jacques (Mouleydier FRX). Combustible objects, in particular combustible cartridge cases, which are heat-resistant. USP1982124365558.
  5. Brzuskiewicz John (Dolton IL). Composite protective coating for combustible cartridge cases. USP1976103987731.
  6. Gonzalez Antonio F. (Tallahassee FL) O\Meara William L. (Tallahassee FL). Energetic consumable cartridge case. USP1993085237927.
  7. Manser Gerald E. (Cupertino CA). Energetic copolymers and method of making same. USP1984114483978.
  8. Capellos Christos ; Travers Brian E.. High energy melt cast explosives. USP1998025717158.
  9. Wardle Robert B. (Logan UT). Method of producing thermoplastic elastomers having alternate crystalline structure for use as binders in high-energy co. USP1989024806613.
  10. Wardle Robert B. (Logan UT) Edwards W. Wayne (Tremonton UT) Hinshaw Jerald C. (Ogden UT). Method of producing thermoplastic elastomers having alternate crystalline structure such as polyoxetane ABA or star bloc. USP1996055516854.
  11. Manser Gerald E. (Folsom CA) Fletcher Richard W. (Fair Oaks CA). Nitramine oxetanes and polyethers formed therefrom. USP1987114707540.
  12. Archibald Thomas G. (Fair Oaks CA) Carlson Roland P. (Fair Oaks CA) Malik Aslam A. (Cameron Park CA) Manser Gerald E. (El Dorado Hills CA). Preparation and polymerization of initiators containing multiple oxetane rings: new routes to star polymers. USP1997095663289.
  13. Earl Robert A. (Salt Lake City UT) Elmslie James S. (Salt Lake City UT). Preparation of hydroxy-terminated poly(3,3-bisazidomethyloxetanes). USP1983094405762.
  14. Haaland Andrew C. ; Braithwaite Paul C. ; Hartwell James A. ; Lott Val D. ; Rose Michael T.. Process for the manufacture of high performance gun propellants. USP1998065759458.
  15. Hinshaw Carol J. ; Wardle Robert B. ; Highsmith Tom K.. Propellant formulations based on dinitramide salts and energetic binders. USP1998045741998.

이 특허를 인용한 특허 피인용횟수: 20

  1. Padgett, Charles. Adhesive lip for a high strength polymer-based cartridge casing and manufacturing method. USP2014118875633.
  2. Padgett, Charles; Wiley, Sy. Base insert for polymer ammunition cartridges. USP2017039599443.
  3. Padgett, Charles; Wiley, Sy. Base insert for polymer ammunition cartridges. USP2018069989343.
  4. Mutascio, Enrico R.. Consumable ammunition assembly having a nitroguanidine case and method of making a consumable ammunition assembly having a nitroguanidine case. USP2014128899155.
  5. Nielson,Daniel B.; Tanner,Richard L.; Dilg,Carl. Flares including reactive foil for igniting a combustible grain thereof and methods of fabricating and igniting such flares. USP2008127469640.
  6. Padgett, Charles. Frangible portion for a high strength polymer-based cartridge casing and manufacturing method. USP2016029261335.
  7. Nielson, Daniel B.; Tanner, Richard L.; Dilg, Carl. Methods of fabricating and igniting flares including reactive foil and a combustible grain. USP2010047690308.
  8. Padgett, Tony. Narrowing high strength polymer-based cartridge casing for blank and subsonic ammunition. USP2016069372054.
  9. Padgett, Tony. Narrowing high strength polymer-based cartridge casing for blank and subsonic ammunition. USP2015049003973.
  10. Padgett, Tony. Narrowing high strength polymer-based cartridge casing for blank and subsonic ammunition. USP2014078763535.
  11. Padgett, Tony. Narrowing high strength polymer-based cartridge for blank and subsonic ammunition. USP2018069995561.
  12. Padgett, Charles; Padgett, Robert Lanse. Polymer-based machine gun belt links and cartridge casings and manufacturing method. USP2015119194680.
  13. Sanderson, Andrew J.; Martins, Laura J.. Process for making stable cured poly(glycidyl nitrate). USP2004056730181.
  14. Sanderson, Andrew J.; Martins, Laura J.; Dewey, Michael A.. Process for making stable cured poly(glycidyl nitrate) and energetic compositions comprising same. USP2005036861501.
  15. Padgett, Charles. Radiused insert. USP201608D765214.
  16. Padgett, Charles. Radiused insert. USP201410D715888.
  17. Tadros,Raef M.; Papayianis,Efthimios; Dehaghani,Allen A.; Martuccio,Anthony; Trohanowsky,Raymond S.; Pennington,James Marlin. Smoke producing mortar cartridge. USP2008077404358.
  18. Tadros,Raef M.; Papayianis,Efthimios; Dehaghani,Allen A.; Martuccio,Anthony; Trohanowsky,Raymond S.; Pennington,James Marlin. Smoke producing mortar cartridge. USP2006107124690.
  19. Sanderson, Andrew J.; Edwards, Wayne. Synthesis of energetic thermoplastic elastomers containing oligomeric urethane linkages. USP2004116815522.
  20. Padgett, Charles. Variable inside shoulder polymer cartridge. USP2014108869702.