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Country	kind	publication No.	Filing Date	Type	Sub-Type
FR	B1	FR2750421	Jun 28, 1996	Patent	Grant
Type : Patent Sub-Type : Grant
PATENT OF INVENTION (SECOND PUBLICATION)		PROPERGOLS A FORTE IMPULSION SPECIFIQUE COMPORTANT DES DERIVES DU FURAZANE		Aug 07, 1998
EP	B1	EP0816306	Jun 26, 1997	Patent	Grant
Type : Patent Sub-Type : Grant
Patent		Propergols à forte impulsion spécifique comportant des dérivés du furazane		Mar 15, 2000

• 15 United States
• 10 France
• 8 Japan
• 7 China
• 5 Korea
• 2 Other

Patent Owner(s)

Patent Owner	Address
HERAKLES	33185 LE HAILLAN

International Classification(s)

• C06B:EXPLOSIVE OR THERMIC COMPOSITIONS

• 1997 Application Filing Year
• C06B Class
• 63 Applications Filed
• 28 Patents Issued To-Date
• 44.45 % Issued To-Date

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Chassaing, Alain	Vert Le Petit, FR	1	1
# of filed Patents : 1 Total Citations : 1
Finck, Bernard	Corbeil, FR	6	34
# of filed Patents : 6 Total Citations : 34

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Patent Citation Ranking

• 1 Citation Count
• C06B Class

• 3.64 % this patent is cited more than
• 27 Age

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Maintenance Fees

Fee	Large entity fee	small entity fee	micro entity fee	due date

Fee	Large entity fee	small entity fee	micro entity fee
Surcharge after expiration - Late payment is unavoidable	$700.00	$350.00	$175.00
Surcharge after expiration - Late payment is unintentional	$1,640.00	$820.00	$410.00

Full Text

US Patent No: 5747729

Propellants with a high specific impulse, comprising furazane derivatives

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Abstract

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The present invention relates to solid propellants with high specific impulse and/or high impulse per unit volume, more particularly so-called 'clean' propellants, that is to say containing no constituents whose combustion gives halogen-containing products or liquid or solid products. The solid propellants according to the invention comprise especially a binder, at least one energetic filler and various additives; the energetic filler is chosen essentially from the group of dinitrated bifurazanes consisting of 3,3'-azoxybis (4-nitrofurazane), 3,3'-azobis(4-nitrofurazane) and 3,3'-bis(4-nitrofurazane).

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Description

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Claims

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Legal Events

 

• AS2012
• AS2011
• FPAY2009
• FPAY2005
• AS2004
• FPAY2001
• AS1998
• I1998
• STCF1998
• F1997
• AS1997
• PD1996

Date	Code	Event	Description
May 25, 2012	AS	ASSIGNMENT	free format text: CHANGE OF NAME;ASSIGNOR:SME;REEL/FRAME:030465/0079 Owner name: HERAKLES, FRANCE Effective Date: May 25, 2012
Apr 05, 2011	AS	ASSIGNMENT	free format text: CHANGE OF NAME;ASSIGNOR:SNPE MATERIAUX ENERGETIQUES;REEL/FRAME:030452/0175 Owner name: SME, FRANCE Effective Date: Apr 05, 2011
Oct 07, 2009	FPAY	FEE PAYMENT	year of fee payment: 12
Oct 14, 2005	FPAY	FEE PAYMENT	year of fee payment: 8
Jun 28, 2004	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:SNPE;REEL/FRAME:015562/0371 Owner name: SNPE MATERIAUX ENERGETOQUES, FRANCE Effective Date: Jun 28, 2004
Sep 27, 2001	FPAY	FEE PAYMENT	year of fee payment: 4
Dec 15, 1998	AS	ASSIGNMENT	free format text: CHANGE OF NAME;ASSIGNOR:SOCIETE NATIONALE DES POUDRES ET EXPLOSIFS;REEL/FRAME:013751/0402 Owner name: SNPE, FRANCE Effective Date: Dec 15, 1998
May 05, 1998	I	Issuance
Mar 31, 1998	STCF	INFORMATION ON STATUS: PATENT GRANT	free format text: PATENTED CASE
May 27, 1997	F	Filing
May 12, 1997	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:CHASSAING, ALAIN;FINCK, BERNARD;REEL/FRAME:008584/0368 Owner name: SOCIETE NATIONALE DES POUDRES ET EXPLOSIFS, FRANCE Effective Date: May 12, 1997
Jun 28, 1996	PD	Priority Date