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

Patent Owner(s)

Patent Owner	Address
PHILLIPS 66 COMPANY	INTELLECTUAL PROPERTY - LEGAL P O BOX 4428 HOUSTON TX 77210

International Classification(s)

• C10C:WORKING-UP TAR, PITCH, ASPHALT, BITUMEN; PYROLIGNE....

• 1994 Application Filing Year
• C10C Class
• 10 Applications Filed
• 5 Patents Issued To-Date
• 50 % Issued To-Date

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Carel, Mark W	Ponca, OK	12	95
# of filed Patents : 12 Total Citations : 95
Nanni, Edward J	Ponca, OK	12	84
# of filed Patents : 12 Total Citations : 84
Romine, H Ernest	Ponca, OK	16	126
# of filed Patents : 16 Total Citations : 126
Southard, W Mark	Ponca, OK	7	55
# of filed Patents : 7 Total Citations : 55

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Patent Citation Ranking

• 13 Citation Count
• C10C Class

• 68.18 % this patent is cited more than
• 29 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: 5501788

Self-stabilizing pitch for carbon fiber manufacture

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Abstract

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This invention provides a process for preparing a solvated isotropic pitch having a fluid temperature at least 40.degree. C. lower than the same pitch in the non-solvated state. Additionally, the present invention provides a solvated isotropic pitch which may be formed into carbon artifacts which do not require oxidative stabilization prior to carbonization.

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Description

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Claims

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Legal Events

 

• AS2012
• FPAY2007
• FPAY2003
• AS2002
• FPAY1999
• FEPP1998
• I1996
• STCF1996
• F1994
• PD1994
• AS1994

Date	Code	Event	Description
Apr 26, 2012	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:CONOCOPHILLIPS COMPANY;REEL/FRAME:028213/0824 Owner name: PHILLIPS 66 COMPANY, TEXAS Effective Date: Apr 26, 2012
Aug 20, 2007	FPAY	FEE PAYMENT	year of fee payment: 12
Aug 28, 2003	FPAY	FEE PAYMENT	year of fee payment: 8
Dec 31, 2002	AS	ASSIGNMENT	free format text: MERGER;ASSIGNOR:CONOCO INC.;REEL/FRAME:017240/0658 Owner name: CONOCOPHILLIPS COMPANY, TEXAS Effective Date: Dec 31, 2002
Aug 30, 1999	FPAY	FEE PAYMENT	year of fee payment: 4
Dec 08, 1998	FEPP	FEE PAYMENT PROCEDURE	free format text: PAYOR NUMBER ASSIGNED (ORIGINAL EVENT CODE: ASPN); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY
Mar 26, 1996	I	Issuance
Mar 15, 1996	STCF	INFORMATION ON STATUS: PATENT GRANT	free format text: PATENTED CASE
Jun 27, 1994	F	Filing
Jun 27, 1994	PD	Priority Date
Jun 24, 1994	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:ROMINE, H. ERNEST;NANNI, EDWARD J.;CAREL, SOUTHARD M.;REEL/FRAME:007056/0266 Owner name: CONOCO INC., OKLAHOMA Effective Date: Jun 24, 1994