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

Patent Owner(s)

Patent Owner	Address
STERLING CHEMICALS INTERNATIONAL INC	1200 SMITH ST SUITE 1900 HOUSTON TX 77002

International Classification(s)

• C22B:PRODUCTION OR REFINING OF METALS

• 1993 Application Filing Year
• C22B Class
• 154 Applications Filed
• 69 Patents Issued To-Date
• 44.81 % Issued To-Date

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Avotins, Peter V	Easton, CT	8	35
# of filed Patents : 8 Total Citations : 35
Evans, Robert E	Huntington, CT	37	502
# of filed Patents : 37 Total Citations : 502

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Patent Citation Ranking

• 1 Citation Count
• C22B Class

• 9.15 % this patent is cited more than
• 31 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: 5372632

Process for producing fiber bonded agglomerated ore materials

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Abstract

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Process for producing agglomerates, e.g., by pelletizing a particulate inorganic material, for example, an ore material, characterized by the addition to the agglomerated material of an organic fibrous material, especially a polyacrylonitrile fiber material, to bind and thereby enhance the properties of the agglomerates and recovery of metal values therefrom.

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Description

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Claims

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Claims data not available

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Legal Events

 

• STCH2003
• AS2002
• FP2002
• LAPS2002
• REMI2002
• AS1999
• AS1999
• FPAY1998
• AS1997
• FEPP1995
• I1994
• AS1994
• F1993
• PD1993
• AS1993

Date	Code	Event	Description
Jan 15, 2003	STCH	INFORMATION ON STATUS: PATENT DISCONTINUATION	free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362
Dec 19, 2002	AS	ASSIGNMENT	free format text: RELEASE OF SECURITY INTEREST IN PATENTS;ASSIGNOR:CIT GROUP/BUSINES CREDIT, INC., THE;REEL/FRAME:013599/0271 Owner name: STERLING CANADA, INC., TEXAS Effective Date: Dec 19, 2002 free format text: RELEASE OF SECURITY INTEREST IN PATENTS;ASSIGNOR:CIT GROUP,THE/BUSINESS CREDIT, INC.;REEL/FRAME:013589/0715 Owner name: STERLING CANADA,INC., TEXAS Effective Date: Dec 19, 2002 free format text: RELEASE OF SECURITY INTEREST IN PATENTS;ASSIGNOR:THE BANK OF NEW YORK;REEL/FRAME:013616/0577 Owner name: STERLING CHEMICALS INTERNATIONAL INC., TEXAS Effective Date: Dec 16, 2002 free format text: RELEASE OF SECURITY INTEREST IN PATENTS;ASSIGNOR:CIT GROUP,THE/BUSINESS CREDIT, INC.;REEL/FRAME:013589/0715 Owner name: STERLING CHEMICALS INTERNATIONAL, INC., TEXAS Effective Date: Dec 19, 2002 free format text: RELEASE OF SECURITY INTEREST IN PATENTS;ASSIGNOR:CIT GROUP/BUSINES CREDIT, INC., THE;REEL/FRAME:013599/0271 Owner name: STERLING CHEMICALS INTERNATIONAL, INC., TEXAS Effective Date: Dec 19, 2002
Dec 13, 2002	FP	LAPSED DUE TO FAILURE TO PAY MAINTENANCE FEE	Effective Date: Dec 13, 2002
Dec 13, 2002	LAPS	LAPSE FOR FAILURE TO PAY MAINTENANCE FEES
Jul 02, 2002	REMI	MAINTENANCE FEE REMINDER MAILED
Jul 23, 1999	AS	ASSIGNMENT	free format text: SECURITY INTEREST;ASSIGNOR:STERLING CHEMICALS INTERNATIONAL, INC.;REEL/FRAME:010452/0899 Owner name: HARRIS TRUST COMPANY OF NEW YORK, NEW YORK Effective Date: Jul 23, 1999
Jul 23, 1999	AS	ASSIGNMENT	free format text: SECURITY INTEREST;ASSIGNORS:STERLING CHEMICALS, INC.;STERLING CANADA, INC.;STERLING PULP CHEMICALS US. INC.;AND OTHERS;REEL/FRAME:010340/0293 Owner name: CIT GROUP, THE/BUSINESS CREDIT, INC. AS ADMINISTRA Effective Date: Jul 23, 1999 free format text: SECURITY AGREEMENT;ASSIGNORS:STERLING CHEMICALS, INC.;STERLING CANADA, INC.;STERLING PULP CHEMICALS, US, INC.;AND OTHERS;REEL/FRAME:010351/0370 Owner name: CIT GROUP/BUSINESS CREDIT, INC., THE, AS ADMINISTR Effective Date: Jul 23, 1999
May 29, 1998	FPAY	FEE PAYMENT	year of fee payment: 4
Jan 31, 1997	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:CYTEC TECHNOLOGY CORP.;REEL/FRAME:009731/0764 Owner name: STERLING CHEMICALS INTERNATIONAL, INC., TEXAS Effective Date: Jan 31, 1997
Dec 04, 1995	FEPP	FEE PAYMENT PROCEDURE	free format text: PAYOR NUMBER ASSIGNED (ORIGINAL EVENT CODE: ASPN); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY
Dec 13, 1994	I	Issuance
Feb 10, 1994	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:AMERICAN CYANAMID COMPANY;REEL/FRAME:006875/0833 Owner name: CYTEC TECHNOLOGY CORP., DELAWARE Effective Date: Feb 10, 1994
Nov 10, 1993	F	Filing
Nov 10, 1993	PD	Priority Date
Nov 09, 1993	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:AVOTINS, PETER V.;EVANS, ROBERT E.;REEL/FRAME:006776/0850 Owner name: AMERICAN CYANAMID COMPANY, CONNECTICUT Effective Date: Nov 09, 1993