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

Patent Owner(s)

Patent Owner	Address
ARCH UK BIOCIDES LIMITED	HEXAGON HOUSE BLAKLEY MANCHESTER M98ZS

International Classification(s)

• C07D:HETEROCYCLIC COMPOUNDS

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
James, Mark Robert	Manchester, GB	18	128
# of filed Patents : 18 Total Citations : 128

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• 22 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: 6608208

Process for the preparation of 1,2-benzisothiazolin-3-ones

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Abstract

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A process for making a 2-alkylbenzisothiazolinone which comprises reacting a bisamide of formula ##STR1## in water or an organic liquid containing water with a bisulphite or bisulphite release agent to form a Bunte salt and converting the Bunte salt under alkaline conditions to 2-alkyl-BIT. R is alkyl. Preferred substituents R are butyl, hexyl, 2-ethylbutyl and 2-ethylhexyl.

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Description

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Legal Events

 

• FPAY2014
• FPAY2011
• FPAY2007
• AS2005
• AS2004
• I2003
• STCF2003
• AS2001
• F1999
• AS1997
• PD1995

Date	Code	Event	Description
Dec 29, 2014	FPAY	FEE PAYMENT	year of fee payment: 12
Feb 22, 2011	FPAY	FEE PAYMENT	year of fee payment: 8
Feb 20, 2007	FPAY	FEE PAYMENT	year of fee payment: 4
Sep 15, 2005	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:AVECIA LIMITED;REEL/FRAME:016883/0239 Owner name: ARCH UK BIOCIDES LIMITED, UNITED KINGDOM Effective Date: Sep 15, 2005
May 07, 2004	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:SYNGENTA LIMITED;REEL/FRAME:014733/0844 Owner name: AVECIA LIMITED, ENGLAND Effective Date: May 07, 2004
Aug 19, 2003	I	Issuance
Jul 31, 2003	STCF	INFORMATION ON STATUS: PATENT GRANT	free format text: PATENTED CASE
Feb 23, 2001	AS	ASSIGNMENT	free format text: CHANGE OF NAME;ASSIGNOR:ZENECA LIMITED;REEL/FRAME:014677/0791 Owner name: SYNGENTA LIMITED, UNITED KINGDOM Effective Date: Feb 23, 2001
Apr 26, 1999	F	Filing
Mar 10, 1997	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:JAMES, MARK ROBERT;REEL/FRAME:009923/0020 Owner name: ZENECA LIMITED, UNITED KINGDOM Effective Date: Mar 10, 1997
Mar 17, 1995	PD	Priority Date