Family

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

Patent Owner(s)

Patent Owner	Address
DAIKIN INDUSTRIES LTD	OSAKA CITY OSAKA OF JAPAN OSAKA-SHI OSAKA

International Classification(s)

• C14C:CHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g....

• 1991 Application Filing Year
• C14C Class
• 7 Applications Filed
• 2 Patents Issued To-Date
• 28.58 % Issued To-Date

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Kuroi, Masato	Osaka, JP	2	17
# of filed Patents : 2 Total Citations : 17
Maeda, Masahiko	Osaka, JP	61	780
# of filed Patents : 61 Total Citations : 780
Masutani, Tetsuya	Osaka, JP	28	259
# of filed Patents : 28 Total Citations : 259
Yanagisawa, Norio	Osaka, JP	9	47
# of filed Patents : 9 Total Citations : 47

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Patent Citation Ranking

• 14 Citation Count
• C14C Class

• 82.35 % this patent is cited more than
• 32 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: 5256318

Leather treatment and process for treating leather

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Abstract

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A tanned leather treated with a fatliquoring agent in combination with a fluorine-containing oil, which has good touch, water resistance, water-and oil-repellency, washing resistance, and which is not discolored or faded by dry cleaning.

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Description

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Claims

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Legal Events

 

• FPAY2005
• FPAY2001
• FPAY1997
• FEPP1993
• I1993
• STCF1993
• F1991
• AS1991
• PD1990

Date	Code	Event	Description
Mar 29, 2005	FPAY	FEE PAYMENT	year of fee payment: 12
Apr 05, 2001	FPAY	FEE PAYMENT	year of fee payment: 8
Apr 15, 1997	FPAY	FEE PAYMENT	year of fee payment: 4
Dec 05, 1993	FEPP	FEE PAYMENT PROCEDURE	free format text: PAYOR NUMBER ASSIGNED (ORIGINAL EVENT CODE: ASPN); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY
Oct 26, 1993	I	Issuance
Oct 15, 1993	STCF	INFORMATION ON STATUS: PATENT GRANT	free format text: PATENTED CASE
Apr 03, 1991	F	Filing
Mar 27, 1991	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNORS:MASUTANI, TETSUYA;MAEDA, MASAHIKO;YANAGISAWA, NORIO;AND OTHERS;REEL/FRAME:005688/0611 Owner name: DAIKIN INDUSTRIES LTD., UMEDA CENTER BUILDING, 4- Effective Date: Mar 27, 1991
Apr 07, 1990	PD	Priority Date