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Country	kind	publication No.	Filing Date	Type	Sub-Type
JP	A	JPS56106919	Jan 29, 1980	Patent	Application
Type : Patent Sub-Type : Application
Published unexamined patent application		PRODUCTION OF POLYETHERCARBONATE SURFACTANT		Aug 25, 1981

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

Patent Owner(s)

Patent Owner	Address
PRESIDENT OF SHIZUOKA UNIVERSITY THE	NO 836 OOYA SHIZUOKA-SHI A NATIONAL INSTITUTE OF JAPAN SHIZUOKA-KEN

International Classification(s)

• B01F:MIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING

• 1980 Application Filing Year
• B01F Class
• 249 Applications Filed
• 1 Patents Issued To-Date
• 0.41 % Issued To-Date

Inventor(s)

Inventor Name	Address	# of filed Patents	Total Citations
Fujinami, Tatsuo	Hamamatsu, JP	17	93
# of filed Patents : 17 Total Citations : 93
Kosugi, Kunio	Iwata, JP	1	6
# of filed Patents : 1 Total Citations : 6
Sagesaka, Michiaki	Shimada, JP	2	7
# of filed Patents : 2 Total Citations : 7
Sakai, Shizuyoshi	Hamamatsu, JP	2	14
# of filed Patents : 2 Total Citations : 14
Takemura, Hiroshi	Nagoya, JP	70	1184
# of filed Patents : 70 Total Citations : 1184

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Patent Citation Ranking

• 6 Citation Count
• B01F Class

• 0 % this patent is cited more than
• 42 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: 4382014

Process for producing a polyether carbonate surface active material

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Abstract

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A process for producing a polyether carbonate surface active material having hydrocarbon residue at terminal thereof in an efficient manner, wherein an active hydrogen-containing compound which has a hydrocarbon residue containing 4 or more of carbon atoms and a five-membered ring carbonic acid ester are telomerized in the presence of an ate-complex of a metal of Group II,III or IV of the periodic table having at least two alkoxy groups.

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Description

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Claims

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Claims data not available

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Legal Events

 

• I1983
• STCF1983
• F1980
• AS1980
• PD1980

Date	Code	Event	Description
May 03, 1983	I	Issuance
Mar 03, 1983	STCF	INFORMATION ON STATUS: PATENT GRANT	free format text: PATENTED CASE
Sep 29, 1980	F	Filing
Sep 09, 1980	AS	ASSIGNMENT	free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNORS:SAKAI SHIZUYOSHI;FUJINAMI TATSUO;KOSUGI KUNIO;AND OTHERS;REEL/FRAME:003843/0745 Owner name: PRESIDENT OF SHIZUOKA UNIVERSITY, THE, NO. 836, OO Effective Date: Sep 09, 1980
Jan 29, 1980	PD	Priority Date