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Patent Assignment Assignor Details
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Assignor Name : YEN, JEFFREY HSING-GAN
Total Assignments: 7
Assignment: 1
Reel/Frame:004906/0562   Pages: 3
Recorded: 06/27/1988
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
YEN, JEFFREY HSING-GAN
Exec Dt:
06/16/1988
2
CARROLL, GLENN T.
Exec Dt:
06/16/1988
3
SRINIVAS, VIJAY R.
Exec Dt:
06/16/1988
4
TUSZYNSKI, WILLIAM J.
Exec Dt:
06/16/1988
5
WISMER, JOHN A.
Exec Dt:
06/16/1988
Assignee
1
PENNWALT CORPORATION
THREE PARKWAY
A CORP. OF PA
PHILADELPHIA, PENNSYLVANIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5242672
NONE
07188863
Correspondence name and address
ROBERT G. HOFFMANN
PENNWALT CORP.
THREE PARKWAY
PHILADELPHIA, PA 19102
Assignment: 2
Reel/Frame:005123/0239   Pages: 2
Recorded: 08/28/1989
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
LINDSTROM, MICHAEL J.
Exec Dt:
05/24/1989
2
CARROLL, GLENN T.
Exec Dt:
05/24/1989
3
YEN, JEFFREY HSING-GAN
Exec Dt:
05/24/1989
4
CLARK, ROGER T.
Exec Dt:
05/24/1989
Assignee
1
PENNWALT CORPORATION
THREE PARKWAY
PHILADELPHIA, PENNSYLVANIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5091593
NONE
07357399
Correspondence name and address
ROBERT G. HOFFMANN
PENNWALT CORPORATION
THREE PARKWAY
PHILADELPHIA, PA 19102
Assignment: 3
Reel/Frame:006106/0598   Pages: 3
Recorded: 05/11/1992
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST.
Assignors
1
LINDSTROM, MICHAEL J.
Exec Dt:
05/04/1992
2
CARROLL, GLENN T.
Exec Dt:
05/05/1992
3
YEN, JEFFREY HSING-GAN
Exec Dt:
05/05/1992
4
CLARK, ROGER T.
Exec Dt:
05/04/1992
Assignee
1
ELF ATOCHEM NORTH AMERICA, INC.
A CORPORATION OF COMMONWEALTH OF PA
THREE PARKWAY
PHILADELPHIA, PENNSYLVANIA
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5312992
NONE
07780608
Correspondence name and address
ELF ATOCHEM NORTH AMERICA, INC.
ROBERT G. HOFFMANN
THREE PARKWAY
PHILADELPHIA, PA 19102
Assignment: 4
Reel/Frame:006527/0408   Pages: 3
Recorded: 04/22/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
YEN, JEFFREY HSING-GAN
Exec Dt:
04/15/1993
Assignee
1
ELF ATOCHEM NORTH AMERICA, INC.
3 PARKWAY
PHILADELPHIA, PENNSYLVANIA 19102
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5338460
NONE
08051509
Correspondence name and address
ROBERT G. HOFFMANN
ELF ATOCHEM NORTH AMERICA, INC.
PATENT DEPARTMENT
3 PARKWAY
PHILADELPHIA, PA 19102
Assignment: 5
Reel/Frame:006552/0339   Pages: 3
Recorded: 04/22/1993
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignor
1
YEN, JEFFREY HSING-GAN
Exec Dt:
04/15/1993
Assignee
1
ELF ATOCHEM NORTH AMERICA, INC.
3 PARKWAY
PHILADELPHIA, PENNSYLVANIA 19102
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
5378366
NONE
08052025
Correspondence name and address
ROBERT G. HOFFMAN
ELF ATOCHEM NORTH AMERICA, INC.
PATENT DEPARTMENT
3 PARKWAY
PHILADELPHIA, PA 19102
Assignment: 6
Reel/Frame:016316/0613   Pages: 4
Recorded: 07/27/2005
Conveyance: CORRECTIVE ASSIGNMENT TO CORRECT THE LAST NAME OF FIRST INVENTOR IS MISSPELLED. PREVIOUSLY RECORDED ON REEL 015669 FRAME 0572. ASSIGNOR(S) HEREBY CONFIRMS THE NAME SHOULD READ: JEFFREY (FIRST NAME) HSING-GAN (MIDDLE NAME) YEN (LAST NAME).
Assignors
1
YEN, JEFFREY HSING-GAN
Exec Dt:
02/03/2005
2
AMIN-SANAYEI, RAMIN
Exec Dt:
01/12/2005
3
MOUCHARIK, MARIA
Exec Dt:
01/03/2005
Assignee
1
ARKEMA INC.
2000 MARKET STREET
PHILADELPHIA, PENNSYLVANIA 19103
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
7091288
US20060069223
10954800
Correspondence name and address
THOMAS F. ROLAND, ESQ. REG. NO. 42,110
ARKEMA INC.
2000 MARKET ST.
PHILADELPHIA, PA 19103
Assignment: 7
Reel/Frame:049095/0759   Pages: 10
Recorded: 05/07/2019
Attorney Dkt #:IR3883NP
Conveyance: ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
Assignors
1
ZHENG, MIN
Exec Dt:
02/05/2019
2
WOOD, KURT A.
Exec Dt:
02/05/2019
3
DURALI, MEHDI
Exec Dt:
02/08/2019
4
GABOURY, SCOTT R.
Exec Dt:
02/05/2019
5
YEN, JEFFREY HSING-GAN
Exec Dt:
12/11/2006
Assignee
1
ARKEMA INC.
900 FIRST AVENUE
KING OF PRUSSIA, PENNSYLVANIA 19406
Property
 
Pat #
Pub #
Intl #
App #
 
 
 
 
 
 
 
 
 
 
 
NONE
US20180201775
15742612
Correspondence name and address
ABBY W. MELCHER
ARKEMA INC.
900 FIRST AVENUE, BLDG. 4-2
KING OF PRUSSIA, PA 19406

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