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Patent Assignment Assignor Details

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Assignor Name : ISC ACQUISITION COMPANY

Total Assignments: 8

Assignment: 1

Reel/Frame:	005132/0700			Pages:	2
		Recorded:	08/03/1989
Conveyance:	CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).

Assignor

ISC ACQUISITION COMPANY

Exec Dt:

01/17/1989

Assignee

INDSPEC CHEMICAL CORPORATION

Properties

Pat #

Pub #

Intl #

App #

Pat #

Pub #

Intl #

App #

Pat #

Pub #

Intl #

App #

4935551

NONE

07136313

4847437

NONE

07136315

4847436

NONE

07136316

4849549

NONE

07136317

Correspondence name and address
	DAVID V. RADACK
	600 GRANT STREET, 42ND FLOOR
	PITTSBURGH, PA 15219

Assignment: 2

Reel/Frame:	005169/0219			Pages:	2
		Recorded:	09/29/1989
Conveyance:	CHANGE OF NAME (SEE DOCUMENT FOR DETAILS). EFFECTIVE JANUARY 27, 1989

Assignor

ISC ACQUISITION COMPANY

Exec Dt:

01/17/1989

Assignee

INDSPEC CHEMICAL CORPORATION

Property

Pat #

Pub #

Intl #

App #

4945169

NONE

07215555

Correspondence name and address
	ECKERT SEAMANS CHERIN & MELLOTT
	600 GRANT STREET 42ND FLOOR
	PITTSBURGH, PA 15219

Assignment: 3

Reel/Frame:	005122/0990			Pages:	1
		Recorded:	08/15/1989
Conveyance:	CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).

Assignor

ISC ACQUISITION COMPANY

Exec Dt:

05/02/1989

Assignee

INDSPEC CHEMICAL CORPORATION

411 7TH AVE.

PITTSBURGH, PENNSYLVANIA 15219

Property

Pat #

Pub #

Intl #

App #

4892908

NONE

07215395

Correspondence name and address
	HERBERT J. ZEH, JR.
	ECKERT SEAMANS CHERIN & MELLOTT
	600 GRANT STREET - 42ND FLOOR
	PITTSBURGH, PA 15219

Assignment: 4

Reel/Frame:	005137/0628			Pages:	1
		Recorded:	08/14/1989
Conveyance:	CHANGE OF NAME (SEE DOCUMENT FOR DETAILS). JANUARY 17, 1989, DELAWARE

Assignor

ISC ACQUISITION COMPANY

Exec Dt:

05/02/1989

Assignee

INDSPEC CHEMICAL CORPORATION

Property

Pat #

Pub #

Intl #

App #

5049641

NONE

07214325

Correspondence name and address
	HERBERT J. ZEH, JR.
	ECKERT SEAMANS CHERIN & MELLOT
	600 GRANT STREET - 42ND FLOOR
	PITTSBURGH, PA 15219

Assignment: 5

Reel/Frame:	005138/0231			Pages:	5
		Recorded:	07/31/1989
Conveyance:	CHANGE OF NAME (SEE DOCUMENT FOR DETAILS). JANUARY 17, 1989, DELAWARE

Assignor

ISC ACQUISITION COMPANY

Exec Dt:

05/02/1989

Assignee

INDSPEC CHEMICAL CORPORATION

Properties

Pat #	Pub #	Intl #	App #	Pat #	Pub #	Intl #	App #	Pat #	Pub #	Intl #	App #
3679753	NONE		04798467	3708509	NONE		05098978	3862245	NONE		05261116
3862247	NONE		05267534	3862247	NONE		05267534	3900522	NONE		05268035
3862246	NONE		05269870	3860599	NONE		05315208	3902859	NONE		05332668
4022825	NONE		05379768	3888813	NONE		05400926	3928430	NONE		05490207
3919151	NONE		05496057	3929977	NONE		05497299	3919264	NONE		05518481
3953509	NONE		05518921	3953509	NONE		05518921	3984466	NONE		05542008
3935283	NONE		05542086	3933925	NONE		05542087	3937741	NONE		05542605
3937741	NONE		05542605	4086281	NONE		05564785	4032515	NONE		05598728
4009212	NONE		05602767	4046818	NONE		05667336	4108907	NONE		05701811
4090986	NONE		05754392	4271285	NONE		06098920	4302403	NONE		06171450
4309878	NONE		06180308	4399310	NONE		06303541	4405755	NONE		06329198
4431848	NONE		06372030	4429169	NONE		06372055	4429168	NONE		06372060
4447654	NONE		06431640	4508408	NONE		06493496	4493286	NONE		06516679
4479019	NONE		06582083	4656302	NONE		06709658	4633022	NONE		06776398
4599464	NONE		06788731	4705879	NONE		06817899	4645780	NONE		06817984

Correspondence name and address
	DAVID V. RADACK
	600 GRANT STREET, 42ND FLOOR
	PITTSBURGH, PA 15219

Assignment: 6

Reel/Frame:	005140/0221			Pages:	1
		Recorded:	09/05/1989
Conveyance:	CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).

Assignor

ISC ACQUISITION COMPANY

Exec Dt:

05/02/1989

Assignee

INDSPEC CHEMICAL CORPORATION

MINNESOTA

Property

Pat #

Pub #

Intl #

App #

4889891

NONE

07238322

Correspondence name and address
	ARNOLD B. SILVERMAN
	ECKERT SEAMANS CHERIN & MELLOTT
	600 GRANT ST., 42ND FLOOR
	PITTSBURGH, PA 15219

Assignment: 7

Reel/Frame:	005142/0420			Pages:	1
		Recorded:	09/25/1989
Conveyance:	CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).

Assignor

ISC ACQUISITION COMPANY

Exec Dt:

05/02/1989

Assignee

INDSPEC CHEMICAL CORPORATION

Properties

Pat #	Pub #	Intl #	App #	Pat #	Pub #	Intl #	App #	Pat #	Pub #	Intl #	App #
3679753	NONE		04798467	3708509	NONE		05098978	3862245	NONE		05261116
3862247	NONE		05267534	3900522	NONE		05268035	3862246	NONE		05269870
3860599	NONE		05315208	3902859	NONE		05332668	4022825	NONE		05379768
3888813	NONE		05400926	3928430	NONE		05490207	3919151	NONE		05496057
3929977	NONE		05497299	3919264	NONE		05518481	3953509	NONE		05518921
3984466	NONE		05542008	3984466	NONE		05542008	3935283	NONE		05542086
3933925	NONE		05542087	3937741	NONE		05542605	4086281	NONE		05564785
4032515	NONE		05598728	4009212	NONE		05602767	4046818	NONE		05667336
4108907	NONE		05701811	4090986	NONE		05754392	4271285	NONE		06098920
4302403	NONE		06171450	4309878	NONE		06180308	4399310	NONE		06303541
4405755	NONE		06329198	4433181	NONE		06343537	4431848	NONE		06372030
4429168	NONE		06372060	4447654	NONE		06431640	4493286	NONE		06516679
4479019	NONE		06582083	4496774	NONE		06633717	4656302	NONE		06709658
4608408	NONE		06726511	4633022	NONE		06776398	4599464	NONE		06788731
4705879	NONE		06817899	4645780	NONE		06817984

Correspondence name and address
	ECKERT SEAMANS CHERIN & MELLOTT
	600 GRANT STREET 42ND FLOOR
	PITTSBURGH, PA 15219

Assignment: 8

Reel/Frame:	006850/0023			Pages:	2
		Recorded:	01/27/1994
Conveyance:	CHANGE OF NAME EFFECTIVE 1-17-89

Assignor

ISC ACQUISITION COMPANY

Exec Dt:

01/03/1994

Assignee

INDSPEC CHEMICAL CORPORATION

SUITE 300

411 SEVENTH AVENUE

PITTSBURGH, PENNSYLVANIA 15219

Properties

Pat #

Pub #

Intl #

App #

Pat #

Pub #

Intl #

App #

Pat #

Pub #

Intl #

App #

4847437

NONE

07136315

4847436

NONE

07136316

4849549

NONE

07136317

Correspondence name and address
	ECKERT SEAMANS CHERIN & MELLOTT
	DAVID V. RADACK
	42ND FLOOR
	600 GRANT STREET
	PITTSBURGH, PA 15219

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