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Patent Assignment Assignor Details

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Assignor Name : PROFESSIONAL CHEMICALS CORPORATION

Total Assignments: 6

Assignment: 1

Reel/Frame:	010776/0371			Pages:	16
		Recorded:	05/01/2000
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).

Assignor

PROFESSIONAL CHEMICALS CORPORATION

Exec Dt:

04/18/2000

Assignee

FLEET NATIONAL BANK

100 FEDERAL STREET

BOSTON, MASSACHUSETTS 02110

Properties

Pat #	Pub #	Intl #	App #	Pat #	Pub #	Intl #	App #	Pat #	Pub #	Intl #	App #
4940082	NONE		07286616	4939808	NONE		07468177	4991254	NONE		07519000
5657509	NONE		08437939	5711051	NONE		08626717	5784754	NONE		08874535
6032326	NONE		09187971

Correspondence name and address
	GOULSTON & STORRS
	PAMELA M. MACKENZIE
	400 ATLANTIC AVENUE
	BOSTON, MA 02110

Assignment: 2

Reel/Frame:	011103/0486			Pages:	17
		Recorded:	09/20/2000
Conveyance:	RE-RECORD TO CORRECT THE BRIEF ON THE COVER SHEET, PREVIOUSLY RECORDED AT REEL 010776, FRAME 0371.

Assignor

PROFESSIONAL CHEMICALS CORPORATION

Exec Dt:

04/18/2000

Assignee

FLEET NATIONAL BANK, AS AGENT

100 FEDERAL STREET

BOSTON, MASSACHUSETTS 02110

Properties

Pat #	Pub #	Intl #	App #	Pat #	Pub #	Intl #	App #	Pat #	Pub #	Intl #	App #
4940082	NONE		07286616	4939808	NONE		07468177	4991254	NONE		07519000
5657509	NONE		08437939	5711051	NONE		08626717	5784754	NONE		08874535
6032326	NONE		09187971

Correspondence name and address
	GOULSTON & STORRS
	ATTENTION: PAMELA M. MACKENZIE
	400 ATLANTIC AVENUE
	BOSTON, MA 02110

Assignment: 3

Reel/Frame:	014428/0865			Pages:	16
		Recorded:	08/28/2003
Conveyance:	SECURITY AGREEMENT

Assignor

PROFESSIONAL CHEMICALS CORPORATION

Exec Dt:

04/18/2000

Assignee

FLEET NATIONAL BANK

100 FEDERAL STREET

BOSTON, MASSACHUSETTS 02110

Properties

Pat #

Pub #

Intl #

App #

Pat #

Pub #

Intl #

App #

Pat #

Pub #

Intl #

App #

5033264

NONE

07367383

5403152

NONE

08122245

5463791

NONE

08299276

6226983

NONE

09326324

6182328

NONE

09456790

RE37162

NONE

09490492

D361414

NONE

29004626

Correspondence name and address
	GOULSTON & STORRS, P.C.
	LISA PERUSSE BILLONE
	400 ATLANTIC AVENUE
	BOSTON, MA 02110

Assignment: 4

Reel/Frame:	012865/0502			Pages:	19
		Recorded:	04/23/2002
Conveyance:	SECURITY INTEREST (SEE DOCUMENT FOR DETAILS).

Assignor

PROFESSIONAL CHEMICALS CORPORATION

Exec Dt:

03/28/2002

Assignee

FLEET NATIONAL BANK, AS AGENT

100 FEDERAL STREET

BOSTON, MASSACHUSETTS 02110

Properties

Pat #	Pub #	Intl #	App #	Pat #	Pub #	Intl #	App #	Pat #	Pub #	Intl #	App #
4940082	NONE		07286616	5033264	NONE		07367383	4939808	NONE		07468177
4991254	NONE		07519000	5403152	NONE		08122245	5463791	NONE		08299276
5657509	NONE		08437939	5711051	NONE		08626717	5784754	NONE		08874535
6282328	NONE		09014670	6032326	NONE		09187971	6226983	NONE		09326324
RE37162	NONE		09490492	0361414	NONE		99361414

Correspondence name and address
	GOULSTON & STORRS
	ELEANOR COLEMAN
	400 ATLANTIC AVENUE
	BOSTON, MA 02110

Assignment: 5

Reel/Frame:	015293/0159			Pages:	5
		Recorded:	05/03/2004
Attorney Dkt #:	2651
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).

Assignor

PROFESSIONAL CHEMICALS CORPORATION

Exec Dt:

04/12/2004

Assignee

CASTLE ROCK INDUSTRIES, INC.

1351 W. STANFORD AVENUE

ENGLEWOOD, COLORADO 80110

Properties

Pat #	Pub #	Intl #	App #	Pat #	Pub #	Intl #	App #	Pat #	Pub #	Intl #	App #
4939808	NONE		07468177	4991254	NONE		07519000	5403152	NONE		08122245
5463791	NONE		08299276	5657509	NONE		08437939	5784754	NONE		08874535
6032326	NONE		09187971	6226983	NONE		09326324	6182328	NONE		09456790
RE37162	NONE		09490492	D361414	NONE		29004626

Correspondence name and address
	SHERIDAN ROSS P.C.
	CRAIG W. MUELLER
	1560 BROADWAY
	SUITE 1200
	DENVER, CO 80202-5145

Assignment: 6

Reel/Frame:	015509/0283			Pages:	11
		Recorded:	06/28/2004
Conveyance:	SECURITY AGREEMENT

Assignor

PROFESSIONAL CHEMICALS CORPORATION

Exec Dt:

06/02/2004

Assignee

HARRIS TRUST AND SAVINGS BANK, AS ADMINISTRATIVE AGENT

111 WEST MONROE STREET

CHICAGO, ILLINOIS 60690

Properties

Pat #	Pub #	Intl #	App #	Pat #	Pub #	Intl #	App #	Pat #	Pub #	Intl #	App #
4940082	NONE		07286616	4939808	NONE		07468177	4991254	NONE		07519000
5403152	NONE		08122245	5463791	NONE		08299276	5657509	NONE		08437939
5711051	NONE		08626717	5784754	NONE		08874535	6032326	NONE		09187971
6226983	NONE		09326324	6182328	NONE		09456790	RE37162	NONE		09490492
D361414	NONE		29004626

Correspondence name and address
	FEDERAL RESEARCH COMPANY, LLC
	PENELOPE J.A. AGODOA
	1030 15TH STREET, NW, SUITE 920
	WASHINGTON, DC 20005

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