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Assignee Name : MINERALS TECHNOLOGIES INC.

Total Assignments: 22

Assignment: 1

Reel/Frame:	006663/0029			Pages:	7
		Recorded:	08/26/1993
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).

Assignor

PFIZER INC.

Exec Dt:

12/07/1992

Assignee

MINERALS TECHNOLOGIES INC.

235 EAST 42ND STREET

NEW YORK, NEW YORK 10023

Properties

Pat #	Pub #	Intl #	App #	Pat #	Pub #	Intl #	App #	Pat #	Pub #	Intl #	App #
3944686	NONE		05480922	3964924	NONE		05596021	4048953	NONE		05642607
4235362	NONE		06022451	4257817	NONE		06083824	4367207	NONE		06217735
4412762	NONE		06277301	4450136	NONE		06356580	4512800	NONE		06522753
4481032	NONE		06522754	4627961	NONE		06772293	4714603	NONE		06860946
4705261	NONE		06936058	4830989	NONE		07161258	4843044	NONE		07162768
4892590	NONE		07202175	4927618	NONE		07204057	5001092	NONE		07279478
4980395	NONE		07490189	5043017	NONE		07491366	5269818	NONE		07493075
5082648	NONE		07596121	5147507	NONE		07628318	5156719	NONE		07628319
5296002	NONE		07628734	5227025	NONE		07628737	5126011	NONE		07772403
5215734	NONE		07901440	5364828	NONE		07964338

Correspondence name and address
	LANNING G. BRYER, ESQ.
	LADAS & PARRY
	26 WEST 61ST STREET
	NEW YORK, NY 10023

Assignment: 2

Reel/Frame:	006452/0670			Pages:	11
		Recorded:	03/15/1993
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST.

Assignor

PFIZER INC.

Exec Dt:

03/08/1993

Assignee

MINERALS TECHNOLOGIES INC.

235 EAST 42ND STREET

NEW YORK, NEW YORK 10017

Properties

Pat #

Pub #

Intl #

App #

Pat #

Pub #

Intl #

App #

Pat #

Pub #

Intl #

App #

5269818

NONE

07493075

5296002

NONE

07628734

5227025

NONE

07628737

5215734

NONE

07901440

5364828

NONE

07964338

Correspondence name and address
	EDWARD J. WHITFIELD
	235 EAST 42ND STREET
	NEW YORK, NY 10017

Assignment: 3

Reel/Frame:	006681/0530			Pages:	4
		Recorded:	08/25/1993
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).

Assignors

FRANCIS, RAYMOND COLIN

Exec Dt:

08/18/1993

EVANS, DANIEL BRUCE

Exec Dt:

08/18/1993

Assignees

RESEARCH FOUNDATION OF STATE UNIVERSITY OF NEW YORK, THE

P.O. BOX 9

ALBANY, NEW YORK 12201-0009

MINERALS TECHNOLOGIES INC.

235 EAST 42ND STREET

NEW YORK, NEW YORK 10017-5755

Property

Pat #

Pub #

Intl #

App #

5360515

NONE

08111627

Correspondence name and address
	PHILIP E. HANSEN
	HESLIN & ROTHENBERG
	450 NEW KARNER ROAD
	ALBANY, NY 12205

Assignment: 4

Reel/Frame:	007260/0147			Pages:	2
		Recorded:	11/21/1994
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).

Assignor

DRUMMOND, DONALD KENDALL

Exec Dt:

11/18/1994

Assignee

MINERALS TECHNOLOGIES INC.

MARVIN J. POWELL PATENT DEPARTMENT

9 HIGHLAND AVENUE

BETHLEHEM, PENNSYLVANIA 18017

Property

Pat #

Pub #

Intl #

App #

5690897

NONE

08343002

Correspondence name and address
	MINERALS TECHNOLOGIES INC.
	MARVIN J. POWELL
	CORPORATE COUNSEL - PATENT DEPARTMENT
	9 HIGHLAND AVENUE
	BETHLEHEM, PENNSYLVANIA 18017

Assignment: 5

Reel/Frame:	007797/0523			Pages:	3
		Recorded:	12/05/1995
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).

Assignors

DEUTSCH, DONALD RICHARD

Exec Dt:

12/05/1995

WISE, KENNETH JAMES

Exec Dt:

12/05/1995

Assignee

MINERALS TECHNOLOGIES INC.

MARVIN J. POWELL, INTELLECTUAL PROPERTY DEPARTMENT

405 LEXINGTON AVENUE

NEW YORK, NEW YORK 10174

Property

Pat #

Pub #

Intl #

App #

5741471

NONE

08567754

Correspondence name and address
	MINERALS TECHNOLOGIES INC.
	MARVIN I. POWELL
	INTELLECTUAL PROPERTY DEPARTMENT
	9 HIGHLAND AVENUE
	BETHLEHEM, PA 18017

Assignment: 6

Reel/Frame:	008185/0973			Pages:	3
		Recorded:	09/05/1996
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).

Assignors

FAIRCHILD, GEORGE HENRY

Exec Dt:

09/05/1996

THATCHER, RICHARD LOUIS

Exec Dt:

09/05/1996

Assignee

MINERALS TECHNOLOGIES INC.

MARVIN J. POWELL INTELLECTUAL PROPERTY DEPARTMENT

405 LEXINGTON AVENUE

NEW YORK, NEW YORK 10174

Property

Pat #

Pub #

Intl #

App #

6022517

NONE

08708767

Correspondence name and address
	MINERALS TECHNOLOGIES INC.
	MARVIN J. POWELL
	INTELLECTUAL PROPERTY DEPT.
	1 HIGHLAND AVENUE
	BETHLEHEM, PA 18017

Assignment: 7

Reel/Frame:	008190/0506			Pages:	3
		Recorded:	09/05/1996
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).

Assignors

FAIRCHILD, GEORGE HENRY

Exec Dt:

09/05/1996

THATCHER, RICHARD LOUIS

Exec Dt:

09/05/1996

Assignee

MINERALS TECHNOLOGIES INC.

405 LEXINGTON AVENUE

MARVIN J. POWELL, INTELLECTUAL PROPERTY DEPARTMENT

NEW YORK, NEW YORK 10174

Property

Pat #

Pub #

Intl #

App #

6071336

NONE

08711427

Correspondence name and address
	MINERALS TECHNOLOGIES INC.
	MARVIN I. POWELL
	INTELLECTUAL PROPERTY DEPARTMENT
	1 HIGHLAND AVENUE
	BETHLEHEM, PA 18017

Assignment: 8

Reel/Frame:	008487/0383			Pages:	3
		Recorded:	04/10/1997
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).

Assignors

COLAVITO, DOMINICK

Exec Dt:

03/13/1997

PESCHLER, WILLIAM

Exec Dt:

03/13/1997

VANDERBILT, DOUGLAS

Exec Dt:

03/26/1997

Assignee

MINERALS TECHNOLOGIES INC.

405 LEXINGTON AVENUE

THE CHRYSLER BUILDING

NEW YORK, NEW YORK 10174

Property

Pat #

Pub #

Intl #

App #

5884851

NONE

08826850

Correspondence name and address
	PENNIE & EDMONDS LLP
	ALLAN A. FANUCCI
	1155N AVENUE OF THE AMERICAS
	NEW YORK, NEW YORK 10036

Assignment: 9

Reel/Frame:	008565/0164			Pages:	3
		Recorded:	05/16/1997
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).

Assignors

HASKINS, WILLIAM JOHN

Exec Dt:

05/16/1997

OSTERHUBER, EDWARD JOSEPH

Exec Dt:

05/16/1997

Assignee

MINERALS TECHNOLOGIES INC.

MARVIN J. POWELL, INTELLECTUAL PROPERTY DEPT.

405 LEXINGTON AVENUE

NEW YORK, NEW YORK 10174

Property

Pat #

Pub #

Intl #

App #

5861209

NONE

08857549

Correspondence name and address
	MINERALS TECHNOLOGIES, INC.
	MARVIN J. POWELL
	ONE HIGHLAND AVENUE
	BETHLEHEM, PA 18017

Assignment: 10

Reel/Frame:	008923/0067			Pages:	3
		Recorded:	12/31/1997
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).

Assignors

FAIRCHILD, GEORGE HENRY

Exec Dt:

12/23/1997

HOCKMAN, JOHN ALBERT

Exec Dt:

12/24/1997

Assignee

MINERALS TECHNOLOGIES INC.

INTELLECTUAL PROPERTY DEPARTMENT

ONE HIGHLAND AVENUE

BETHLEHEM, PENNSYLVANIA 18017

Property

Pat #

Pub #

Intl #

App #

6287378

NONE

09001335

Correspondence name and address
	MINERALS TECHNOLOGIES INC.
	MARVIN J. POWELL
	INTELLECTUAL PROPERTY DEPT.
	ONE HIGHLAND AVENUE
	BETHLEHEM, PA 18017

Assignment: 11

Reel/Frame:	008919/0122			Pages:	3
		Recorded:	12/30/1997
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).

Assignors

BAUM, RICHARD S.

Exec Dt:

12/29/1997

KING, PHILLIP R.

Exec Dt:

12/29/1997

Assignee

MINERALS TECHNOLOGIES INC.

INTELLECTUAL PROPERTY DEPARTMENT

ONE HIGHLAND AVENUE

BETHLEHEM, PENNSYLVANIA 18017

Property

Pat #

Pub #

Intl #

App #

6053960

NONE

09000990

Correspondence name and address
	MINERALS TECHNOLOGIES INC.
	MARVIN J. POWELL
	INTELLECTUAL PROPERTY DEPT.
	ONE HIGHLAND AVENUE
	BETHLEHEM, PA 18017

Assignment: 12

Reel/Frame:	008919/0142			Pages:	2
		Recorded:	12/30/1997
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).

Assignor

KING, PHILLIP R.

Exec Dt:

12/29/1997

Assignee

MINERALS TECHNOLOGIES INC.

INTELLECTUAL PROPERTY DEPARTMENT

ONE HIGHLAND AVENUE

BETHLEHEM, PENNSYLVANIA 18017

Property

Pat #

Pub #

Intl #

App #

5988545

NONE

09000989

Correspondence name and address
	MINERALS TECHNOLOGIES INC.
	MARVIN J. POWELL
	INTELLECTUAL PROPERTY DEPT.
	ONE HIGHLAND AVENUE
	BETHLEHEM, PENNSYLVANIA 18017

Assignment: 13

Reel/Frame:	009141/0982			Pages:	2
		Recorded:	03/24/1998
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).

Assignors

DEUTSCH, DONALD RICHARD

Exec Dt:

03/24/1998

WISE, KENNETH JAMES

Exec Dt:

03/24/1998

Assignee

MINERALS TECHNOLOGIES INC.

405 LEXINGTON AVENUE

NEW YORK, NEW YORK 10174

Property

Pat #

Pub #

Intl #

App #

6294143

NONE

09047136

Correspondence name and address
	MINERALS TECHNOLOGIES INC.
	MARVIN L. POWELL
	INTELLECTUAL PROPERTY DEPARTMENT
	1 HIGHLAND AVENUE
	BETHLEHEM, PA 18017

Assignment: 14

Reel/Frame:	009339/0347			Pages:	2
		Recorded:	07/09/1998
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).

Assignor

GILL, ROBERT ANTHONY

Exec Dt:

07/08/1998

Assignee

MINERALS TECHNOLOGIES INC.

INTELLECTUAL PROPERTY DEPARTMENT

ONE HIGHLAND AVENUE

BETHLEHEM, PENNSYLVANIA 18017

Property

Pat #

Pub #

Intl #

App #

6126783

NONE

09112414

Correspondence name and address
	MINERALS TECHNOLOGIES INC.
	MARVIN J. POWELL
	INTELLECTUAL PROPERTY DEPT.
	ONE HIGHLAND AVENUE
	BETHLEHEM, PA 18017

Assignment: 15

Reel/Frame:	009382/0955			Pages:	4
		Recorded:	08/10/1998
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).

Assignors

RADOSTA, JOSEPH ANTHONY

Exec Dt:

08/10/1998

DRUMMOND, DONALD KENDALL

Exec Dt:

08/10/1998

DEUTSCH, DONALD RICHARD

Exec Dt:

08/10/1998

Assignee

MINERALS TECHNOLOGIES INC.

ONE HIGHLAND AVENUE

INTELLECTUAL PROPERTY DEPARTMENT

BETHLEHEM, PENNSYLVANIA 18017

Property

Pat #

Pub #

Intl #

App #

6017991

NONE

09131494

Correspondence name and address
	MINERALS TECHNOLGIES INC.
	TERRY B. MORRIS
	INTELLECTUAL PROPERTY DEPT.
	ONE HIGHLAND AVENUE
	BETHLEHEM, PA 18017

Assignment: 16

Reel/Frame:	009963/0673			Pages:	3
		Recorded:	05/12/1999
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).

Assignors

KING, PHILLIP RONALD

Exec Dt:

12/10/1998

BAUM, RICHARD SHADDINGER

Exec Dt:

12/10/1998

Assignee

MINERALS TECHNOLOGIES INC.

INTELLECTUAL PROPERTY DEPARTMENT

ONE HIGHLAND AVENUE

BETHLEHEM, PENNSYLVANIA 18017

Property

Pat #

Pub #

Intl #

App #

6346135

NONE

09209517

Correspondence name and address
	MINERALS TECHNOLOGIES INC.
	TERRY B. MORRIS
	ONE HIGHLAND AVENUE
	INTELLECTUAL PROPERTY DEPT.
	BETHLEHEM, PA 18017

Assignment: 17

Reel/Frame:	009880/0014			Pages:	3
		Recorded:	04/06/1999
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).

Assignors

DRUMMOND, DONALD KENDALL

Exec Dt:

04/06/1999

WERNETT, PATRICK CLINTON

Exec Dt:

04/06/1999

Assignee

MINERALS TECHNOLOGIES INC.

405 LEXINGTON AVENUE

NEW YORK, NEW YORK 10174

Property

Pat #

Pub #

Intl #

App #

6090242

NONE

09286742

Correspondence name and address
	MINERALS TECHNOLOGIES INC.
	MARVIN J. POWELL
	ONE HIGHLAND AVENUE
	BETHLEHEM, PA 18017

Assignment: 18

Reel/Frame:	009907/0213			Pages:	4
		Recorded:	04/16/1999
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).

Assignor

ERDMAN, GERALD DEAN

Exec Dt:

04/16/1999

Assignee

MINERALS TECHNOLOGIES INC.

INTELLECTUAL PROPERTY DEPARTMENT

ONE HIGHLAND AVENUE

BETHLEHEM, PENNSYLVANIA 18017

Property

Pat #

Pub #

Intl #

App #

6451268

NONE

09293614

Correspondence name and address
	MINERALS TECHNOLOGIES INC.
	MARVIN J. POWELL
	INTELLECTUAL PROPERTY DEPT.
	ONE HIGHLAND AVENUE
	BETHLEHEM, PA 18017

Assignment: 19

Reel/Frame:	009908/0815			Pages:	3
		Recorded:	04/19/1999
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).

Assignor

ERDMAN, GERALD DEAN

Exec Dt:

04/19/1999

Assignee

MINERALS TECHNOLOGIES INC.

INTELLECTUAL PROPERTY DEPARTMENT

ONE HIGHLAND AVENUE

BETHLEHEM, PENNSYLVANIA 18017

Property

Pat #

Pub #

Intl #

App #

6454907

NONE

09294161

Correspondence name and address
	MINERALS TECHNOLOGIES INC.
	MARVIN J. POWELL
	INTELLECTUAL PROPERTY DEPT.
	ONE HIGHLAND AVENUE
	BETHLEHEM, PA 18017

Assignment: 20

Reel/Frame:	010075/0466			Pages:	3
		Recorded:	06/30/1999
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).

Assignor

DRUMMOND, DONALD KENDALL

Exec Dt:

06/30/1999

Assignee

MINERALS TECHNOLOGIES INC.

INTELLECTUAL PROPERTY DEPARTMENT

ONE HIGHLAND AVENUE

BETHLEHEM, PENNSYLVANIA 18017

Property

Pat #

Pub #

Intl #

App #

6593400

NONE

09343825

Correspondence name and address
	MINERALS TECHNOLOGIES INC.
	MARVIN J. POWELL
	INTELLECTUAL PROPERTY DEPT.
	ONE HIGHLAND AVENUE
	BETHLEHEM, PA 18017

Assignment: 21

Reel/Frame:	010075/0497			Pages:	3
		Recorded:	06/30/1999
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).

Assignor

DRUMMOND, DONALD KENDALL

Exec Dt:

06/30/1999

Assignee

MINERALS TECHNOLOGIES INC.

INTELLECTUAL PROPERTY DEPARTMENT

ONE HIGHLAND AVENUE

BETHLEHEM, PENNSYLVANIA 18017

Property

Pat #

Pub #

Intl #

App #

6228249

NONE

09343826

Correspondence name and address
	MINERALS TECHNOLOGIES INC.
	MARVIN J. POWELL
	INTELLECTUAL PROPERTY DEPT.
	ONE HIGHLAND AVENUE
	BETHLEHEM, PA 18017

Assignment: 22

Reel/Frame:	010573/0387			Pages:	4
		Recorded:	12/29/1999
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).

Assignors

SAULSBERY, ROBIN L.

Exec Dt:

12/29/1999

SLOZER, MATTHEW FREDERICK

Exec Dt:

12/29/1999

Assignee

MINERALS TECHNOLOGIES INC.

ONE HIGHLAND AVENUE

BETHLEHEM, PENNSYLVANIA 18017

Property

Pat #

Pub #

Intl #

App #

7150839

NONE

10221548

Correspondence name and address
	MARVIN J. POWELL
	INTELLECTUAL PROPERTY DEPARTMENT
	ONE HIGHLAND AVENUE
	BETHLEHEM, PA 18017

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