PETROLITE CORP

Q: Apr 30 1997

Q: Jan 31 1997

FY: Oct 31 1996

FY: Oct 31 1996

FY: Oct 31 1996

Q: Aug 21 1996

Q: Jun 14 1996

Q: Jan 31 1996

FY: Oct 31 1995

Q: Sep 12 1995

Q: Jun 14 1995

Q: Mar 16 1995

FY: Jan 27 1995

Q: Sep 19 1994

Q: Sep 13 1994

Q: Jun 13 1994

Q: Mar 17 1994

FY: Jan 31 1994

5,7

5,7

Current report pursuant to Section 13 or 15(d)

Current report pursuant to Section 13 or 15(d)

Current report pursuant to Section 13 or 15(d)

Current report pursuant to Section 13 or 15(d)

Certification of termination of registration of a class of securities (Section 12(g))

Definitive Proxy Statement

No description available

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

PRICE T ROWE ASSOCIATES INC /MD/

AMERICAN CENTURY COMPANIES INC

BARNICKEL WILLIAM S & CO

PRICE T ROWE ASSOCIATES INC /MD/

SCUDDER STEVENS & CLARK INC

AMERICAN CENTURY COMPANIES INC

BARNICKEL WILLIAM S & CO

BARNICKEL WILLIAM S & CO

BARNICKEL WILLIAM S & CO

MITCHELL HUTCHINS ASSET MANAGEMENT INC /ADV

PRICE T ROWE ASSOCIATES INC /MD/

TWENTIETH CENTURY COMPANIES INC

SCUDDER STEVENS & CLARK INC