ALCIDE CORP

Beneficial ownership report for a passive holder of more than 5% (Schedule 13G) (amendment)

Beneficial ownership report for a holder of more than 5% (Schedule 13D) (amendment)

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

Written communication about a business combination transaction (Rule 425)

Written communication about a business combination transaction (Rule 425)

General form for quarterly reports under Section 13 or 15(d) (amendment)

General form for quarterly reports under Section 13 or 15(d)

12,7

Beneficial ownership report for a holder of more than 5% (Schedule 13D)

5,7

Written communication about a business combination transaction (Rule 425)

Written communication about a business combination transaction (Rule 425)

Beneficial ownership report for a passive holder of more than 5% (Schedule 13G)

12,7

General form for quarterly reports under Section 13 or 15(d)

General form for quarterly reports under Section 13 or 15(d)

12,7

Definitive Proxy Statement

Annual report pursuant to Section 13 or 15(d)

12,7

No description available

General form for quarterly reports under Section 13 or 15(d)

9

General form for quarterly reports under Section 13 or 15(d)

General form for quarterly reports under Section 13 or 15(d)

Definitive Proxy Statement

Annual report pursuant to Section 13 or 15(d)

4,7

4

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Post Effective Amendment to S-8

General form for quarterly reports under Section 13 or 15(d)

General form for quarterly reports under Section 13 or 15(d)

General form for quarterly reports under Section 13 or 15(d)

No description available

Definitive Proxy Statement

General form for quarterly reports under Section 13 or 15(d)

General form for quarterly reports under Section 13 or 15(d)

General form for quarterly reports under Section 13 or 15(d)

No description available

Definitive Proxy Statement

General form for quarterly reports under Section 13 or 15(d)

General form for quarterly reports under Section 13 or 15(d)

General form for quarterly reports under Section 13 or 15(d)

Definitive Proxy Statement

Definitive Proxy Statement

5,7

Definitive Proxy Statement

5,7

Definitive Proxy Statement

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Definitive Proxy Statement

KEMP G KERE

ECOLAB INC

SASENICK JOSEPH A

WINTER JAMES

RICHARDS JOHN P

SASENICK JOSEPH A

RICHARDS JOHN P

SASENICK JOSEPH A

KEMP G KERE

ECOLAB INC

KEMP G KERE

RICHARDS JOHN P

SASENICK JOSEPH A

KEMP G KERE

SASENICK JOSEPH A

KEMP G KERE