(84) |
Designated Contracting States: |
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DE FR GB IT |
(30) |
Priority: |
19.12.1991 US 19910810197 16.03.1992 US 19920851600 04.05.1992 US 19920878281
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(71) |
Applicant: ETHYL CORPORATION |
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Richmond Virginia 23219 (US) |
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(72) |
Inventors: |
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- CRUTCHER, Terry
Madison, WI 53704 (US)
- SAUER, Joe, D.
Baton Rouge, LA 70816 (US)
- SMITH, Kim, R.
Huntington, IN 46750 (US)
- BORLAND, James, E.
Baton Rouge, LA 70815 (US)
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(74) |
Representative: Sandmair, Kurt, Dr. Dr. |
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Patentanwälte Schwabe, Sandmair, Marx Stuntzstrasse 16 D-81677 München D-81677 München (DE) |
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