Assignee
COLUMBIA CHEM CORP
12 granted patents·1 pending application·123 citations·filing 1975–2003
Top patents by PatentIndex Score
13 records- 0185US4072582AAqueous acid plating bath and additives for producing bright electrodeposits of tinCOLUMBIA CHEM CORP·Filed 1976·Granted Feb 7, 1978·25 cites·28 claims
- 0274US4251331ABaths and additives for the electroplating of bright zincCOLUMBIA CHEM CORP·Filed 1980·Granted Feb 17, 1981·16 cites·25 claims
- 0371US3977949AAcidic plating bath and additives for electrodeposition of bright tinCOLUMBIA CHEM CORP·Filed 1975·Granted Aug 31, 1976·13 cites·25 claims
- 0464US4545870AAqueous acid plating bath and brightener composition for producing bright electrodeposits of tinCOLUMBIA CHEM CORP·Filed 1984·Granted Oct 8, 1985·11 cites·25 claims
- 0559US4100040AElectrodeposition of bright zinc utilizing aliphatic ketonesCOLUMBIA CHEM CORP·Filed 1977·Granted Jul 11, 1978·11 cites·30 claims
- 0655US4530741AAqueous acid plating bath and brightener composition for producing bright electrodeposits of tinCOLUMBIA CHEM CORP·Filed 1984·Granted Jul 23, 1985·8 cites·13 claims
- 0755US4007098ABaths and additives for the electrodeposition of bright zincCOLUMBIA CHEM CORP·Filed 1975·Granted Feb 8, 1977·9 cites·43 claims
- 0854US4061547AAcidic plating bath and additives for electrodeposition of bright tinCOLUMBIA CHEM CORP·Filed 1976·Granted Dec 6, 1977·7 cites·21 claims
- 0953US6830674B2Brightener additive and bath for alkaline cyanide-free zinc electroplatingCOLUMBIA CHEM CORP·Filed 2002·Granted Dec 14, 2004·2 cites·22 claims
- 1050US4417957AAqueous acid plating bath and brightener mixture for producing semibright to bright electrodeposits of tinCOLUMBIA CHEM CORP·Filed 1982·Granted Nov 29, 1983·7 cites·19 claims
- 1149US4049510ABaths and additives for the electrodeposition of bright zincCOLUMBIA CHEM CORP·Filed 1976·Granted Sep 20, 1977·7 cites·35 claims
- 1249US3988219ABaths and additives for the electrodeposition of bright zincCOLUMBIA CHEM CORP·Filed 1975·Granted Oct 26, 1976·7 cites·28 claims
- 1335US2004170848A1Corrosion inhibiting composition for metalsCOLUMBIA CHEM CORP·Filed 2003·Application pending·0 cites
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →