Dirkzwager; Henk
Patent Applications and Registrations
Patent applications and USPTO patent grants for Dirkzwager; Henk.The latest application filed is for "methods of preparing branched alkyl aromatic hydrocarbons".
- Dirkzwager; Henk - Amsterdam NL
- Dirkzwager; Henk - Heemstede NL
| Patent | Date |
|---|---|
| Process for the preparation of detergent compounds Grant 7,674,940 - Dirkzwager , et al. March 9, 2 | 2010-03-09 |
| Methods of preparing branched alkyl aromatic hydrocarbons App 20060224028 - Ayoub; Paul Marie ; et al. | 2006-10-05 |
| Process for the preparation of detergent compounds App 20060149117 - Dirkzwager; Henk ; et al. | 2006-07-06 |
| Methods of preparing branched alkyl aromatic hydrocarbons App 20040176655 - Ayoub, Paul Marie ; et al. | 2004-09-09 |
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