loadpatents
Patent applications and USPTO patent grants for Oyevaar; Martin Herke.The latest application filed is for "method of preparing a purified ester-substituted phenol stream".
Patent | Date |
---|---|
Method of preparing a purified ester-substituted phenol stream Grant 8,034,967 - Belfadhel , et al. October 11, 2 | 2011-10-11 |
Monomer solution for producing polycarbonate Grant 7,619,053 - Brack , et al. November 17, 2 | 2009-11-17 |
Monomer solution for producing polycarbonate Grant 7,601,794 - Brack , et al. October 13, 2 | 2009-10-13 |
Method of preparing a purified ester-substituted phenol stream App 20090143610 - Belfadhel; Hatem ;   et al. | 2009-06-04 |
Monomer Solution for Producing Polycarbonate App 20090088540 - Brack; Hans-Peter ;   et al. | 2009-04-02 |
Monomer Solution for Producing Polycarbonate App 20090088549 - Brack; Hans-Peter ;   et al. | 2009-04-02 |
Process For The Production Of Polycarbonate Using An Ester Substituted Diaryl Carbonate App 20080287640 - Belfadhel; Hatem ;   et al. | 2008-11-20 |
Process for detecting the location of a phase interface Grant 6,860,972 - Balakrishnan , et al. March 1, 2 | 2005-03-01 |
Process for manufacture of bisphenols Grant 6,858,759 - Oyevaar , et al. February 22, 2 | 2005-02-22 |
Process for manufacture of bisphenols App 20040143142 - Oyevaar, Martin Herke ;   et al. | 2004-07-22 |
Process for manufacture of bisphenols Grant 6,635,788 - Oyevaar , et al. October 21, 2 | 2003-10-21 |
Process for detecting the location of a phase interface App 20030085708 - Balakrishnan, Karithik ;   et al. | 2003-05-08 |
Method and apparatus for the production of polycarbonates with brine recycling Grant 6,340,736 - Coenen , et al. January 22, 2 | 2002-01-22 |
Process for recovering bisphenols Grant 5,723,689 - Pressman , et al. March 3, 1 | 1998-03-03 |
uspto.report is an independent third-party trademark research tool that is not affiliated, endorsed, or sponsored by the United States Patent and Trademark Office (USPTO) or any other governmental organization. The information provided by uspto.report is based on publicly available data at the time of writing and is intended for informational purposes only.
While we strive to provide accurate and up-to-date information, we do not guarantee the accuracy, completeness, reliability, or suitability of the information displayed on this site. The use of this site is at your own risk. Any reliance you place on such information is therefore strictly at your own risk.
All official trademark data, including owner information, should be verified by visiting the official USPTO website at www.uspto.gov. This site is not intended to replace professional legal advice and should not be used as a substitute for consulting with a legal professional who is knowledgeable about trademark law.