RT

Robert H. Tang

PI Ppg Industries: 21 patents #21 of 1,216Top 2%
PO Ppg Industries Ohio: 11 patents #133 of 1,316Top 15%
HP HP: 1 patents #3,612 of 7,018Top 55%
Overall (All Time): #94,700 of 4,157,543Top 3%
36
Patents All Time

Issued Patents All Time

Showing 25 most recent of 36 patents

Patent #TitleCo-InventorsDate
9128343 Method of making an optical element having an electrochromic apodized aperture Forrest R. Blackburn, Jonathan Bork, John Charny, Stefan C. Dehaseth, Peter C. Foller +4 more 2015-09-08
8734033 Optical mechanism with indexing stage with at least one fixed diameter apodized aperture and method of making same Robert W. Walters, Kevin W. Seybert, Forrest R. Blackburn 2014-05-27
8373919 Optical element having an apodized aperture Peter C. Foller, Forrest R. Blackburn, Robert W. Walters, Kevin W. Seybert 2013-02-12
D573370 Coat rack Matthew R. Pauk 2008-07-22
D571599 Teapot Matthew R. Pauk 2008-06-24
7157119 Method and compositions for applying multiple overlying organic pigmented decorations on ceramic substrates Yingchao Zhang, Richard W. Morales, Alan E. Wang, Donald P. Hart, Jr. 2007-01-02
6340725 Inkjet printing media Alan E. Wang, Louis J. Nehmsmann, Suk-Ho Cho, William C. Allison 2002-01-22
6214414 Method for forming a sequence of crosslinked pigmented coatings on ceramic substrates Yingchao Zhang, Louis J. Nehmsmann, Alan E. Wang, George D. Morris, Robert A. Montague 2001-04-10
6074761 Inkjet printing media Alan E. Wang, Louis J. Nehmsmann, Suk-Ho Cho, William C. Allison 2000-06-13
5998534 Water-soluble or water-dispersible addition copolymer Huawen Li, Alan E. Wang 1999-12-07
5997715 Method of electrochemically producing epoxides David Geraint Roberts, Peter C. Foller, Yingchao Zhang, James R. Franks 1999-12-07
5997716 Method of electrochemically producing epoxides David Geraint Roberts, Peter C. Foller, Yingchao Zhang 1999-12-07
5980724 Method of electrochemically producing epoxides David Geraint Roberts, Peter C. Foller, Yingchao Zhang 1999-11-09
5972195 Method of electrolytically producing epoxides David Geraint Roberts, Peter C. Foller, Yingchao Zhang 1999-10-26
5906722 Method of converting amine hydrohalide into free amine Peter C. Foller, David Geraint Roberts 1999-05-25
5904829 Method of converting amine hydrohalide into free amine Peter C. Foller, David Geraint Roberts 1999-05-18
5900133 Method of converting amine hydrohalide into free amine Peter C. Foller, David Geraint Roberts, James R. Franks 1999-05-04
5882501 Method of converting amine hydrohalide into free amine Peter C. Foller, David Geraint Roberts 1999-03-16
5811605 Preparation of 1,2,3,3-tetrachloropropene G. V. Bindu Madhavan, Yingchao Zhang 1998-09-22
5728771 Non-formaldehyde durable press finishing for cellulosic textiles with phosphinocarboxylic acid William Andrus Williams 1998-03-17
5705475 Non-formaldehyde durable press finishing for cellulosic textiles with phosphonoalkylpolycarboxylic William Andrus Williams 1998-01-06
5496476 Non-formaldehyde durable press finishing for cellulosic textiles with phosphonoalkylpolycarboxylic acid William Andrus Williams 1996-03-05
5496477 Non-formaldehyde durable press finishing for cellulosic textiles with phosphinocarboxylic acid William Andrus Williams 1996-03-05
5296627 Ethylenically unsaturated poly(alkyleneoxy) surfactants Paritosh M. Chakrabarti 1994-03-22
5231211 Method for preparing di(organo) esters of pyrocarbonic acid 1993-07-27