Jon A. Orvik — 20 Patents | Patent Leaderboard

Jon A. Orvik has been granted 20 US patents. The first was granted in 1981 and the most recent in October 1996. Jon A. Orvik ranks #214,803 of 4,157,543 US inventors in our database (top 5.2%). Patent records list Jon A. Orvik in Danville, CA, US.

Patents per Year

Issued Patents All Time

Showing 1–20 of 20 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
5563269	2-alkoxy-4-hydrazinopyrimidine compounds and their use in the preparation of 5-alkoxy-1,2,4-triazolo(4,3-C)-pyrimidine-3 (2H)-thione compounds	Dawn Shiang	1996-10-08
5552546	Process for the preparation of 2-ethoxy-4,6-dihydroxypyrimidine	Douglas L. Pearson, Gary Roth, Carmen A. Scott, Ron B. Leng, Dawn Shiang	1996-09-03
5488109	5-alkoxy[1,2,4]triazolo[1,5-c]pyrimidine-2(3H)--thione compounds and their use in the preparation of and 2-chlorosulfonyl-5-alkoxy[1,2,4]triazolo[1,5-c]-pyrimidine compounds	Thomas A. Olmstead, Michael A. Gonzalez, Douglas L. Pearson, James W. Ringer, Dawn Shiang +2 more	1996-01-30
5480991	2-Alkoxy-4-hydroazinopyrimidine compounds and their use in the preparation of 5-alkoxy-1,2,4-triazolo[4,3-c]pyrimidine-3(2H)-thione compounds	Dawn Shiang	1996-01-02
5461153	2-alkoxy-4-hydrazinopyrimidine compounds	Dawn Shiang	1995-10-24
5189210	Process for the preparation of 3- and/or 5-substituted anthranilic acids	Terry L. Wright	1993-02-23
5106984	2-hydrocarbyl-3,6-dichloropyridines and their preparation	Marc Halpern, Thomas J. Dietsche	1992-04-21	$6,179,000
5084576	2-hydrocarbyl-3,6-dichloropyridine compounds	Marc Halpern, Thomas J. Dietsche, J. Brian Barron	1992-01-28	$11,163,000
5012017	Phenoxyphenoxypropionates, intermediates thereof and methods of preparation	Norman R. Pearson, Anthony P. Haag, Timothy J. Adaway, Larry D. Kershner, Andrew S. Kende	1991-04-30
4988812	Aqueous process for the preparation of 5-methyl-n-(aryl)-1,2,4-triazolo(1,5-A)pyrimidine-2-sulfonamides	Kay Kim, Richard C. Krauss	1991-01-29
4766219	Preparation of 2-cyano-6-chloropyridine compounds	Alexander P. Fung, Jim Love, Thomas J. Dietsche	1988-08-23	$4,014,000
4739070	Preparation of substituted (dichloromethyl)pyridines	—	1988-04-19	$8,268,000
4713460	2,3-bis-(poly)(chloromethyl)pyridines	Michael A. Desjardin, Thomas J. Dietsche	1987-12-15	$5,585,000
4705859	Polychloropyridine production from polychloro-2,3-lutidines	Thomas J. Dietsche	1987-11-10	$5,620,000
4594422	Selective halogenation of 6-hydroxy picoline derivatives	—	1986-06-10	$3,692,000
4499277	Reduction of trichloromethylpyridines to dichloromethylpyridines	Sudarhshan K. Malhotra	1985-02-12	$5,630,000
4499276	Reduction of trichloromethylpyridines to dichloromethylpyridines	Sudarshan K. Malhotra	1985-02-12	$5,630,000
4327220	Process for reducing picoline derivatives using copper catalyst	—	1982-04-27	$4,629,000
4275212	Method of preparing pyridinyloxyphenols and derivatives	—	1981-06-23	$4,849,000
4257899	Method for removing chloropicrin from an aqueous medium	—	1981-03-24	$4,576,000

Jon A. Orvik — 20 Patents

Patents per Year

Issued Patents All Time

Patent Widget