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Robert A. DeVries — 19 Patents

EAE.I. Du Pont De Nemours And: 17 patents #460 of 12,129Top 4%
Dow Global Technologies: 2 patents #1,896 of 4,534Top 45%
Midland, MI: #223 of 2,814 inventorsTop 8%
Michigan: #4,375 of 86,293 inventorsTop 6%
Overall (All Time): #229,345 of 4,157,543Top 6%
19 Patents All Time
Robert A. DeVries has been granted 19 US patents. The first was granted in 1986 and the most recent in June 2009. Robert A. DeVries ranks #229,345 of 4,157,543 US inventors in our database (top 5.5%). Patent records list Robert A. DeVries in Midland, MI, US.

Issued Patents All Time

Showing 1–19 of 19 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
RE40728 Acid functional polymers based on benzocyclobutene Ying H. So, Mitchell G. Dibbs, Robert L. McGee, Edward O. Shaffer, II, Michael J. Radler +1 more 2009-06-09
6593155 Method for determination of cure and oxidation of spin-on dielectric polymers Carol E. Mohler 2003-07-15 $20,716,000
6361926 Acid functional polymers based on benzocyclobutene Ying H. So, Mitchell G. Dibbs, Robert L. McGee, Edward O. Shaffer, II, Michael J. Radler +1 more 2002-03-26 $18,099,000
5965679 Polyphenylene oligomers and polymers James P. Godschalx, Duane R. Romer, Ying H. So, Zenon Lysenko, Michael E. Mills +4 more 1999-10-12 $22,825,000
5567835 Preparation of a vinylsiloxane-benzocylobutene from a hydrolyzable vinylsilane-benzocylobutene Edmund J. Stark 1996-10-22 $4,763,000
5532817 Method of optical inspection Reed A. Shick, G. Thomas Wells, Joseph Carr 1996-07-02 $9,078,000
5491250 Process for purifying vinylically unsaturated compounds prepared using a palladium-complex catalyst Edmund J. Stark, John Anthony Schultz, Ernest L. Ecker 1996-02-13 $3,966,000
5416233 Preparation of vinylsilane-benzocyclobutenes Edmund J. Stark 1995-05-16 $9,823,000
5310809 Arylcyclobutene grafted polyolefins Raul A. Pabon, Jr. 1994-05-10 $5,051,000
5264646 Process for preparing vinylically-unsaturated compounds Gregory F. Schmidt, Hughie R. Frick, deceased, Bonnie Frick 1993-11-23 $7,764,000
5248829 Production of acetylated aromatic compounds — 1993-09-28 $5,331,000
5243068 Process for preparing vinylically-unsaturated compounds (II) Hughie R. Frick, deceased 1993-09-07 $11,912,000
5227536 Process for preparing hydroxybenzocyclobutenes Pulikkottil J. Thomas, R. Garth Pews, Daniel A. Batzel 1993-07-13 $4,370,000
5138081 Process for purifying vinylically-unsaturated organosilicon compounds Mary L. Ash, Hughie R. Frick, deceased 1992-08-11 $11,692,000
5136069 Process for preparing vinylically-unsaturated compounds (II) Hughie R. Frick, deceased 1992-08-04 $4,057,000
5077367 Crystalline syndiotactic copolymers from arylcyclobutene functional monomers and vinyl aromatic monomers Richard E. Campbell, Jr. 1991-12-31 $6,316,000
4830846 Separation process for anhydrous HCl and HBr by thermal cleavage Herbert C. Jackson, Jr., Hughie R. Frick, deceased 1989-05-16 $2,340,000
4640831 Method for recovering protic acids using reversible bases — 1987-02-03 $4,605,000
4582929 Method of recovering halide values from carbonylation reaction mixtures — 1986-04-15 $6,242,000

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