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USPTO Patent Rankings Data through Dec 31, 2025
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John E. Bozik — 17 Patents

GDGulf Research & Development: 17 patents #7 of 106Top 7%
Pittsburgh, PA: #399 of 7,570 inventorsTop 6%
Pennsylvania: #4,187 of 74,527 inventorsTop 6%
Overall (All Time): #263,971 of 4,157,543Top 7%
17 Patents All Time
John E. Bozik has been granted 17 US patents while listed as an inventor at Gulf Research & Development. The first was granted in 1980 and the most recent in May 1984. John E. Bozik ranks #263,971 of 4,157,543 US inventors in our database (top 6.3%). Patent records list John E. Bozik in Pittsburgh, PA, US.

Issued Patents All Time

Showing 1–17 of 17 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
4447557 Process for selective formation of C4 compounds and thiol-containing catalyst system used therein Wayne R. Pretzer, Thaddeus P. Kobylinski 1984-05-08 $102,686,000
4409404 Process for producing ethanol using said novel catalyst system Wayne R. Pretzer, Thaddeus P. Kobylinski 1983-10-11 $11,743,000
4352946 Process for producing ethanol Wayne R. Pretzer, Thaddeus P. Kobylinski 1982-10-05 $10,203,000
4346020 Novel catalyst system and process for producing ethanol using said novel catalyst system Wayne R. Pretzer, Thaddeus P. Kobylinski 1982-08-24 $31,182,000
4339611 Process for selective formation of C.sub.4 compounds and organic sulfide-containing catalyst system used therein Wayne R. Pretzer, Thaddeus P. Kobylinski 1982-07-13 $4,124,000
4339608 Process for selective formation of C.sub.4 compounds and tertiary organo group VA compound-containing catalyst system used therein Wayne R. Pretzer, Thaddeus P. Kobylinski 1982-07-13 $4,124,000
4339609 Process for selective formation of C.sub.4 compounds and biphosphine disulfide-containing catalyst system used therein Wayne R. Pretzer, Thaddeus P. Kobylinski 1982-07-13 $4,124,000
4339610 Process for selective formation of C.sub.4 compounds and thiol-containing catalyst system used therein Wayne R. Pretzer, Thaddeus P. Kobylinski 1982-07-13 $4,124,000
4308409 Preparation of propylene glycol from propylene Ching-Yong Wu, Thaddeus P. Kobylinski 1981-12-29 $16,439,000
4282384 Preparation of diisopropylebenzene hydroperoxide Ching-Yong Wu, Harold E. Swift 1981-08-04 $15,764,000
4255596 Preparation of ethylene glycol from ethylene Ching-Yong Wu, Thaddeus P. Kobylinski 1981-03-10 $12,075,000
4255599 Preparation of styrene from ethylbenzene Ching-Yong Wu, Thaddeus P. Kobylinski 1981-03-10 $12,075,000
4239704 Process for producing acetaldehyde Wayne R. Pretzer, Thaddeus P. Kobylinski 1980-12-16 $15,682,000
4239705 Process for producing acetaldehyde Wayne R. Pretzer, Thaddeus P. Kobylinski 1980-12-16 $15,682,000
4239924 Ethanol from methanol Wayne R. Pretzer, Thaddeus P. Kobylinski 1980-12-16 $15,682,000
4239925 Ethanol from methanol Wayne R. Pretzer, Thaddeus P. Kobylinski 1980-12-16 $15,682,000
4217287 Epoxidation of alpha-olefins Ching-Yong Wu, Harold E. Swift 1980-08-12 $19,007,000