RD

Richard E. Dietz

PP Phillips Petroleum: 24 patents #52 of 1,401Top 4%
Overall (All Time): #166,094 of 4,157,543Top 4%
25
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4719271 Polymerization of olefins — 1988-01-12
4618595 Polymerization of olefins — 1986-10-21
4532272 Creation and maintenance of the bed of a particle form evaporator Mason S. Wilt 1985-07-30
4472523 Zirconium-titanium catalyzed olefin polymerization Melvin B. Welch 1984-09-18
4461882 Olefin polymerization M. Bruce Welch, Charles E. Capshew, Joel L. Martin 1984-07-24
4410451 Catalyst and process Melvin B. Welch 1983-10-18
4410671 Catalyst, method of producing the catalyst, and polymerization process employing the catalyst Melvin B. Welch, Charles E. Capshew 1983-10-18
4406818 Olefin polymerization Joel L. Martin, M. Bruce Welch, Charles E. Capshew 1983-09-27
4405769 Catalyst, method of producing the catalyst, and polymerization process employing the catalyst Charles E. Capshew, James N. Short, M. Bruce Welch 1983-09-20
4396747 Zirconium-titanium catalyzed olefin polymerization Melvin B. Welch 1983-08-02
4362648 Polymerization of olefins Oscar D. Nowlin 1982-12-07
4347161 Polymerization of olefins Max P. McDaniel 1982-08-31
4331558 Polymerization catalyst and process Melvin B. Welch 1982-05-25
4331791 Polymerization process using high molecular weight epoxides Raymond G. Rohlfing, Melvin B. Welch 1982-05-25
4326988 Catalyst, method of producing the catalyst, and polymerization process employing the catalyst Melvin B. Welch, Charles E. Capshew 1982-04-27
4325837 Catalyst, method of producing the catalyst, and polymerization process employing the catalyst Charles E. Capshew, James N. Short, M. Bruce Welch 1982-04-20
4316818 Polymerization catalyst and process Melvin B. Welch 1982-02-23
4312968 Polymerization of olefins — 1982-01-26
4243552 Polymerization catalyst and process Melvin B. Welch 1981-01-06
4240929 Polymerization of olefins Oscar D. Nowlin 1980-12-23
4238354 Polymerization of olefins — 1980-12-09
4235746 Polymerization of olefins — 1980-11-25
4194075 Magnesium reducing agent-hydrocarbylaluminum halide cocatalyst for titanium tetrahalide Charles M. Selman 1980-03-18
4194076 Washing magnesium reducing agent prepared in absence of complexing diluent Oscar D. Nowlin 1980-03-18
4186260 Olefin polymerization process — 1980-01-29