loadpatents
name:-0.067380905151367
name:-0.043381929397583
name:-0.038079977035522
Stevens; Kevin A. Patent Filings

Stevens; Kevin A.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Stevens; Kevin A..The latest application filed is for "slurry trim feeder modifications".

Company Profile
18.9.20
  • Stevens; Kevin A. - Houston TX
*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.
Patent Activity
PatentDate
Slurry Trim Feeder Modifications
App 20220056168 - Olson; Joshua P. ;   et al.
2022-02-24
Supported Catalyst Systems and Processes for Use Thereof
App 20220048016 - Holtcamp; Matthew W. ;   et al.
2022-02-17
On-Line Adjustment of Catalysts by Trim and Olefin Polymerization
App 20220033537 - Stevens; Kevin A. ;   et al.
2022-02-03
On-Line Adjustment of Mixed Catalyst Ratio and Olefin Polymerization
App 20220033535 - Stevens; Kevin A. ;   et al.
2022-02-03
On-Line Adjustment of Mixed Catalyst Ratio By Trim and Olefin Polymerization with the Same
App 20220033536 - Stevens; Kevin A. ;   et al.
2022-02-03
In-line Trimming Of Dry Catalyst Feed
App 20210395404 - Sanders; David F. ;   et al.
2021-12-23
Catalyst systems including two hafnocene catalyst compounds
Grant 11,198,747 - Holtcamp , et al. December 14, 2
2021-12-14
Metallocene compounds having appended Lewis acids and polymerization therewith
Grant 11,186,601 - Holtcamp , et al. November 30, 2
2021-11-30
Polyethylene compositions and articles made therefrom
Grant 11,130,827 - Li , et al. September 28, 2
2021-09-28
Films made from polyethylene compositions and processes for making same
Grant 11,046,796 - Li , et al. June 29, 2
2021-06-29
Bridged Metallocene Catalysts with a Pendant Group 13 Element, Catalyst Systems Containing Same, Processes for Making a Polymer Product Using Same, and Products Made from Same
App 20210079137 - Holtcamp; Matthew W. ;   et al.
2021-03-18
Mixed Catalyst Systems Containing Bridged Metallocenes with a Pendant Group 13 Element, Processes for Making a Polymer Product Using Same, and Products Made from Same
App 20210054111 - Holtcamp; Matthew W. ;   et al.
2021-02-25
Catalyst systems and polymerization processes for using the same
Grant 10,926,250 - Holtcamp , et al. February 23, 2
2021-02-23
Polymerization processes and polymers made therefrom
Grant 10,927,205 - Stevens , et al. February 23, 2
2021-02-23
Catalyst Systems and Polymerization Processes for Using the Same
App 20210023540 - Holtcamp; Matthew W. ;   et al.
2021-01-28
Polymerization processes and polymers made therefrom
Grant 10,899,860 - Silva , et al. January 26, 2
2021-01-26
Mixed catalyst systems containing bridged metallocenes with a pendant group 13 element, processes for making a polymer product using same, and products made from same
Grant 10,865,258 - Holtcamp , et al. December 15, 2
2020-12-15
Bridged metallocene catalysts with a pendant group 13 element, catalyst systems containing same, processes for making a polymer product using same, and products made from same
Grant 10,851,187 - Holtcamp , et al. December 1, 2
2020-12-01
Films Made from Polyethylene Compositions and Processes for Making Same
App 20200165366 - Li; Dongming ;   et al.
2020-05-28
Metallocene Compounds Having Appended Lewis Acids and Polymerization Therewith
App 20200071349 - Holtcamp; Matthew W. ;   et al.
2020-03-05
Polymerization Processes and Polymers Made Therefrom
App 20200071437 - Stevens; Kevin A. ;   et al.
2020-03-05
Polymerization Processes and Polymers Made Therefrom
App 20200071436 - Silva; Adriana S. ;   et al.
2020-03-05
Methods to Produce Heterogeneous Polyethylene Granules
App 20190389988 - Ye; Xuan ;   et al.
2019-12-26
Catalyst Systems Including Two Hafnocene Catalyst Compounds
App 20190367649 - Holtcamp; Matthew W. ;   et al.
2019-12-05
Mixed Catalyst Systems Containing Bridged Metallocenes with a Pendant Group 13 Element, Processes for Making a Polymer Product U
App 20190284312 - Holtcamp; Matthew W. ;   et al.
2019-09-19
Polyethylene Compositions and Articles Made Therefrom
App 20190263953 - Li; Dongming ;   et al.
2019-08-29
Bridged Metallocene Catalysts with a Pendant Group 13 Element, Catalyst Systems Containing Same, Processes for Making a Polymer
App 20190233552 - Holtcamp; Matthew W. ;   et al.
2019-08-01
Catalyst Systems and Polymerization Processes for Using the Same
App 20190168203 - Holtcamp; Matthew W. ;   et al.
2019-06-06

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