Inventor

ZIEMER JAMES N

US28 patents

⚠️ This page may combine multiple inventors who share the name “ZIEMER JAMES N”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

ZIEMER JAMES N

CHEVRON USA INC

Method of operating a wormgear drive at high energy efficiency

Hydroconversion sulfur-containing lube feedstock using a sulfur resistant catalyst

Hydrocarbon conversion process using zeolite SSZ-32 having constraint index of 13 or greater

Base stock lube oil manufacturing process

Sulfur resistant hydroconversion catalyst and hydroprocess of sulfur-containing lube feedstock

Base stock lube oil manufacturing process

Low-Aluminum boron beta zeolite

Process for producing a high quality lubricating oil using a VI selective catalyst

Finished lubricating comprising lubricating base oil with high monocycloparaffins and low multicycloparaffins

Polyalphaolefin and fischer-tropsch derived lubricant base oil lubricant blends

Isomerization process using zeolite SSZ-25

Alkylation process using zeolite SSZ-25

Dewaxing process using zeolite SSZ-25

Hydrocarbon conversion process using zeolite SSZ-25

Process for the production of para-xylene

CHEVRON RES

Zeolite SSZ-26

Process for hydrodehazing hydrocracked lube oil base stocks

Process for hydrodewaxing hydrocracked lube oil base stocks

Low-aluminum boron beta zeolite

CHEVRON RES & TECH

Hydrocarbon conversion process using zeolite SSZ-32 as catalyst

Zeolite SSZ-25

Process for the stabilization of lubricating oil base stocks

CHEN CONG-YAN

Multi-stage reforming process to produce high octane gasoline

Multi-stage reforming process to produce high octane gasoline

TIMKEN HYE-KYUNG

Electrochemical removal of conjunct polymers from chloroaluminate ionic liquids

ZONES STACEY I

Method for preparing small crystal SSZ-32

KRISHNA KAMALA R

Process and catalyst system for improving dewaxing catalyst stability and lubricant oil yield

ZIEMER JAMES N

Method for preparing molecular sieves