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Inventor

KRAMER KEITH S

US20 patents
⚠️ This page may combine multiple inventors who share the name “KRAMER KEITH S”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

OCCIDENTAL CHEM CO

16 patents
US12180133B2Dec 31, 2024

Photochlorination of partially-chlorinated chloromethanes to carbon tetrachloride

OCCIDENTAL CHEM CO0 citations60
US11780792B2Oct 10, 2023

Photochlorination of partially-chlorinated chloromethanes to carbon tetrachloride

OCCIDENTAL CHEM CO0 citations60
US12054444B2Aug 6, 2024

Photochlorination of chloroform to carbon tetrachloride

OCCIDENTAL CHEM CO0 citations59
US11584703B2Feb 21, 2023

Photochlorination of chloroform to carbon tetrachloride

OCCIDENTAL CHEM CO0 citations59
US11565988B2Jan 31, 2023

Method for making 1,1,3,3-tetrachloropropene

OCCIDENTAL CHEM CO0 citations59
US11104627B2Aug 31, 2021

Method for making 1,1,3,3-tetrachloropropene

OCCIDENTAL CHEM CO0 citations59
US12435019B2Oct 7, 2025

Process for the production of chlorinated hydrocarbons

OCCIDENTAL CHEM CO0 citations58
US11945761B2Apr 2, 2024

Process for the production of chlorinated hydrocarbons

OCCIDENTAL CHEM CO0 citations58
US9067858B2Jun 30, 2015

Methods for recovering 1,1,1,2,3-pentachloropropane

OCCIDENTAL CHEM CO2 citations58
US10787405B2Sep 29, 2020

Photochlorination of chloroform to carbon tetrachloride

OCCIDENTAL CHEM CO0 citations49
US10787404B2Sep 29, 2020

Methods for producing halogenated propanes

OCCIDENTAL CHEM CO0 citations49
US10562832B2Feb 18, 2020

Method for making 1,1,3,3-tetrachloropropene

OCCIDENTAL CHEM CO0 citations48
US10207970B2Feb 19, 2019

Methods for recovering chlorinated hydrocarbons

OCCIDENTAL CHEM CO0 citations48
US9969664B2May 15, 2018

Method for making 1,1,3,3-tetrachloropropene

OCCIDENTAL CHEM CO0 citations48
US9598337B2Mar 21, 2017

Methods for recovering chlorinated hydrocarbons

OCCIDENTAL CHEM CO0 citations48
US9586877B2Mar 7, 2017

Methods for recovering chlorinated hydrocarbons

OCCIDENTAL CHEM CO0 citations48

OXY VINYLS LP

3 patents

KRAMER KEITH S

1 patent