Inventor

Ulrich Wietelmann

Inventor

Friedrichsdorf, DE

Overview

2001–2021

Patent span

Chemistry

Primary field (CPC C)

Patents· 40 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

C07Fprimary

C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium19%

Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution17%

H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy15%

C07CAcyclic or carbocyclic compounds7%

C01BNon-metallic elements4%

C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds4%

H01GCapacitors4%

Y10TTechnical subjects covered by former us classification4%

B22FWorking metallic powder3%

C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds3%

PatentTitleYear

11,021,797Stabilized, pure lithium metal powder and method for producing the same2021 11,018,334Stabilized lithium metal impressions coated with alloy-forming elements and method for production thereof2021 9,847,552Method for producing low-acid lithium borate salts and mixtures of low-acid lithium borate salts and lithium hydride2017 9,534,001'Organomagnesium synthesis agent'2017 9,509,014'Galvanic cell having a lithium metal or an alloy comprising a lithium metal as anode material and an electrolyte having lithium . . . complex salt'2016 9,163,097'Low-viscosity, concentrated solutions of magnesium complexes for producing polymerization catalysts and method for producing the same'2015 9,166,227'Aluminum-based hydride anodes and galvanic elements containing aluminum-based hydride anodes'2015 9,093,718'Crystalline, completely soluble lithium bis(oxalato)borate (LiBOB)'2015 9,073,120'Surface-passivated lithium metal and method for the production thereof'2015 9,017,582'Process for preparing lithium sulfide'2015 8,956,991'Concentrated solutions of alkaline-earth metal oxides in aprotic solvents and method for the production thereof'2015 8,946,452'Crystalline, completely soluble lithium bis(oxalato)borate (LiBOB)'2015 8,945,778'Conducting salts for galvanic cells, the production thereof and their use'2015 8,846,879'Process for producing mixed metal rare earth metal halide solutions in organic solvents'2014 8,840,805'Solutions of lithium aluminum hydride'2014 8,318,987'Process for the preparation of lithium alcoholate solutions'2012 8,222,457'Coordination compounds of the boron group'2012 8,168,806'Boron chelate complexes'2012 8,148,286'Activated alkaline earth metal, in particular magnesium, for the preparation of organoalkaline earth metal compounds'2012 7,982,046'Method for the production of functionalized five-ring heterocycles, and use thereof'2011 7,807,723'Water-free metaloxide colloids and metal oxide polymers, method for the production thereof and use thereof'2010 7,799,723'Method for the production of magnesium alkoxide granules, and use thereof'2010 7,794,632'Process for the preparation of pure aryllithium compounds and their use'2010 7,759,509'Highly reactive zinc form, method for the production thereof, and use of the same'2010 7,744,784'Method for preparing diorganomagnesium-containing synthesis means'2010 7,737,232'Method for the production of water-free rare earth metal halogenides, synthesis mixtures containing water-free rare earth metal halogenides and use thereof'2010 7,709,663'Boron chelate complexes'2010 7,674,911'Method for the production of hydrogen-bis (chelato) borates and alkali metal-bis (chelato) borates'2010 7,666,310'Method of drying organic liquid electrolytes'2010 7,501,075'Synthesis agent containing methyllithium/lithium bromide, and process for the preparation thereof'2009 7,288,236'Process for the preparation of lithium borohydride'2007 7,226,704'Electrolytes for lithium ion batteries'2007 7,208,131'Method for the production of hydrogen-bis(chelato) borates and alkali metal-bis(chelato)borates'2007 6,984,367'Process for the preparation of lithium iodide solutions'2006 6,713,642'Method for producing alkali metal monohydridoborates and monohydridoaluminates'2004 6,693,212'Tris(oxalato)phosphates, method for their preparation and their use'2004 6,646,169'Concentrated, stable alkali alkoxide solutions'2003 6,544,446'Method of preparing magnesium alcoholates'2003 6,509,474'Method of lithiating five membered heterocycles'2003 6,294,705'Method for producing alkali metal alcoholates'2001

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2001–2017Patents assigned to CHEMETALL GMBH (37)· patent assignee history

2001–2021Based in Friedrichsdorf, DE· patent location history

2010Based in Friedrichsforf, DE· patent location history

2012–2017Patents assigned to WIETELMANN ULRICH (15)· patent assignee history

2012–2015Patents assigned to LISCHKA UWE (5)· patent assignee history

2012–2016Patents assigned to EMMEL UTE (4)· patent assignee history

2012–2017Patents assigned to DAWIDOWSKI DIRK (3)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
CHEMETALL GMBH	37	2001–2017
WIETELMANN ULRICHself	15	2012–2017
LISCHKA UWE	5	2012–2015
EMMEL UTE	4	2012–2016
DAWIDOWSKI DIRK	3	2012–2017

Locations

Location	Patents	Span
Friedrichsdorf, DE	39	2001–2021
Friedrichsforf, DE	1	2010