Inventor

Rainer Hagen

Inventor

Leverkusen, DE

Overview

49→

Patents

1983–2019

Patent span

Chemistry

Primary field (CPC C)

Patents· 49 as inventor

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

C07Dprimary

C07DHeterocyclic compounds10%

C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds10%

G11BInformation storage based on relative movement between record carrier and transducer8%

Y10TTechnical subjects covered by former us classification7%

B01DSeparation6%

G02BOptical elements, systems or apparatus6%

C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium5%

C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments5%

C09KMaterials for miscellaneous applications, not provided for elsewhere5%

G03HHolographic processes or apparatus4%

PatentTitleYear

10,477,197Autostereoscopic 3D display device using holographic optical elements2019 10,444,420Indirect lighting arrangement, and method for producing an indirect lighting arrangement2019 10,414,917Process and apparatus for preparation of a crystallizable polylactic acid mixture, and polylactic acid mixture2019 10,322,358Device and method for separating a cyclic diester from polymer melts2019 10,254,465Illumination device for a liquid crystal display2019 10,073,416Method for producing a holographic optical element2018 10,001,703Photopolymer formulation for production of holographic media comprising borates with low TG2018 9,921,473'Aromatic glycol ethers as writing monomers in holographic photopolymer formulations'2018 9,910,208'Thin film type controlled viewing window back light unit and thin flat type controlled viewing window display using the same'2018 9,804,490'Holographic media with improved light sensitivity'2017 9,541,900'Method for producing a beam shaping holographic optical element'2017 9,523,808'Thin film type back light unit for flat panel display'2016 9,416,222'Quality test for polymerizable lactic acid and method for producing same'2016 8,957,229'Method for the production of a mixture of lactide derivatives'2015 8,940,910'Cleaning device for separating dilactide from mixtures, polymerisation device, method for separating dilactide from mixtures and use thereof'2015 8,702,852'Condensation and washing device, polymerisation device and method for cleaning process steam during the production of polylactide'2014 8,569,517'Cleaning device for separating dilactide from mixtures, polymerisation device, method for separating dilactide from mixtures and use thereof'2013 8,430,948'Condensation and washing device, polymerisation device and method for cleaning process steam during the production of polylactide'2013 8,399,602'Polymerisation reactor, polymerisation device, method for producing bio-degradeable polyester and uses'2013 8,362,282'Method for storing and transporting cyclic diesters'2013 7,259,227'Method for continuous production of high-molecular weight polyesters and device for implementation of the method'2007 7,214,451'Rewriteable optical recording material having good solubility'2007 7,115,701'Method for the continuous production of high-molecular polyester and device for carrying out the method'2006 7,046,893'Layer structure and optical waveguide sensor based on photoaddressable polymers'2006 7,041,354'Optical data carrier comprising a cyanine dye as light-absorbent compound in the information layer'2006 7,022,460'Erasable optical recording material for blue lasers'2006 7,018,684'Block copolymers for optical data storage'2006 6,936,325'Optical recording medium'2005 6,896,945'Optical data carrier comprising a phthalocyanine dye as light-absorbent compound in the information layer'2005 6,875,839'Method for producing polylactic acid and corresponding device'2005 6,835,725'Optical data carrier comprising a cyanine dye as light-absorbent compound in the information layer'2004 6,737,142'Optical data store comprising an axially substituted cobalt phthalocyanine in the light-writeable information layer'2004 6,726,972'Optical data storage medium containing a diaza hemicyanine dye as the light-absorbing compound in the information layer'2004 6,713,146'Optical data stores containing a Co-phthalocyanine complex in the information layer recordable using light'2004 6,641,889'Optical data storage medium containing a triazacyanine dye as the light-absorbing compound in the information layer'2003 6,559,271'Method for producing polyesters with a reduced content of free acetaldehyde'2003 6,274,696'Continuous process for the production of segmented elastomer polyester copolymer'2001 6,162,837'Method and device for the recovery of linear polyester'2000 6,013,756'Process for producing polyesters using titanium-containing catalyst-inhibitor combinations'2000 5,773,555'Method and apparatus for the production of polyamides'1998 4,828,702'Process for separating a solid substance from a liquid mixture of substances'1989 4,812,233'Apparatus for separating a solid substance from a liquid mixture of substances'1989 4,652,686'Process for producing hydrocarbons from biological sludge'1987 4,642,401'Process for the production of liquid hydrocarbons'1987 4,581,166'Method for isolating and purifying antibiotics'1986 4,560,513'Process for the recovery of lecithin'1985 4,492,808'Method for separating ethanol from an ethanol containing solution'1985 4,485,003'Supercritical extraction and simultaneous catalytic hydrogenation of coal'1984 4,400,398'Method for obtaining aromatics and dyestuffs from bell peppers'1983

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1983–1989Patents assigned to KRUPP GMBH (9)· patent assignee history

1983–1987Based in Essen, DE· patent location history

1987–2019Based in Berlin, DE· patent location history

2003–2007Patents assigned to BAYER AG (11)· patent assignee history

2003–2019Based in Leverkusen, DE· patent location history

2007–2019Patents assigned to UHDE INVENTA FISCHER GMBH (10)· patent assignee history

2013–2016Patents assigned to HAGEN RAINER (6)· patent assignee history

2016–2019Patents assigned to COVESTRO DEUTSCHLAND AG (8)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
BAYER AG	11	2003–2007
UHDE INVENTA FISCHER GMBH	10	2007–2019
KRUPP GMBH	9	1983–1989
COVESTRO DEUTSCHLAND AG	8	2016–2019
HAGEN RAINERself	6	2013–2016

Locations

Location	Patents	Span
Leverkusen, DE	22	2003–2019
Berlin, DE	21	1987–2019
Essen, DE	6	1983–1987