Inventor

Michael Roth

Inventor

Lautertal, DE

Overview

1976–2020

Patent span

Chemistry

Primary field (CPC C)

Patents· 66 as inventor

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

C08Kprimary

C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients21%

C08LCompositions of macromolecular compounds13%

C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds10%

C04BLime, magnesia7%

C07DHeterocyclic compounds7%

Y10TTechnical subjects covered by former us classification5%

C08JWorking-up4%

C09KMaterials for miscellaneous applications, not provided for elsewhere4%

C07CAcyclic or carbocyclic compounds3%

C09DCoating compositions, e.g. paints, varnishes or lacquers3%

PatentTitleYear

10,808,119Flame-retardant polyesters2020 10,563,044Fire-retardant polyesters2020 10,483,513Asymmetrical separator2019 10,344,144Stress-crack-resistant, halogen-free, flame-protected polyester2019 10,316,166Flame-retardant polyamides with pale color2019 9,828,503Glow wire resistant polyamides2017 9,732,168'Method of preparing ethylene polymers by controlled high pressure polymerization'2017 9,694,892'System and method for trimming trimmable marine devices with respect to a marine vessel'2017 9,388,341'Pale-colored flame-retardant polyamides'2016 9,249,299'CuO/ZnO mixtures as stabilizers for flame-retardant polyamides'2016 9,172,074'Nonwoven material with particle filler'2015 9,159,979'Nonwoven fabric having cross-linking material'2015 8,999,602'Separators for electrochemical cells comprising polymer particles'2015 8,987,357'Thermoplastic molding composition'2015 8,962,717'Long-fiber-reinforced flame-retardant polyesters'2015 8,883,904'Mixtures of silver and zinc oxide as stabilizer for flame-retardant polyamides'2014 8,629,206'Flame-retardant thermoplastic molding composition'2014 8,618,224'Viscosity breaking process for olefin polymers'2013 8,575,295'Glow-wire resistant polyamides'2013 8,524,812'Stabilizers'2013 8,461,272'Azo compounds for polypropylene degradation'2013 8,450,407'Heat aging-resistant polyamides with flame retardancy'2013 8,349,923'Flame retardant compositions comprising sterically hindered amines'2013 8,247,479'Symmetric azo compounds in flame retardant compositions'2012 8,236,881'DOPO flame retardant compositions'2012 8,168,725'Degradation of polypropylene with hydroxylamine ester compositions'2012 8,101,678'DOPO flame retardant compositions'2012 8,022,122'Derivatives of pyrimidines as flame retardants'2011 7,956,109'Degradation of polypropylene with hydroxylamine ester compositions'2011 7,632,891'Grafting of nitroxyl terminated oligomers or polymers onto thermoplastic polymers'2009 7,579,411'Process for the controlled increase in the molecular weight of polyethylenes'2009 7,528,194'Comb copolymers with defined side chains and process for their manufacture'2009 7,358,311'Crosslinking of unsaturated polymers by the use of hydroxylamine-esters'2008 7,358,365'Process for the controlled increase in the molecular weight of polyethylenes'2008 7,230,042'Flame retardant polymer compositions containing hydroxylamine esters'2007 7,030,196'Process for reducing the molecular weight of polypropylene'2006 6,949,594'Molecular weight modification of thermoplastic polymers'2005 6,900,268'Method of grafting ethylenically unsaturated carboxylic acid derivatives onto thermoplastic using hydroxylamine esters'2005 6,864,313'Use of 2,2,6,6 tetraalkylpiperidine-N-oxyl radicals having long alkyl chains as polymerization regulators'2005 6,767,949'Composition and method for color improvement of nitroxyl containing polymers'2004 6,653,500'Method for the manufacture of Anagrelide'2003 6,620,942'Synthesis of histamine dihydrochloride'2003 6,583,245'Polymeric stabilizers having low polydispersity'2003 6,569,940'Use of 2,2,6,6 tetraalkylpiperidine-N-oxyl radicals having long alkyl chains as polymerization regulators'2003 6,566,468'Nitroxyl derivatives with glycidyl or alkylcarbonyl groups as initiators for radical polymerization'2003 6,528,654'Synthesis of histamine dihydrochloride'2003 6,525,151'Grafting of ethylenically unsaturated monomers onto polymers'2003 6,521,710'Grafting of ethylenically unsaturated monomers onto polymers'2003 6,403,806'Synthesis of histamine dihydrochloride'2002 6,388,073'Method for the manufacture of anagrelide'2002 5,418,006'Coating of substrate surfaces'1995 5,274,154'Stabilization of organosiloxanes containing SiOC-bonded radicals'1993 5,250,106'Process for water-repellent impregnation of masonry'1993 D0313606'Ultraviolet bulb'1991 4,835,014'Method for imparting water repellency to absorbent inorganic building materials'1989 4,704,416'Aqueous redispersible powders which contain a water-soluble polymer and at least one organic silicon compound and a process for preparing the same'1987 4,394,335'Process for preparing structural components'1983 4,209,432'Process for rendering building materials hydrophobic'1980 4,129,447'Process for the preparation of hydrophobic agents'1978 4,125,673'Process and composition for rendering surfaces hydrophobic and oleophobic'1978 4,076,868'Rendering building materials hydrophobic'1978 4,063,958'Hydrophobic compositions'1977 3,955,988'Binder composition for inorganic compounds'1976 3,955,985'Stable water repellent compositions'1976 3,956,570'Method for imparting water-repellency to construction materials'1976 3,941,864'Method for manufacturing molded structures and coatings based on inorganic binding agents'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1995Patents assigned to WACKER CHEMIE GMBH (15)· patent assignee history

1976–1995Based in Burghausen, DE· patent location history

2002–2003Based in Ontario, CA· patent location history

2002–2003Based in Bolton, CA· patent location history

2003–2009Patents assigned to CIBA SC HOLDING AG (16)· patent assignee history

2003–2020Based in Lautertal, DE· patent location history

2011–2020Patents assigned to BASF SE (25)· patent assignee history

2012–2019Patents assigned to ROTH MICHAEL (15)· patent assignee history

2015–2019Patents assigned to FREUDENBERG CARL KG (4)· patent assignee history

2015–2019Based in Mainz, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
BASF SE	25	2011–2020
CIBA SC HOLDING AG	16	2003–2009
ROTH MICHAELself	15	2012–2019
WACKER CHEMIE GMBH	15	1976–1995
FREUDENBERG CARL KG	4	2015–2019

Locations

Location	Patents	Span
Lautertal, DE	40	2003–2020
Burghausen, DE	15	1976–1995
Mainz, DE	4	2015–2019
Ontario, CA	3	2002–2003
Bolton, CA	2	2002–2003