Inventor
Richard Sommer
Inventor
Leverkusen, DE
Overview
Patents· 28 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C09Bprimary
C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments48%
C07DHeterocyclic compounds11%
D06PDyeing or printing textiles9%
C23CCoating metallic material4%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry2%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients2%
C09DCoating compositions, e.g. paints, varnishes or lacquers2%
C21DModifying the physical structure of ferrous metals2%
D21HPulp compositions2%
PatentTitleYear
6,350,307'Metal complex pigments'20026,281,338'Mono- and dipotassium salts of azo compounds'20016,261,358'Pigment preparations'20015,502,173'Process for the preparation of a substituted 2-amino-1-sulphonaphthalene'19965,420,255'Process for the continuous reaction of halogenopyrimidines with amines'19955,332,813'Process for the continuous reaction of difluorotriazinyl compounds with amines'19944,895,736'Method for alloying of coatings'19904,807,559'Apparatus for alloying of coatings'19894,754,114'Induction heater'19884,749,419'Method for heat treating rail'19884,428,236'Method of acoustic emission testing of steel vessels or pipelines, especially for nuclear reactor installations'19844,369,324'Process for the preparation of 2-amino-6-nitrobenzothiazole'19834,243,584'Monoazo dyestuffs containing diazo component substituted by disulfimide and trifluoromethyl groups'19814,159,265'Phenylazopyrazolo dyestuffs including disulfimide substituent'19794,119,623'Water-soluble diphenylamine-azo-sulfatoalkoxyphenyl dyestuffs'19784,060,521'Benzene-azo-indole dyestuffs'19774,055,557'Sulfonamidobenzene-azo-aminopyrazole dyestuffs'19774,026,931'Process for dyeing polyurethane plastics'19774,024,126'Aryl- or alkyl-sulphonyl aminosulphonylphenyl-azo-arylene-azo-phenyl dyestuffs'19774,022,763'Sulfaphenyl-azo-phenyl-azo-aminophenyl dyestuffs'19774,008,216'B enzenesulphonylbenzenesulphonamideazophenyl-or-naphthyl-azolhydroxylowera lkoxyphenyl dyestuffs'19774,000,123'Aminosulfonylphenyl-azo-indolyl dyestuffs'19763,994,873'Azo dyestuffs containing sulfonylamino-sulfonyl groups'19763,992,143'Exhaust process for the dyeing of synthetic fiber materials'19763,978,039'Disulphimidophenyl-azo-naphthyl-azo-aminophenyl dyestuffs'19763,971,770'Disulfimide disazo dyestuffs'19763,956,267'Indole-containing disazo dyestuffs having a sulfatoalkyleneoxy-substituent'19763,945,992'Arylsulphonylaminosulphonylphenyl-azo-arylene-azo-phenyl dyestuff'1976Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1976–2002Patents assigned to BAYER AG (23)· patent assignee history
1976–1981Based in Leverkusen, DE· patent location history
1983Based in Summerville, SC, US· patent location history
1984Based in Bamberg, DE· patent location history
1988–1990Patents assigned to AJAX MAGNETHERMIC CORP (3)· patent assignee history
1988Patents assigned to FABER MICHAEL R (1)· patent assignee history
1988Patents assigned to JENNINGS REUEL E (1)· patent assignee history
1988–1990Based in Warren, OH, US· patent location history
1989–1990Patents assigned to NAT STEEL CORP (2)· patent assignee history
1994–2002Based in Odenthal, DE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BAYER AG | 23 | 1976–2002 |
| AJAX MAGNETHERMIC CORP | 3 | 1988–1990 |
| NAT STEEL CORP | 2 | 1989–1990 |
| FABER MICHAEL R | 1 | 1988 |
| JENNINGS REUEL E | 1 | 1988 |
Locations
| Location | Patents | Span |
|---|---|---|
| Leverkusen, DE | 16 | 1976–1981 |
| Odenthal, DE | 6 | 1994–2002 |
| Warren, OH, US | 4 | 1988–1990 |
| Bamberg, DE | 1 | 1984 |
| Summerville, SC, US | 1 | 1983 |