Assignee
RUETGERSWERKE AG
152 granted patents·2,002 citations·filing 1972–1995
Top patents by PatentIndex Score
152 records- 0197US4918116AHigh temperature resistant molding materialsRUETGERSWERKE AG·Filed 1989·Granted Apr 17, 1990·160 cites·9 claims
- 0293US5032629AEpoxy hardening agentsRUETGERSWERKE AG·Filed 1990·Granted Jul 16, 1991·77 cites·17 claims
- 0393US4373038AAsbestos-free friction materialRUETGERSWERKE AG·Filed 1981·Granted Feb 8, 1983·77 cites·9 claims
- 0491US4678715AProcess for improving wood and use of the improved woodRUETGERSWERKE AG·Filed 1986·Granted Jul 7, 1987·45 cites·17 claims
- 0588US4659846APreparation of 2,5-diloweralkyl-1.4:3,6-dianhydrosorbitolsRUETGERSWERKE AG·Filed 1986·Granted Apr 21, 1987·25 cites·7 claims
- 0686US4795847APreparation of 2,6-dialkyl-naphthalenesRUETGERSWERKE AG·Filed 1988·Granted Jan 3, 1989·28 cites·8 claims
- 0785US4587291AMulticomponent aqueous resole binder with extended processability timeRUETGERSWERKE AG·Filed 1985·Granted May 6, 1986·46 cites·14 claims
- 0884US5262043ACoal tar pitch and the preparation and use thereofRUETGERSWERKE AG·Filed 1992·Granted Nov 16, 1993·48 cites·10 claims
- 0984US4259171AProcess for the separation of quinoline-insoluble components from coal tar pitchRUETGERSWERKE AG·Filed 1979·Granted Mar 31, 1981·28 cites·6 claims
- 1083US4942217ANovel heat-hardenable binders phenol-formaldehyde+HMT+acidRUETGERSWERKE AG·Filed 1988·Granted Jul 17, 1990·31 cites·21 claims
- 1182US5153333AProduction of cyclic carbonatesRUETGERSWERKE AG·Filed 1991·Granted Oct 6, 1992·25 cites·7 claims
- 1280US4567272APyrrole containing 2-aminonitropyridine derivativesRUETGERSWERKE AG·Filed 1984·Granted Jan 28, 1986·43 cites·4 claims
- 1379US5439863ANeutral metal complex saltsRUETGERSWERKE AG·Filed 1993·Granted Aug 8, 1995·24 cites·14 claims
- 1479US5395913APolymerizable epoxide mixtures and process using Lewis base complexesRUETGERSWERKE AG·Filed 1994·Granted Mar 7, 1995·39 cites·10 claims
- 1579US4632991AProcess for production of zinc 2-mercaptopyridine-n-oxideRUETGERSWERKE AG·Filed 1985·Granted Dec 30, 1986·15 cites·7 claims
- 1677US5304237AChromium-free wood preservativesRUETGERSWERKE AG·Filed 1993·Granted Apr 19, 1994·42 cites·10 claims
- 1776US5071951AEpoxy hardening agentsRUETGERSWERKE AG·Filed 1990·Granted Dec 10, 1991·33 cites·12 claims
- 1875US5525698APolymerizable epoxide mixtures and processRUETGERSWERKE AG·Filed 1994·Granted Jun 11, 1996·33 cites·19 claims
- 1975US4970201APreservatives for cellulose containing productsRUETGERSWERKE AG·Filed 1989·Granted Nov 13, 1990·24 cites·7 claims
- 2075US4659830AProcess for the production of zinc 2-mercaptopyridine N-oxideRUETGERSWERKE AG·Filed 1986·Granted Apr 21, 1987·11 cites·1 claims
- 2174US5300593ALignin modified binding agentsRUETGERSWERKE AG·Filed 1993·Granted Apr 5, 1994·18 cites·8 claims
- 2274US4384054AAsbestos-free friction materialRUETGERSWERKE AG·Filed 1981·Granted May 17, 1983·21 cites·8 claims
- 2373US4430175AProcess for the electrochemical conversion of coal and use of the reaction productsRUETGERSWERKE AG·Filed 1982·Granted Feb 7, 1984·20 cites·10 claims
- 2472US4918059ALow molecular weight alkali metal huminates, method for their preparation and applications thereofRUETGERSWERKE AG·Filed 1988·Granted Apr 17, 1990·18 cites·7 claims
- 2572US4098838AProcess for obtaining sulfur free pure naphthalene from bituminous coal tar and thionaphthene as a by-productRUETGERSWERKE AG·Filed 1976·Granted Jul 4, 1978·11 cites·5 claims
- 2671US4377699A5-Chloro-indole preparationRUETGERSWERKE AG·Filed 1981·Granted Mar 22, 1983·7 cites·10 claims
- 2769US4806228AProcess for producing pitch raw materialsRUETGERSWERKE AG·Filed 1987·Granted Feb 21, 1989·17 cites·20 claims
- 2869US4595575AProcess for the continuous purification of waste gases with activated carbonRUETGERSWERKE AG·Filed 1984·Granted Jun 17, 1986·27 cites·8 claims
- 2968US5458978AEpoxy resin systems containing glycidylated aromatic amines, phosphorus epoxies and metal saltsRUETGERSWERKE AG·Filed 1995·Granted Oct 17, 1995·32 cites·3 claims
- 3068US5254639ABinding agentsRUETGERSWERKE AG·Filed 1992·Granted Oct 19, 1993·21 cites·15 claims
- 3168US4801404ABoric acid compositionsRUETGERSWERKE AG·Filed 1987·Granted Jan 31, 1989·34 cites·8 claims
- 3267US4952563AWaterfree application form of low molecular weight alkali huminatesRUETGERSWERKE AG·Filed 1988·Granted Aug 28, 1990·14 cites·4 claims
- 3366US4569971AHardeners for epoxy resinsRUETGERSWERKE AG·Filed 1983·Granted Feb 11, 1986·19 cites·17 claims
- 3465US5304225ABinder mixtureRUETGERSWERKE AG·Filed 1991·Granted Apr 19, 1994·20 cites·19 claims
- 3565US4546190AMethod for producing 3,5,6-trichloro-1H-pyridine-2-onRUETGERSWERKE AG·Filed 1984·Granted Oct 8, 1985·5 cites·5 claims
- 3664US4833018AMagnetic, hot-melt adhering soundproofing sheetRUETGERSWERKE AG·Filed 1988·Granted May 23, 1989·36 cites·6 claims
- 3764US4756818AA method for the production of a carbon fiber precursorRUETGERSWERKE AG·Filed 1987·Granted Jul 12, 1988·16 cites·9 claims
- 3864US4100148AStorage-stable, very quickly hardenable, one-component sealant based on mercapto-terminated polymersRUETGERSWERKE AG·Filed 1976·Granted Jul 11, 1978·15 cites·9 claims
- 3963US4477380AOxidation process of reactive aromatics with reactivation of the catalyst using potassium permanganateRUETGERSWERKE AG·Filed 1982·Granted Oct 16, 1984·18 cites·6 claims
- 4062US5434225AAmine-unsaturated epoxidized polysulfide addition productsRUETGERSWERKE AG·Filed 1994·Granted Jul 18, 1995·13 cites·3 claims
- 4162US5260405ALignin modified binding agentsRUETGERSWERKE AG·Filed 1992·Granted Nov 9, 1993·27 cites·3 claims
- 4260US5532330AHeat-curable tannin-based binding agentsRUETGERSWERKE AG·Filed 1994·Granted Jul 2, 1996·12 cites·9 claims
- 4360US5382608ABinder mixtures containing reactive group containing lignin and novolaksRUETGERSWERKE AG·Filed 1994·Granted Jan 17, 1995·27 cites·5 claims
- 4460US4201835ABoiling water and weather resistant cellulose fiber reinforced board materialRUETGERSWERKE AG·Filed 1978·Granted May 6, 1980·12 cites·4 claims
- 4559US4902492ANovel spinning methodRUETGERSWERKE AG·Filed 1988·Granted Feb 20, 1990·12 cites·4 claims
- 4659US4634723AFurfuryl alcohol binders, methods for their production and useRUETGERSWERKE AG·Filed 1985·Granted Jan 6, 1987·14 cites·2 claims
- 4758US4471106APhenol-modified hydrocarbon resins with a high OH-number, method for the preparation thereofRUETGERSWERKE AG·Filed 1983·Granted Sep 11, 1984·14 cites·13 claims
- 4858US4425389AHeat-applicable and hardenable sealing compositions and its useRUETGERSWERKE AG·Filed 1982·Granted Jan 10, 1984·16 cites·7 claims
- 4957US5169990APreparation of 9,9-bis-(4-hydroxyphenyl)-fluoreneRUETGERSWERKE AG·Filed 1992·Granted Dec 8, 1992·6 cites·5 claims
- 5057US5149886APreparation of 9,9-bis-(4-hydroxyphenyl)-fluoreneRUETGERSWERKE AG·Filed 1992·Granted Sep 22, 1992·6 cites·9 claims
Showing the top 50 of 152 patent records by PatentIndex Score.
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