Inventor · disambiguated record
Hans-Josef Buysch
Also filed as: BUYSCH HANS-JOSEF
196 granted patents·3,448 citations·filing 1974–2000
99Inventor score
Top patents by PatentIndex Score
196 records- 0198US5877350AProcess for the production of aromatic aminesBAYER AG·Filed 1995·Granted Mar 2, 1999·208 cites·31 claims
- 0298US4501905ACyclic carbonic acid derivativesBAYER AG·Filed 1983·Granted Feb 26, 1985·54 cites·2 claims
- 0398US4181676AProcess for the preparation of dialkyl carbonatesBAYER AG·Filed 1978·Granted Jan 1, 1980·74 cites·9 claims
- 0497US5231212AProcess for the continuous preparation of dialkyl carbonatesBAYER AG·Filed 1992·Granted Jul 27, 1993·93 cites·13 claims
- 0596US6548445B1Supported catalysts containing a platinum metal and process for preparing diaryl carbonatesBAYER AG·Filed 1996·Granted Apr 15, 2003·87 cites·20 claims
- 0696US5344954AProcess for the preparation of diaryl carbonatesBAYER AG·Filed 1993·Granted Sep 6, 1994·76 cites·20 claims
- 0796US4434105AProcess for the preparation of dialkyl carbonatesBAYER AG·Filed 1980·Granted Feb 28, 1984·52 cites·9 claims
- 0896US4105641AProcess for the preparation of aliphatic polycarbonates and polyurethanes therefromBAYER AG·Filed 1977·Granted Aug 8, 1978·88 cites·14 claims
- 0995US5334742AProcess for the continuous preparation of diaryl carbonates from dialkyl carbonatesBAYER AG·Filed 1993·Granted Aug 2, 1994·61 cites·20 claims
- 1095US4440937ACyclic carbonic acid derivativesBAYER AG·Filed 1982·Granted Apr 3, 1984·61 cites·2 claims
- 1195US4252737AProcess for the production of aromatic carbonic acid estersBAYER AG·Filed 1980·Granted Feb 24, 1981·44 cites·4 claims
- 1294US5023346AProcess for the production of cyclic carbonic acid estersBAYER AG·Filed 1989·Granted Jun 11, 1991·51 cites·9 claims
- 1393US5856554AProcess for producing diaryl carbonatesBAYER AG·Filed 1997·Granted Jan 5, 1999·58 cites·8 claims
- 1493US5821377AProcess for the continuous production of diaryl carbonatesBAYER AG·Filed 1997·Granted Oct 13, 1998·54 cites·9 claims
- 1593US5502232AProcess for preparing diaryl carbonatesBAYER AG·Filed 1994·Granted Mar 26, 1996·58 cites·20 claims
- 1693US5218135AProcess for the preparation of dialkyl carbonatesBAYER AG·Filed 1992·Granted Jun 8, 1993·57 cites·10 claims
- 1793US4307032AProcess for the preparation of dialkyl carbonatesBAYER AG·Filed 1980·Granted Dec 22, 1981·38 cites·7 claims
- 1893US4252750ACyclic phosphorous acid estersBAYER AG·Filed 1979·Granted Feb 24, 1981·27 cites·2 claims
- 1992US5359118AProcess for the continuous preparation of dialkyl carbonatesBAYER AG·Filed 1993·Granted Oct 25, 1994·104 cites·17 claims
- 2092US4883835AFlame resistant antistatic polycarbonate moulding compoundsBAYER AG·Filed 1988·Granted Nov 28, 1989·49 cites·10 claims
- 2191US5354923AProcess for the preparation of aromatic carbonic diestersBAYER AG·Filed 1991·Granted Oct 11, 1994·43 cites·10 claims
- 2291US5302774AProcess for the production of bisphenolsBAYER AG·Filed 1993·Granted Apr 12, 1994·39 cites·1 claims
- 2389US6001768ASupported catalysts containing a platinum metal and process for preparing diaryl carbonatesBAYER AG·Filed 1996·Granted Dec 14, 1999·41 cites·20 claims
- 2489US5484903AProcess for the production of polysaccharide carbonatesWOLFF WALSRODE AG·Filed 1992·Granted Jan 16, 1996·50 cites·3 claims
- 2589US5068321ACarbonic acid esters of polysaccharides and a process for their productionWOLFF WALSRODE AG·Filed 1989·Granted Nov 26, 1991·48 cites·11 claims
- 2688US4012406AProcess for the preparation of diaryl carbonatesBAYER AG·Filed 1975·Granted Mar 15, 1977·20 cites·9 claims
- 2787US5728897AProcess for the preparation of benzyl alcoholBAYER AG·Filed 1996·Granted Mar 17, 1998·36 cites·1 claims
- 2886US5780690ABisphenol synthesis on modified ion-exchange resins using specially purified carbonyl compoundsBAYER AG·Filed 1997·Granted Jul 14, 1998·32 cites·5 claims
- 2986US5362901AProcess for the preparation of organic carbonates having at least one aromatic ester groupBAYER AG·Filed 1993·Granted Nov 8, 1994·27 cites·15 claims
- 3086US5266716AProcess for the splitting of polycarbonatesBAYER AG·Filed 1992·Granted Nov 30, 1993·26 cites·5 claims
- 3186US4565834AStabilizer-containing reactive components for pu-foams, new stabilizers and a process for producing these stabilizersBAYER AG·Filed 1984·Granted Jan 21, 1986·14 cites·6 claims
- 3285US5750801AProcess for the continuous preparation of benzyl alcoholBAYER AG·Filed 1996·Granted May 12, 1998·34 cites·1 claims
- 3385US5625091AProcess for the production of diaryl carbonatesBAYER AG·Filed 1996·Granted Apr 29, 1997·28 cites·6 claims
- 3485US5108835ACoextruded double walled sheet of linear polycarbonate resinBAYER AG·Filed 1991·Granted Apr 28, 1992·69 cites·6 claims
- 3585US4381404AProcess for the production of N,O-disubstituted urethanes and use thereof as starting materials for the production of organic isocyanatesBAYER AG·Filed 1981·Granted Apr 26, 1983·19 cites·6 claims
- 3684US6211417B1Process for preparing bis-(4-hydroxyaryl) alkanesBAYER AG·Filed 1998·Granted Apr 3, 2001·26 cites·3 claims
- 3784US5734004AProcess for the purification of carbonic acid diaryl esterBAYER AG·Filed 1997·Granted Mar 31, 1998·28 cites·8 claims
- 3884US5391767AProcess for the preparation of alkylene carbonatesBAYER AG·Filed 1992·Granted Feb 21, 1995·28 cites·19 claims
- 3984US4381359AStabilized thermoplastic moulding compositionsBAYER AG·Filed 1981·Granted Apr 26, 1983·35 cites·2 claims
- 4084US3979462ACondensation resins of phenols and α,α'-dihydroxy-diisopropyl benzenesBAYER AG·Filed 1975·Granted Sep 7, 1976·15 cites·5 claims
- 4183US5808157AProcess for producing aromatic aminesBAYER AG·Filed 1995·Granted Sep 15, 1998·26 cites·10 claims
- 4283US5498742AProcess for the continuous preparation of diaryl carbonatesBAYER AG·Filed 1995·Granted Mar 12, 1996·27 cites·20 claims
- 4383US4348495APhosphorous acid esters and their use for stabilizing polyamidesBAYER AG·Filed 1980·Granted Sep 7, 1982·14 cites·7 claims
- 4482US5508442AReactor and continuous process to be carried out therewith for the preparation of ethylene glycol carbonate and propylene glycol carbonateBAYER AG·Filed 1994·Granted Apr 16, 1996·23 cites·20 claims
- 4582US5391802AProcess for cleaving polycarbonates into bisphenols and diaryl carbonatesBAYER AG·Filed 1993·Granted Feb 21, 1995·19 cites·6 claims
- 4682US5233037AProduction of caprolactam by thermal depolymerization of polyamide 6BAYER AG·Filed 1992·Granted Aug 3, 1993·22 cites·5 claims
- 4782US5214100AUse of certain phenolic resins for reinforcing rubber vulcanizatesBAYER AG·Filed 1991·Granted May 25, 1993·36 cites·4 claims
- 4882US4656228APolyamides having high notched impact strength and high fluidity in the molten stateBAYER AG·Filed 1985·Granted Apr 7, 1987·33 cites·7 claims
- 4981US5523451AProcess for the continuous preparation of aryl carbonatesBAYER AG·Filed 1994·Granted Jun 4, 1996·21 cites·20 claims
- 5081US5137949APolydiorganosiloxane-polycarbonate block co-codensates with improved protection against UV lightBAYER AG·Filed 1990·Granted Aug 11, 1992·24 cites·2 claims
Showing the top 50 of 196 patent records by PatentIndex Score.
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