Inventor · disambiguated record
Wulf Schwerdtel
Also filed as: SCHWERDTEL WULF · SWODENK WOLFGANG · WALDMANN HELMUT
29 granted patents·287 citations·filing 1972–1985
97Inventor score
Top patents by PatentIndex Score
29 records- 0194US3970713AProcess for the production of allyl alcoholBAYER AG·Filed 1974·Granted Jul 20, 1976·44 cites·18 claims
- 0291US3972955AProcess for preparation of isopreneBAYER AG·Filed 1974·Granted Aug 3, 1976·28 cites·14 claims
- 0388US4113747AProcess for the preparation of propylene oxideBAYER AG·Filed 1976·Granted Sep 12, 1978·19 cites·32 claims
- 0486US4174460AProcess for the hydroxylation of phenols and phenol ethers in the nucleusBAYER AG·Filed 1977·Granted Nov 13, 1979·18 cites·15 claims
- 0581US3972944AProcess for preparing aldehydes from olefinsBAYER AG·Filed 1973·Granted Aug 3, 1976·13 cites·12 claims
- 0678US3932514ACatalyst for the preparation of cyclohexanone from phenol and process thereforBAYER AG·Filed 1973·Granted Jan 13, 1976·32 cites·9 claims
- 0776US4934519AProcess for working up crude liquid vinyl acetateBAYER AG·Filed 1985·Granted Jun 19, 1990·15 cites·7 claims
- 0876US4313879AProcess for the manufacture of very pure ε-caprolactoneDEGUSSA·Filed 1980·Granted Feb 2, 1982·10 cites·9 claims
- 0973US4137242AProcess for the preparation of propylene oxideBAYER AG·Filed 1976·Granted Jan 30, 1979·8 cites·32 claims
- 1071US4045496AProcess for the hydroxylation of phenols and phenol ethers in the nucleusBAYER AG·Filed 1975·Granted Aug 30, 1977·8 cites·20 claims
- 1169US4115462AGas phase aromatic hydrogenation using palladium lithium aluminum spinel catalystBAYER AG·Filed 1977·Granted Sep 19, 1978·8 cites·10 claims
- 1265US4244877AProcess for the preparation of hexahydrophthalic acid anhydrideBAYER AG·Filed 1979·Granted Jan 13, 1981·6 cites·12 claims
- 1365US4053523AProcess for the hydroxylation of phenolBAYER AG·Filed 1975·Granted Oct 11, 1977·11 cites·14 claims
- 1463US4059619AProcess for the preparation of percarboxylic acid solutionsDEGUSSA·Filed 1976·Granted Nov 22, 1977·6 cites·17 claims
- 1563US4036895AProcess for preparing 2-methylpropane-1,3-diolBAYER AG·Filed 1974·Granted Jul 19, 1977·6 cites·9 claims
- 1660US3933910AProcess for the production of ketazinesBAYER AG·Filed 1974·Granted Jan 20, 1976·6 cites·8 claims
- 1755US3974224AProcess for preparing aldehydes from oxirane compoundsBAYER AG·Filed 1973·Granted Aug 10, 1976·4 cites·8 claims
- 1854US4214105AProcess for the hydroxylation of phenolBAYER AG·Filed 1978·Granted Jul 22, 1980·7 cites·14 claims
- 1953US4182917AProcess for the preparation of polyhydric phenolsBAYER AG·Filed 1977·Granted Jan 8, 1980·3 cites·20 claims
- 2051US4182918AProcess for the preparation of polyhydric phenolsBAYER AG·Filed 1977·Granted Jan 8, 1980·3 cites·19 claims
- 2150US4013723AProcess for preparing aldehydesBAYER AG·Filed 1972·Granted Mar 22, 1977·3 cites·5 claims
- 2249US4001303AProduction of ω-formyl carboxylic acid estersBAYER AG·Filed 1973·Granted Jan 4, 1977·3 cites·11 claims
- 2345US4048242AProcess for the production of cyclopentene from dicyclopentadieneBAYER AG·Filed 1975·Granted Sep 13, 1977·9 cites·17 claims
- 2442US4548913ACatalyst, a process for its preparation and an isomerization process in the presence of this catalystBAYER AG·Filed 1983·Granted Oct 22, 1985·7 cites·2 claims
- 2540US4220597AProcess for the preparation of anthraquinoneBAYER AG·Filed 1979·Granted Sep 2, 1980·2 cites·8 claims
- 2640US4087455AProcess for the continuous preparation of percarboxylic acids in organic solutionsBAYER AG·Filed 1976·Granted May 2, 1978·6 cites·28 claims
- 2735US4293717AProcess for preparing aldehydes and diolsBAYER AG·Filed 1979·Granted Oct 6, 1981·1 cites·19 claims
- 2834US4033987AIsolating naphthoquinone and phthalic anhydride from naphthalene oxidation productBAYER AG·Filed 1976·Granted Jul 5, 1977·1 cites·15 claims
- 2930US4013709AProduction of ω-formyl carboxylic acid estersBAYER AG·Filed 1976·Granted Mar 22, 1977·0 cites·9 claims
Join the waitlist — get patent alerts
Get an alert when Wulf Schwerdtel files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →