Inventor
Herbert Exner
Inventor
Waldsee, DE
Overview
Patents· 11 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C07Cprimary
C07CAcyclic or carbocyclic compounds56%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry6%
C01BNon-metallic elements6%
C01GCompounds containing metals not covered by subclasses c01d or c01f6%
C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds6%
C09KMaterials for miscellaneous applications, not provided for elsewhere6%
C12PFermentation or enzyme-using processes to synthesise a desired chemical compound or composition or to separate optical isomers from a racemic mixture6%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%
Y10TTechnical subjects covered by former us classification6%
PatentTitleYear
6,207,022'Purification of crude (meth) acrylic acid'20015,945,560'Continuous preparation of alkyl esters of (meth) acrylic acid'19995,900,125'Continuous preparation of alkyl esters of (meth)acrylic acid and apparatus for this purpose'19995,883,288'Continuous preparation of alkyl esters of (meth)acrylic acid'19995,811,574'Continuous preparation of alkyl esters of (meth)acrylic acid and apparatus for this purpose'19985,763,643'Preparation of alkyl esters of (meth)acrylic acid'19985,734,074'Continuous preparation of alkyl esters of (meth) acrylic acid'19985,583,086'Cesium containing multimetal oxide catalyst compositions for the preparation of methacrolein by gas-phase-catalytic oxidation'19965,453,365'Preparation of lactates'19955,356,460'Removal of methacrolein from a gaseous mixture'19945,259,147'Granular abrasive material'1993Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1993Patents assigned to VER SCHMIRGEL & MASCHF (1)· patent assignee history
1993Based in Wedemark, DE· patent location history
1994–2001Patents assigned to BASF AG (10)· patent assignee history
1994–2001Based in Waldsee, DE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BASF AG | 10 | 1994–2001 |
| VER SCHMIRGEL & MASCHF | 1 | 1993 |
Locations
| Location | Patents | Span |
|---|---|---|
| Waldsee, DE | 10 | 1994–2001 |
| Wedemark, DE | 1 | 1993 |