Inventor
Volker Schliephake
Inventor
Schifferstadt, DE
Overview
Patents· 42 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C07Cprimary
C07CAcyclic or carbocyclic compounds47%
B01DSeparation11%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry11%
C07BGeneral methods of organic chemistry5%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds5%
B08BCleaning in general4%
C09KMaterials for miscellaneous applications, not provided for elsewhere4%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests4%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients1%
C09DCoating compositions, e.g. paints, varnishes or lacquers1%
PatentTitleYear
9,776,940'Process for production of acrylic acid'20179,422,218'Process for recharging the reaction tubes of a tube bundle reactor with a new fixed catalyst bed'20169,388,118'Continuous process for preparing (meth)acrylates of C10-alcohol mixtures'20169,212,122'Process for inhibiting unwanted free-radical polymerization of acrylic acid present in a liquid phase P'20159,206,109'Method of stabilizing polymerizable compounds'20159,126,171'Process for recharging the reaction tubes of a tube bundle reactor with a new fixed catalyst bed'20159,096,513'Process for inhibiting unwanted free-radical polymerization of acrylic acid present in a liquid phase P'20158,829,134'Process for transporting in the tank of a tank truck or tanker ship a liquid monomer phase withdrawn from a storage vessel'20148,491,758'Process for inhibiting polymerization of (meth)acrylic acid and/or (meth)acrylic esters'20138,299,299'Process for separating acrylic acid present as a main constituent and glyoxal present as a by-product in a product gas mixture of a partial heterogeneously catalyzed gas phase oxidation of a C3 precursor compound of acrylic acid'20128,263,802'Process for redissociating Michael adducts which are present in a liquid F and have been formed in the preparation of acrylic acid or esters thereof'20128,217,198'Process for purifying removal of a chemical target compound from a suspension of crystals thereof in mother liquor'20127,893,178'Process for storing a monomer phase which is liquid under the conditions of storage'20117,731,916'Method of charging catalyst tubes of a bundle of catalyst tubes in a structured fashion'20107,732,624'Process for operating a continuous removal of a target product X in the form of fine crystals'20107,700,804'Process for transferring heat to a liquid mixture comprising at least one (meth)acrylic monomer'20107,566,804'Process for preparing acrylic acid'20097,560,590'Rectificative separation of an acrylic acid-containing liquid'20097,520,964'Method for the rectifying separation of fluids containing (meth)acryl monomers'20097,347,413'Tray column and method for mass transfer in a tray column'20087,331,354'Cleaning of tray columns which have been used for rectificatively treating liquids comprising (meth)acrylic acid and/or esters thereof'20087,196,217'Operation of a continuous heterogeneously catalyzed gas phase partial oxidation of at least one organic compound'20077,119,224'Preparation of (METH) acrylic acid and (METH) acrylic esters'20067,109,374'Method for the continuous extraction of (meth)acrylic acid'20067,074,955'Safe operation of a continuous heterogeneously catalyzed gas-phase partial oxidation of at least one organic compound'20066,958,414'Preparation of at least one organic compound by heterogeneously catalyzed partial gas-phase oxidation'20056,921,837'Process for the purification and preparation of acrylic acid or methacrylic acid'20056,726,854'Inhibitor composition for stabilizing substances capable of free radical polymerization'20046,700,016'Method of purifying and producing acrylic acid or methacrylic acid'20046,657,088'Temperature measurements in tubular reactors during treatment of fluid masses'20036,646,161'Method for the fractional condensation of a hot gas mixture containing acrylic acid or methacrylic acid and having a high proportion of non-condensable constituents'20036,596,901'Method for purifying acrylic acid and methacrylic acid'20036,518,453'Method for stabilizing chemical compounds containing at least one ethylenically unsaturated bond in order to prevent undesirable radical polymerization'20036,461,440'Apparatus having a metallic surface protected from undesired deposition of polymer'20026,458,956'Inhibitor composition for stabilizing substances capable of free radical polymerization'20026,448,439'Method for producing acrylic acid and methacrylic acid'20026,433,222'Method for producing acrylic acid'20026,413,379'Continuous recovery of (meth)acrylic acid'20026,414,190'Purification of acrylic acid by crystallization by means of vacuum evaporation'20026,348,638'Method for removing by-products obtained when producing acrylic acid or methacrylic acids'20026,333,011'Apparatus for measuring temperatures in tubular reactors'20015,728,272'Separation by rectification of unsaturated carboxylic acids from solvents'1998Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1998–2010Patents assigned to BASF AG (27)· patent assignee history
1998–2017Based in Schifferstadt, DE· patent location history
2009Based in Shifferstadt, DE· patent location history
2010–2017Patents assigned to BASF SE (13)· patent assignee history
2012–2015Patents assigned to SCHLIEPHAKE VOLKER (7)· patent assignee history
2012–2015Patents assigned to MUELLER-ENGEL KLAUS JOACHIM (5)· patent assignee history
2012–2015Patents assigned to BLUM TILL (4)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| BASF AG | 27 | 1998–2010 |
| BASF SE | 13 | 2010–2017 |
| SCHLIEPHAKE VOLKERself | 7 | 2012–2015 |
| MUELLER-ENGEL KLAUS JOACHIM | 5 | 2012–2015 |
| BLUM TILL | 4 | 2012–2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Schifferstadt, DE | 41 | 1998–2017 |
| Shifferstadt, DE | 1 | 2009 |