View source for Category:Andrew Hejl of Lansdale PA (US)

== Andrew Hejl of Lansdale PA (US) ==

=== Executive Summary ===
Andrew Hejl of Lansdale PA (US) is an inventor who has filed 3 patents. Their primary areas of innovation include PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES (3 patents), MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS (2 patents), COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR  (cosmetics (2 patents), and they have worked with companies such as Rohm and Haas Company (3 patents). Their most frequent collaborators include [[Category:Brian R. Einsla of Collegeville PA (US)|Brian R. Einsla of Collegeville PA (US)]] (3 collaborations), [[Category:Xiangyi Zhang of Phoenixville PA (US)|Xiangyi Zhang of Phoenixville PA (US)]] (2 collaborations), [[Category:John A. Roper, III of Midland MI (US)|John A. Roper, III of Midland MI (US)]] (2 collaborations).

=== Patent Filing Activity ===
[[File:Andrew_Hejl_of_Lansdale_PA_(US)_Monthly_Patent_Applications.png|border|800px]]

=== Technology Areas ===
[[File:Andrew_Hejl_of_Lansdale_PA_(US)_Top_Technology_Areas.png|border|800px]]

==== List of Technology Areas ====
* [[:Category:CPC_D21H19/12|D21H19/12]] (PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES): 3 patents
* [[:Category:CPC_C08F218/08|C08F218/08]] (MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS): 2 patents
* [[:Category:CPC_C09D5/022|C09D5/022]] (COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR  (cosmetics): 2 patents
* [[:Category:CPC_C09D131/04|C09D131/04]] (COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR  (cosmetics): 2 patents
* [[:Category:CPC_C08F2800/20|C08F2800/20]] (MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS): 2 patents
* [[:Category:CPC_D21H23/52|D21H23/52]] (PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES): 1 patents
* [[:Category:CPC_B41M5/3335|B41M5/3335]] (Colour developing components therefor, e.g. acidic compounds): 1 patents
* [[:Category:CPC_B41M5/41|B41M5/41]] (PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING,  (correction of typographical errors): 1 patents
* [[:Category:CPC_B41M5/44|B41M5/44]] (PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING,  (correction of typographical errors): 1 patents
* [[:Category:CPC_D21H19/828|D21H19/828]] (PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES): 1 patents
* [[:Category:CPC_B41M2205/04|B41M2205/04]] (PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING,  (correction of typographical errors): 1 patents
* [[:Category:CPC_D21H19/60|D21H19/60]] (PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES): 1 patents

=== Companies ===
[[File:Andrew_Hejl_of_Lansdale_PA_(US)_Top_Companies.png|border|800px]]

==== List of Companies ====
* Rohm and Haas Company: 3 patents

=== Collaborators ===
* [[:Category:Brian R. Einsla of Collegeville PA (US)|Brian R. Einsla of Collegeville PA (US)]][[Category:Brian R. Einsla of Collegeville PA (US)]] (3 collaborations)
* [[:Category:Xiangyi Zhang of Phoenixville PA (US)|Xiangyi Zhang of Phoenixville PA (US)]][[Category:Xiangyi Zhang of Phoenixville PA (US)]] (2 collaborations)
* [[:Category:John A. Roper, III of Midland MI (US)|John A. Roper, III of Midland MI (US)]][[Category:John A. Roper, III of Midland MI (US)]] (2 collaborations)
* [[:Category:Matthew Carter of Bala Cynwyd PA (US)|Matthew Carter of Bala Cynwyd PA (US)]][[Category:Matthew Carter of Bala Cynwyd PA (US)]] (2 collaborations)
* [[:Category:Ethan C. Glor of Ambler PA (US)|Ethan C. Glor of Ambler PA (US)]][[Category:Ethan C. Glor of Ambler PA (US)]] (1 collaborations)
* [[:Category:Junsi Gu of Malvern PA (US)|Junsi Gu of Malvern PA (US)]][[Category:Junsi Gu of Malvern PA (US)]] (1 collaborations)

[[Category:Andrew Hejl of Lansdale PA (US)]]
[[Category:Inventors]]
[[Category:Inventors filing patents with Rohm and Haas Company]]