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 (3 collaborations), (2 collaborations), (2 collaborations).

Patent Filing Activity

Technology Areas

List of Technology Areas

• D21H19/12 (PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES): 3 patents
• C08F218/08 (MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS): 2 patents
• 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
• 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
• C08F2800/20 (MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS): 2 patents
• D21H23/52 (PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES): 1 patents
• B41M5/3335 (Colour developing components therefor, e.g. acidic compounds): 1 patents
• B41M5/41 (PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING, (correction of typographical errors): 1 patents
• B41M5/44 (PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING, (correction of typographical errors): 1 patents
• D21H19/828 (PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES): 1 patents
• B41M2205/04 (PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING, (correction of typographical errors): 1 patents
• D21H19/60 (PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES): 1 patents

Companies

List of Companies

• Rohm and Haas Company: 3 patents

Collaborators

• Brian R. Einsla of Collegeville PA (US) (3 collaborations)
• Xiangyi Zhang of Phoenixville PA (US) (2 collaborations)
• John A. Roper, III of Midland MI (US) (2 collaborations)
• Matthew Carter of Bala Cynwyd PA (US) (2 collaborations)
• Ethan C. Glor of Ambler PA (US) (1 collaborations)
• Junsi Gu of Malvern PA (US) (1 collaborations)