Inventor · Loganville, GA, US

David F. Townsend

22Patents
9h-index
25Co-inventors
75Inventor score

Filing activity: Nov 10, 1988 → Dec 4, 2017

Most-cited inventions

PatentTitleAreaCited byStatus
US6387487B1 Dual cure, low-solvent silicone pressure sensitive adhesives Emerging Cross-Sectional Technologies 33 Expired
US7897013B2 Blends of glyoxalated polyacrylamides and paper strengthening agents Textiles; Paper 32 Active
US4861376A High-solids alkyl ketene dimer dispersion Chemistry; Metallurgy 31 Expired
US7488403B2 Blends of glyoxalated polyacrylamides and paper strengthening agents Textiles; Paper 26 Expired
US7119148B2 Glyoxylated polyacrylamide composition strengthening agent Chemistry; Metallurgy 16 Expired
US7034087B2 Aldehyde scavengers for preparing temporary wet strength resins with longer shelf life Chemistry; Metallurgy 16 Expired
US7863395B2 Polyacrylamide-based strengthening agent Chemistry; Metallurgy 15 Active
US7589153B2 Glyoxalated inter-copolymers with high and adjustable charge density Textiles; Paper 9 Active
US8999110B2 Blends of polymers as wet strengthening agents for paper Chemistry; Metallurgy 9 Active
US8246781B2 Thermosetting creping adhesive with reactive modifiers Chemistry; Metallurgy 7 Active
US9353483B2 Paper products containing a polymeric wet strengthening agent Chemistry; Metallurgy 6 Active
US9404221B2 Compositions that include hydrophobizing agents and stabilizers and methods for making and using same Chemistry; Metallurgy 6 Active
US6784253B2 Enhanced polymerization process Chemistry; Metallurgy 4 Expired
US9506196B2 Blends of polymers as wet strengthening agents for paper Chemistry; Metallurgy 3 Active
US9834890B2 Blends of polymers as wet strengthening agents for paper Chemistry; Metallurgy 2 Active
US10301777B2 Wet strengthened fiber products, wet strengthening resins, and methods for making and using same Textiles; Paper 1 Active
US9611590B2 Creping adhesives and methods for making and using same Chemistry; Metallurgy 1 Active
US9243365B2 Release aids with adjustable cloud points for creping processes Performing Operations; Transporting 0 Active
US9180644B2 Additives with cloud points to improve efficiency of release agents Textiles; Paper 0 Active
US9695552B2 Wet strengthened fiber products, wet strengthening resins, and methods for making and using same Textiles; Paper 0 Active
US10144818B2 Resin compositions and methods for making and using same Chemistry; Metallurgy 0 Active
US10633798B2 Blends of polymers as wet strengthening agents for paper Chemistry; Metallurgy 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.