Inventor

SPARTZ GERALD R

US2 patents

Patents

2 patents

US7244292B2Jul 17, 2007

Electret article having heteroatoms and low fluorosaturation ratio

3M INNOVATIVE PROPERTIES CO58 citations94

US7244291B2Jul 17, 2007

Electret article having high fluorosaturation ratio

3M INNOVATIVE PROPERTIES CO65 citations94