Inventor

LONGHINI DAVID A

US5 patents

⚠️ This page may combine multiple inventors who share the name “LONGHINI DAVID A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

PPG INDUSTRIES INC

4 patents

US4681750AJul 21, 1987

Preparation of amorphous, precipitated silica and siliceous filler-reinforced microporous polymeric separator

PPG INDUSTRIES INC133 citations95

US5660684AAug 26, 1997

Deinking electrostatic waste paper

PPG INDUSTRIES INC22 citations90

US5718801AFeb 17, 1998

Method for controlling froth and reducing stickies in the flotation process for deinking waste paper using a froth moderating agent

PPG INDUSTRIES INC15 citations72

US4590318AMay 20, 1986

Method for producing vinyl chloride

PPG INDUSTRIES INC17 citations71

BASF CORP

1 patent

US6013157AJan 11, 2000

Froth moderating agent for controlling froth and reducing stickies in the flotation process for deinking waste paper

BASF CORP33 citations87