Inventor

SHIRLEY JR A RAY

US4 patents

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

HARTMANN RICHARD

1 patent

US6576035B2Jun 10, 2003

Stabilized enhanced efficiency controllable release calcium cyanamide compositions

HARTMANN RICHARD41 citations88

SQM NITRATOS S A

1 patent

US5938813AAug 17, 1999

Granular coated particles containing urea and metal nitrate, and process for making the same

SQM NITRATOS S A37 citations80

HARTMANN RICHARD O

1 patent

US7785388B2Aug 31, 2010

Method for producing stabilized nitrogen compositions

HARTMANN RICHARD O13 citations77

BI EN CORP

1 patent

US11407689B2Aug 9, 2022

Black urea enhanced efficiency controllable release fertilizer compositions

BI EN CORP0 citations57