P

Inventor

KOSKAN LARRY P

US32 patents
⚠️ This page may combine multiple inventors who share the name “KOSKAN LARRY P”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

DONLAR CORP

22 patents
US5296578AMar 22, 1994

Production of polysuccinimide and polyaspartic acid from maleic anhydride and ammonia

DONLAR CORP68 citations96
US5219952AJun 15, 1993

Production of high molecular weight polysuccinimide and high molecular weight polyaspartic acid from maleic anhydride and ammonia

DONLAR CORP84 citations96
US5612384AMar 18, 1997

Superabsorbing polymeric networks

DONLAR CORP44 citations95
US5284512AFeb 8, 1994

Polyaspartic acid and its salts for dispersing suspended solids

DONLAR CORP66 citations95
US5221733AJun 22, 1993

Manufacture of polyaspartic acids

DONLAR CORP70 citations95
US5152902AOct 6, 1992

Polyaspartic acid as a calcium carbonate and a calcium phosphate inhibitor

DONLAR CORP77 citations95
US5116513AMay 26, 1992

Polyaspartic acid as a calcium sulfate and a barium sulfate inhibitor

DONLAR CORP64 citations95
US5593947AJan 14, 1997

Method for more efficient uptake of plant growth nutrients

DONLAR CORP63 citations94
US5350735ASep 27, 1994

Composition and method for enhanced fertilizer uptake by plants

DONLAR CORP49 citations94
US5552516ASep 3, 1996

Soluble, crosslinked polyaspartates

DONLAR CORP25 citations92
US5478919ADec 26, 1995

Aspartic acid copolymers and their preparation

DONLAR CORP41 citations92
US5373088ADec 13, 1994

Production of polyaspartic acid from maleic acid and ammonia

DONLAR CORP24 citations92
US5861356AJan 19, 1999

Method and composition for enhanced plant productivity comprising fertilizer and cross-linked polyamino acid

DONLAR CORP39 citations91
US5854177ADec 29, 1998

Method for enhanced hydroponic plant productivity with polymeric acids

DONLAR CORP19 citations91
US5814582ASep 29, 1998

Method for enhanced plant productivity

DONLAR CORP24 citations91
US5783523AJul 21, 1998

Method and composition for enhanced hydroponic plant productivity with polyamino acids

DONLAR CORP21 citations91
US5373086ADec 13, 1994

Polyaspartic acid having more than 50% β form and less that 50% α form

DONLAR CORP27 citations91
US5315010AMay 24, 1994

Polyaspartic acid manufacture

DONLAR CORP24 citations91
US5607623AMar 4, 1997

Inhibition of carbon dioxide corrosion of metals

DONLAR CORP18 citations83
USRE36234EJun 22, 1999

Aspartic acid copolymers and their preparation

DONLAR CORP8 citations73
US5847013ADec 8, 1998

Superabsorbing polymeric networks

DONLAR CORP11 citations73
US5391764AFeb 21, 1995

Polyaspartic acid manufacture

DONLAR CORP14 citations69

GLOBAL GREEN PRODUCTS LLC

4 patents

KOSKAN LARRY P

3 patents

NALCO CHEMICAL CO

3 patents