Inventor

Robert M. Leach

Inventor
Grand Island, NY, US

Overview

25→
Patents
1976–2018
Patent span
Performing operations
Primary field (CPC B)

Patents· 25 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

B27Kprimary
B27KProcesses, apparatus or selection of substances for impregnating, staining, dyeing, bleaching of wood or similar materials, or treating of wood or similar materials with permeant liquids, not otherwise provided for27%
A01NPreservation of bodies of humans or animals or plants or parts thereof21%
Y10TTechnical subjects covered by former us classification19%
C09DCoating compositions, e.g. paints, varnishes or lacquers14%
B01DSeparation7%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients3%
C08LCompositions of macromolecular compounds3%
C01GCompounds containing metals not covered by subclasses c01d or c01f1%
C09KMaterials for miscellaneous applications, not provided for elsewhere1%
Y02PClimate change mitigation technologies in the production or processing of goods1%
PatentTitleYear
9,937,634Compositions and methods for treating cellulose-based materials with micronized additives20189,775,350'Micronized wood preservative formulations in organic carriers'20179,266,251'Compositions and methods for treating cellulose-based materials with micronized additives'20169,079,328'Micronized wood preservative formulations'20158,974,854'Compositions and methods for treating cellulose-based materials with micronized additives'20158,778,407'Micronized wood preservative formulations'20148,747,909'Micronized wood preservative formulations'20148,747,908'Micronized wood preservative formulations'20148,637,089'Micronized wood preservative formulations'20148,603,576'Compositions and methods for treating cellulose based materials with micronized additives'20138,460,759'Micronized wood preservative formulations'20138,168,304'Micronized wood preservative formulations comprising boron compounds'20127,674,481'Micronized wood preservative formulations'20107,001,452'Polymeric wood preservative compositions'20066,843,837'Polymeric wood preservative compositions'20055,009,964'Composition and process for imparting fire retardant properties and improved thermal stability to cellulosic materials'19914,752,297'Process for coloring wood with iron salt in water'19884,622,248'Preservative composition for wood'19864,313,976'Composition and process for coloring and preserving wood'19824,145,309'Defoamer for high strength acid media'19794,145,310'Defoamer for high strength acid media'19794,065,404'Tall oil defoamer for high strength acid media'19774,065,402'Tall oil defoamer for high strength acid media'19774,065,403'Tall oil defoamer having a nonionic additive defoamer for high strength acid media'19773,954,953'Energy conserving process for manufacturing ferric sulfate'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1979Patents assigned to CITIES SERVICE CO (6)· patent assignee history
1976Based in Hightstown, NJ, US· patent location history
1977–1979Based in Cranbury, NJ, US· patent location history
1982–2018Based in Grand Island, NY, US· patent location history
2005–2014Patents assigned to OSMOSE INC (10)· patent assignee history
2012–2017Patents assigned to LEACH ROBERT M (8)· patent assignee history
2012–2017Patents assigned to ZHANG JUN (8)· patent assignee history
2015–2018Patents assigned to KOPPERS PERFORMANCE CHEMICALS INC (5)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
OSMOSE INC102005–2014
LEACH ROBERT Mself82012–2017
ZHANG JUN82012–2017
CITIES SERVICE CO61976–1979
KOPPERS PERFORMANCE CHEMICALS INC52015–2018
Locations
LocationPatentsSpan
Grand Island, New York, US191982–2018
Cranbury, New Jersey, US51977–1979
Hightstown, New Jersey, US11976