LexDanaLexDanabeta
Inventor

Benjamin S. Ehrlich

Inventor
Cheshire, CT, US

Overview

9→
Patents
1978–1997
Patent span
Chemistry
Primary field (CPC C)

Patents· 9 as inventor

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

C08Gprimary
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds53%
C08LCompositions of macromolecular compounds24%
C08JWorking-up6%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients6%
Y02WClimate change mitigation technologies related to wastewater treatment or waste management6%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%
PatentTitleYear
5,648,412'Blow-moldable rigid thermoplastic polyurethane resins'19975,491,194'Thermally processable blends of high modulus polyurethanes and mass polymerized ABS resins'19965,089,571'Regenerated, high molecular weight, thermoplastic resins and process for regenerating thermoplastic resins'19924,822,827'Thermoplastic polyurethanes with high glass transition temperatures'19894,707,525'Oxymethylene polymer molding compositions having enhanced impact resistance and article molded therefrom'19874,379,904'Novel polyurethane product'19834,169,196'Process for improving thermoplastic polyurethanes'19794,098,772'Thermoplastic polyurethanes prepared with small amounts of monohydric alcohols'19784,080,314'Polyurethane elastomers based on alcohol-modified diisocyanate'1978

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978–1983Patents assigned to UPJOHN CO (4)· patent assignee history
1978–1989Based in Cheshire, CT, US· patent location history
1987Patents assigned to CELANESE CORP (1)· patent assignee history
1989–1997Patents assigned to DOW CHEMICAL CO (4)· patent assignee history
1992–1997Based in League City, TX, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DOW CHEMICAL CO41989–1997
UPJOHN CO41978–1983
CELANESE CORP11987
Locations
LocationPatentsSpan
Cheshire, CT, US61978–1989
League City, Texas, US31992–1997