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Inventor

Philip S. Andrews

Inventor
Hamden, CT, US

Overview

4→
Patents
1977–1988
Patent span
Chemistry
Primary field (CPC C)

Patents· 4 as inventor

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

C08Lprimary
C08LCompositions of macromolecular compounds29%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds14%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients14%
C09KMaterials for miscellaneous applications, not provided for elsewhere14%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests14%
Y10TTechnical subjects covered by former us classification14%
PatentTitleYear
4,772,649'Polyesteramide and sufficient carbodiimide to impart improved compression set'19884,722,809'Flame retarded polyamide compositions'19884,612,353'Polyamide/polyetherimide alloys'19864,065,441'Copolyamide from arylene diamine and mixture of alkylene dicarboxylic acids'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977Patents assigned to UPJOHN CO (1)· patent assignee history
1977–1988Based in Hamden, CT, US· patent location history
1986–1988Patents assigned to DOW CHEMICAL CO (3)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DOW CHEMICAL CO31986–1988
UPJOHN CO11977
Locations
LocationPatentsSpan
Hamden, CT, US41977–1988