Inventor

Robert A. Pyles

Inventor
Bethel Park, PA, US

Overview

39→
Patents
1985–2020
Patent span
Chemistry
Primary field (CPC C)

Patents· 39 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 bonds12%
C08LCompositions of macromolecular compounds10%
D06PDyeing or printing textiles10%
C07CAcyclic or carbocyclic compounds7%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients7%
F41HArmour7%
C08JWorking-up6%
G02BOptical elements, systems or apparatus6%
G11BInformation storage based on relative movement between record carrier and transducer6%
B05DProcesses for applying fluent materials to surfaces, in general4%
PatentTitleYear
10,737,468High security polycarbonate laminate windows with insulated glazing units202010,408,576High-energy impact absorbing polycarbonate mounting method201910,260,842Lightweight blast-mitigating polycarbonate-based laminate system201910,132,597Ballistic-resistant structural insulated panels20189,879,474'Polycarbonate based rapid deployment cover system'20189,568,284'Energy absorber for high performance blast barrier system'20179,417,038'Energy absorber for high-performance blast barrier system'20169,388,324'Process for incorporating an ion-conducting polymer into a polymeric article to achieve anti-static behavior'20168,758,860'Process for incorporating an ion-conducting polymer into a polymeric article to achieve anti-static behavior'20148,206,463'Colored article of manufacture and a process for its preparation'20127,921,680'Apparatus and process for treating an article to impart color and/or enhance the properties of that article'20117,504,054'Method of treating a plastic article'20097,175,675'Method of dyeing a plastic article'20077,094,263'Composition of matter comprising a dye'20066,994,735'Process for tinting plastic articles'20066,949,127'Process for making dyed articles'20056,929,666'Composition comprising a dye'20056,749,646'Dip-dyeable polycarbonate process'20046,733,543'Process for making dyed articles'20046,367,930'Process for preparing a photochromic lens'20026,106,918'Optical quality polycarbonates'20006,103,777'Thermoplastic composition suitable for optical applications having low haze values'20006,065,836'Photochromic ophthalmic lens'20005,998,520'Photochromic compositions having improved fade rate'19995,580,951'Method for preparing aromatic bischloroformate compositions and polycarbonates'19965,464,930'Article for use in optical application formed from linear polycarbonate resins'19955,461,120'Transparent thermoplastic molding compositions'19955,025,056'Thermoplastic compositions having improved melt flow'19915,011,967'Method for preparing aromatic bischloroformate compositions'19914,994,594'Oligomeric carbonate chainstoppers'19914,800,218'Functionalized thermoplastic polymers, blends prepared therefrom, and methods for preparing blends'19894,743,676'Method for preparing polycarbonate of controlled molecular weight from aromatic bischloroformate'19884,737,573'Method for polymerizing aromatic bischloroformate composition to polycarbonate'19884,736,013'Method for the preparation of hydroxy-terminated polycarbonate polymers'19884,732,934'Functionalized thermoplastic polymers, blends prepared therefrom, and methods for preparing blends'19884,686,046'Process for separating cyclic oligomeric dihydric phenol carbonate from aromatic polycarbonate'19874,686,277'Process for separating and polymerizing cyclic oligomeric polycarbonate'19874,663,433'Separation of cyclic oligomeric carbonate from high molecular weight polycarbonate'19874,535,104'Ultraviolet light stabilized copolyestercarbonate'1985

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1985–2000Patents assigned to GEN ELECTRIC (14)· patent assignee history
1985–2000Based in Evansville, IN, US· patent location history
1991–2020Based in Bethel Park, PA, US· patent location history
1995–2002Patents assigned to BAYER AG (5)· patent assignee history
2005–2018Patents assigned to BAYER MATERIALSCIENCE LLC (12)· patent assignee history
2016–2018Patents assigned to COVESTRO LLC (4)· patent assignee history
2018–2020Patents assigned to PLASKOLITE MASSACHUSETTS LLC (4)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
GEN ELECTRIC141985–2000
BAYER MATERIALSCIENCE LLC122005–2018
BAYER AG51995–2002
COVESTRO LLC42016–2018
PLASKOLITE MASSACHUSETTS LLC42018–2020
Locations
LocationPatentsSpan
Bethel Park, Pennsylvania, US261991–2020
Evansville, IN, US131985–2000