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Top 100 Key Players companies in Polystyrene
by Most Patent Filings in the United States in 2020

The Polystyrene top 100 is Discovery PatSnap’ annual ranking of the top 100 Most Patent Filings Polystyrene Key Players in the United States. Discovery has identified the top key players, startups & unicorns, fast-growings, news entrants in 2020, ranking from differnt perspectives, including patent filing intensity, academic research capability, news media heat. The company list is generated from various data types.
Polystyrene (PS) /ˌpɒliˈstaɪriːn/ is a synthetic aromatic hydrocarbon polymer made from the monomer styrene. Polystyrene can be solid or foamed. General-purpose polystyrene is clear, hard, and rather brittle. It is an inexpensive resin per unit weight. It is a rather poor barrier to oxygen and water vapour and has a relatively low melting point. Polystyrene is one of the most widely used plastics, the scale of its production being several million tonnes per year. Polystyrene can be naturally transparent, but can be coloured with colourants. Uses include protective packaging (such as packing peanuts and CD and DVD cases), containers, lids, bottles, trays, tumblers, disposable cutlery and in the making of models.
#
Company Name
Region
Tech Topics
Total
1
The Dow Chemical Co.
Coating,Agriculture,Chemical engineering,
...[+2]
Patent: 906
2
General Electric Co.
Energy management,Turbine,Electronics,
...[+2]
Patent: 745
3
E.I. du Pont de Nemours & Co.
Agriculture,Materials science,Electronics,
...[+2]
Patent: 606
4
Total Petrochemicals & Refining USA, Inc.
Polyethylene,Chemical engineering,Polystyrene,
...[+2]
Patent: 323
5
3M Co.
Adhesive,Electronics,Writing paper,
...[+2]
Patent: 285
6
Eastman Kodak Co.
3D printing,Photography,Digital media,
...[+2]
Patent: 246
7
Albemarle Corp.
Bromine,Chemical engineering,Construction engineering,
...[+2]
Patent: 188
8
Owens Corning Intellectual Capital LLC
Intellectual capital,Chemical engineering
Patent: 179
9
Clarient, Inc.
Health care,Companion diagnostic,Standard of care,
...[+2]
Patent: 151
10
Monsanto Technology LLC
Patent: 149
11
Xerox Holdings Corp.
Computer hardware,Software,Digital document,
...[+2]
Patent: 148
12
Xerox Corp.
Computer hardware,Electronics,Product group,
...[+2]
Patent: 148
13
Exxon Mobil Corp.
Petroleum,Petroleum industry,Chemical engineering,
...[+2]
Patent: 147
14
Mobil Corp.
Petroleum industry,Petroleum,Natural gas
Patent: 147
15
Owens-Illinois, Inc.
Glass container,Glazing,Food processing,
...[+2]
Patent: 142
16
Union Carbide Corp.
Synthetic rubber,Carbide,Natural rubber,
...[+2]
Patent: 141
17
GE Plastics
Chemical engineering,Synthetic resin,Telecommunications,
...[+2]
Patent: 133
18
American Can Co.
Tin can,Packaging engineering,Microservices,
...[+1]
Patent: 133
19
W.R. Grace & Co.
Coating,Computer hardware,Petrochemical,
...[+2]
Patent: 119
20
Procter & Gamble Co.
Toothpaste,Hair conditioner,SOAP,
...[+2]
Patent: 116
21
Goodyear Tire & Rubber Co.
Tire manufacturing,Automotive engineering,Social network,
...[+2]
Patent: 116
22
Cryovac LLC
Food packaging,Food processing,Packaging and labeling,
...[+2]
Patent: 116
23
3M Innovative Properties Co.
Intellectual property,Product design
Patent: 109
24
Rohm & Haas Co.
Adhesive,Agriculture,Coating,
...[+2]
Patent: 102
25
NOVA Chemicals, Inc.
Polyolefin,Polystyrene,Chemical engineering
Patent: 98
26
Dow Corning Wright
Patent: 98
27
Western Electric Co., Inc.
Telecommunications
Patent: 87
28
International Business Machines Corp.
Software,Computer hardware,Enterprise software,
...[+2]
Patent: 82
29
Fujitsu Microelectronics America, Inc.
Semiconductor,Microelectronics,Electronic component,
...[+2]
Patent: 82
30
BASF Corp.
Nutrition,Chemical engineering,Aerospace,
...[+2]
Patent: 80
31
Phillips Petroleum Co.
Solar energy,Public transport
Patent: 74
32
Kraton Polymers U.S. LLC
Adhesive,Chemical engineering,Elastomer,
...[+2]
Patent: 71
33
Hercules Corp.
Laundry,Smart card
Patent: 69
34
Hercules Poly, Inc.
Health service provider,Food industry
Patent: 69
35
Eastman Chemical Co.
Chemical engineering,Materials science,Health care,
...[+2]
Patent: 65
36
E Khashoggi Industries LLC
Cement,Construction engineering,Materials science,
...[+2]
Patent: 65
37
Rhone Poulenc AG Co.
Patent: 65
38
Shell Oil Co.
Petrochemical,Nanomaterials,Chemical engineering,
...[+2]
Patent: 64
39
Honeywell International, Inc.
Aerospace,Electronics,Market research,
...[+2]
Patent: 62
40
Exxon Research & Engineering Co.
Patent: 61
41
Corning, Inc.
Telecommunications,Computer hardware,Electronics,
...[+2]
Patent: 59
42
PPG Industries, Inc.
Coating,Chemical engineering,Industrial engineering,
...[+2]
Patent: 57
43
Kimberly-Clark Corp.
Synthetic fiber,Paperboard,Fast-moving consumer goods,
...[+2]
Patent: 57
44
Illinois Tool Works, Inc.
Adhesive,Consumables,Industrial engineering,
...[+2]
Patent: 56
45
Standard Oil Co.
Natural gas,Petroleum industry,Hydrocarbon,
...[+2]
Patent: 56
46
Johnson & Johnson Vision Care, Inc.
Medical equipment,Health care,Optometry,
...[+2]
Patent: 55
47
Great Lakes Chemical Corp.
Chemical engineering,Hydrocarbon,Natural gas,
...[+2]
Patent: 45
48
Miles, Inc.
Mobile app,Chemical engineering
Patent: 43
49
International Standard Electric Corp.
Patent: 43
50
Celanese Corp.
Polymer,Synthetic rubber,Chemical engineering,
...[+2]
Patent: 40
51
Robert Bosch Corp.
Shopping mall,Truck
Patent: 40
52
General Motors Co.
Sport utility vehicle,Public transport,Enterprise software,
...[+2]
Patent: 39
53
Sto Corp.
Lacquer,Real estate development,Vitreous enamel,
...[+2]
Patent: 39
54
ARCO Chemical Technology, Inc.
Organic chemicals,Chemical engineering
Patent: 39
55
Baxter International, Inc.
Clinical trial,Drug,Hemodialysis,
...[+2]
Patent: 38
56
Firestone Tire & Rubber Co.
Public transport,Combine harvester,Sealant,
...[+2]
Patent: 38
57
The Lubrizol Corp.
Chemical engineering,Medical equipment,Health care,
...[+2]
Patent: 37
58
Exxon Chemical Co.
Oil and gas production,Chemical engineering
Patent: 37
59
Avery Dennison Corp.
Adhesive,Radio-frequency identification,Synthetic rubber,
...[+2]
Patent: 36
60
International Paper Co.
Cellulose,Sales management,Paper mill,
...[+2]
Patent: 35
61
ExxonMobil Chemical Patents, Inc.
Patent: 35
62
Merck & Co., Inc.
Health care,Biopharmaceutical,Drug,
...[+2]
Patent: 33
63
PPG Industries Ohio, Inc.
Coating,Industrial engineering,Metal fiber,
...[+2]
Patent: 33
64
Pactiv LLC
Food packaging,Food processing,Food service,
...[+2]
Patent: 32
65
National Distillers & Chemical Corp.
Chemical engineering
Patent: 31
66
Armstrong World Industries, Inc.
Building material,Pacific Rim,Acoustics,
...[+2]
Patent: 29
67
Mead Corp.
Paperboard,Wood processing
Patent: 28
68
Chevron Phillips Chemical Co. LLC
Polystyrene,Petrochemical,Polyolefin,
...[+2]
Patent: 28
69
Chevron Phillips Chemical Co. LP
Petrochemical,Chemical engineering,Polyethylene,
...[+2]
Patent: 28
70
Cosden Technology, Inc.
Patent: 26
71
BSH Home Appliances Corp.
Washer,Electronics
Patent: 26
72
Olin Corp.
Epoxy,Chemical engineering,Ammunition,
...[+2]
Patent: 25
73
Gizmo Concepts, Inc.
Patent: 25
74
NCR Corp.
Software,Peripheral,Self-service,
...[+2]
Patent: 24
75
telent Ltd.
Telecommunications,Operational system,Internet of Things,
...[+2]
Patent: 24
76
Pennwalt Corp.
Computer hardware,Electronics,Guidance system
Patent: 24
77
Rohm & Haas Electronic Materials LLC
Semiconductor,Lithography,Computer hardware,
...[+2]
Patent: 24
78
BorgWarner, Inc.
Electric vehicle,Automotive engineering,Gasoline,
...[+2]
Patent: 23
79
Crown Zellerbach Corp.
Forestry,Paper mill
Patent: 23
80
A.B. Dick Co.
Graphic arts,Offset printing,E-commerce
Patent: 23
81
Brunswick Corp.
Lifestyle business,Physical fitness,Industrial engineering,
...[+2]
Patent: 22
82
Goodrich Corp.
Aerospace,Sales management,Industrial engineering,
...[+2]
Patent: 22
83
Ethyl Corp.
Industrial engineering,Gasoline,Industrial gas,
...[+2]
Patent: 22
84
Polaroid Corp.
Digital imaging,Electronics,Laundry,
...[+2]
Patent: 22
85
United States Gypsum Co.
Gypsum,Building material,Construction engineering,
...[+2]
Patent: 22
86
Leesona Corp.
Fiber,Automation,Manufacturing engineering,
...[+2]
Patent: 22
87
Kenrich Petrochemicals, Inc.
Antistatic agent,Polymer,Chemical engineering,
...[+2]
Patent: 22
88
Genzyme Corp.
Medicine,Pharmacy and Therapeutics,Multiple sclerosis,
...[+2]
Patent: 21
89
Halliburton Energy Services, Inc.
Natural gas,Submersible pump,Centrifugal pump,
...[+2]
Patent: 21
90
Troy Corp.
Disinfectant,Chemical engineering,Preservative,
...[+2]
Patent: 21
91
Borg-Warner Chemicals, Inc.
Patent: 21
92
Pfizer Inc.
Health care,Clinical trial,Drug,
...[+2]
Patent: 20
93
M&T Chemicals, Inc.
Patent: 20
94
Ford Motor Co.
Truck,Public transport,Automotive engineering,
...[+2]
Patent: 19
95
Colgate-Palmolive Co.
Toothpaste,Dental floss,Fast-moving consumer goods,
...[+2]
Patent: 19
96
Waddington North America, Inc.
Polystyrene,Food processing,Cutlery,
...[+2]
Patent: 19
97
Dennison Manufacturing Co.
Forestry,Paper mill
Patent: 19
98
Velsicol Chemical Corp.
Chemical engineering,Benzoic acid,Hexachlorocyclopentadiene,
...[+2]
Patent: 19
99
Wilson Wolf Manufacturing Corp.
Cell culture,Document management system,Mammalian cell,
...[+2]
Patent: 19
100
Texaco Development Corp.
Patent: 19
Page generation time: Jul 20 2025