PlainPatent

CPC technology class · C08

C08G - Macromolecular Compounds Obtained Otherwise THAN BY React…

Macromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds. 29,133 US utility patents granted 2015–2025, with the leading assignees and year-by-year filing trajectory.

29,133
US patents granted
C08
Parent CPC class
20
Active assignees
+9%
5-yr velocity

The verdict

Macromolecular Compounds Obtained Otherwise THAN BY React… ranks #69 of 670 CPC technology areas - 29,133 US patents granted since 2015, with filing up 9% over five years.

#69
of 670 CPC technology areas
29,133
US patents granted, 2015–2025
Dow Global
leading assignee (661)
+9%
filing velocity, last 5 yrs
Top assignee: DOW Global Technologies Llc (661 patents)

CPC subclass C08G - MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS - covers 29,133 US utility patents granted between 2015 and 2025 according to USPTO PatentsView records, within the broader CPC class C08 (ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON). See our CPC classification guide for how the system works.

The competitive landscape in C08G is shaped by 20 distinct companies actively filing in this space. DOW Global Technologies Llc leads with 661 patents, followed by BASF SE at 646 grants and Shin-etsu Chemical Co., Ltd. at 607.

Filing activity in C08G is up 9% over the past five years versus 2015-2019, a relatively steady filing pace. All counts come directly from USPTO PatentsView and reflect US granted utility patents only.

Is C08G innovation accelerating?

US utility-patent grants per year in C08G, 2015–2025 - recent five years are up 9% versus 2015–2019.

1,5002,0002,5003,000 20152016201720182019202020212022202320242025 1,719

Who leads C08G?

The 12 most active assignees in MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS - wider bars mean more grants

patents

What this shows Dow Global is the most active filer in C08G, holding 661 of the 29,133 patents in this class. Concentration at the top signals how contestable this technology area is for new entrants.

Source USPTO PatentsView, granted utility patents As of 2015–2025 grant years
View data table
Top patent holders in CPC subclass C08G
Rank Company Patents in C08G
#1 DOW Global Technologies Llc 661
#2 BASF SE 646
#3 Shin-etsu Chemical Co., Ltd. 607
#4 LG CHEM, Ltd. 597
#5 3M Innovative Properties Company 366
#6 Mitsubishi Gas Chemical Company, Inc. 364
#7 Covestro Deutschland Ag 326
#8 Sabic Global Technologies B.v. 301
#9 Dow Silicones Corporation 295
#10 Toray Industries, Inc. 271
#11 Sumitomo Chemical Company, Limited 222
#12 SIKA Technology Ag 217
#13 Henkel Ag & Co. Kgaa 208
#14 PPG Industries Ohio, Inc. 208
#15 Evonik Degussa Gmbh 191
#16 Mitsubishi Chemical Corporation 180
#17 Mitsui Chemicals, Inc. 178
#18 Nissan Chemical Industries, Ltd. 173
#19 DIC Corporation 167
#20 Arkema France 162

About This Class

CPC subclass C08G belongs to class C08.

29,133 patents were granted in this class between 2015 and 2025.

20 companies actively patent in this space.

Classification System

Cooperative Patent Classification (CPC) is a hierarchical patent classification system used by the USPTO and EPO.

← All Technology Classes Technology Rankings →

Footprint here vs. claim strategy

Each dot is a leading C08G assignee, placed by how many patents it holds in this class (horizontal) against its company-wide average claims per patent (vertical) - a read on whether the class is led by broad-but-shallow filers or focused deep-claim players.

Top 14 C08G assignees by class footprint. Bubble size = patents in C08G. Source: USPTO PatentsView (claim depth is company-wide across all classes).

Top 14 C08G assignees by class footprint. Bubble size = patents in C08G. Source: USPTO PatentsView (claim depth is company-wide across all classes). Scatter plot of 14 data points (bubble-sized by third dimension). 8101214161820 100200300400500600700 Patents in C08G Avg claims / patent (company-wide) Dow GlobalBasf SeShin-etsu ChemicalLg Chem3m Innovative Propert…Mitsubishi Gas Chemic…Covestro DeutschlandSabic Global B VDow SiliconesToray IndustriesSumitomo ChemicalSika TechnologyHenkel & KgaaPpg Industries Ohio
Top 14 C08G assignees by class footprint. Bubble size = patents in C08G. Source: USPTO PatentsView (claim depth is company-wide across all classes).

Frequently Asked Questions

What is CPC class C08G?
CPC subclass C08G covers MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS. It belongs to CPC class C08 (ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON), with 29,133 US utility patents granted since 2015.
How many patents have been filed in C08G?
29,133 US utility patents were granted in CPC subclass C08G between 2015 and 2025, based on USPTO PatentsView data.
Which company holds the most patents in C08G?
DOW Global Technologies Llc leads C08G with 661 patents, making it the most active assignee in this technology area.
How is patent data for C08G collected?
Patent data comes from USPTO PatentsView, a public research dataset maintained by the United States Patent and Trademark Office. It covers all US granted utility patents and assigns CPC codes based on the technology described in each patent.
What is the difference between CPC class and subclass?
A CPC class (e.g., C08) is a broad technology category. Subclasses like C08G provide finer granularity within that category. PlainPatent organizes data at the subclass level (4-character codes) for the most useful view of technology domains.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from USPTO PatentsView - official U.S. government patent data. See our methodology for computation details. Retrieved and formatted by PlainPatent Editorial

Every figure on PlainPatent is rendered directly from USPTO source data, no number is typed in by an editor. This page draws directly on USPTO source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.