Inventor

Frederick Ignatz-Hoover

Inventor

Elyria, OH, US

Overview

1995–2020

Patent span

Chemistry

Primary field (CPC C)

Patents· 17 as inventor

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

C08Kprimary

C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients18%

C08LCompositions of macromolecular compounds17%

B60CVehicle tyres10%

C07CAcyclic or carbocyclic compounds10%

C10LFuels not otherwise provided for10%

C10MLubricating compositions10%

C10NIndexing scheme associated with subclass c10m relating to lubricating compositions10%

C08CTreatment or chemical modification of rubbers5%

C08JWorking-up5%

C01BNon-metallic elements4%

PatentTitleYear

10,611,719Methods of making compounds and mixtures having antidegradant and antifatigue efficacy2020 10,570,218Vulcanizing composition containing cyclododecasulfur and improved cyclododecasulfur compound2020 10,428,009Methods of making compounds and mixtures having antidegradant and antifatigue efficacy2019 10,407,562Compounds with antidegradant and antifatigue efficacy and compositions including said compounds2019 10,287,418Compounds with antidegradant and antifatigue efficacy and compositions including said compounds2019 10,280,281Processes for forming vulcanizable elastomeric formulations and vulcanized elastomeric articles2019 10,260,017Compounds and mixtures with antidegradant and antifatigue efficacy and compositions including said compounds2019 10,167,252Compounds and mixtures with antidegradant and antifatigue efficacy and compositions including such compounds2019 10,160,845Methods of making compounds and mixtures having antidegradant and antifatigue efficacy2018 10,160,718Methods of making compounds having antidegradant and antifatigue efficacy2018 10,011,663Vulcanizing composition containing cyclododecasulfur and improved cyclododecasulfur compound2018 8,207,247'Processes for preparing rubber blend compositions'2012 6,533,859'Surface treated carbon black having improved dispersability in rubber and compositions of rubber therefrom having improved processability, rheological and dynamic mechanical properties'2003 6,207,764'Halogenated elastomer compositions'2001 6,184,276'Quinone diimine as a rubber additive'2001 6,114,469'Rubber compositions containing zinc hexasulfide complexes'2000 5,382,629'Rubber compositions comprising a polymeric amine co-activator'1995

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1995–2001Patents assigned to MONSANTO CO (2)· patent assignee history

1995–2020Based in Elyria, OH, US· patent location history

2000–2012Patents assigned to FLEXSYS AMERICA LP (4)· patent assignee history

2003Patents assigned to COLUMBIAN CHEM (1)· patent assignee history

2012Patents assigned to IGNATZ-HOOVER FREDERICK (1)· patent assignee history

2018–2020Patents assigned to EASTMAN CHEM CO (11)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
EASTMAN CHEM CO	11	2018–2020
FLEXSYS AMERICA LP	4	2000–2012
MONSANTO CO	2	1995–2001
COLUMBIAN CHEM	1	2003
IGNATZ-HOOVER FREDERICKself	1	2012

Locations

Location	Patents	Span
Elyria, OH, US	17	1995–2020