Inventor

Kenneth M. Otteson

Inventor

Redwood City, CA, US

Overview

9→

Patents

1977–1986

Patent span

Chemistry

Primary field (CPC C)

Patents· 9 as inventor

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

A23Lprimary

A23LFoods, foodstuffs or non-alcoholic beverages, not otherwise provided for23%

C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments19%

C07CAcyclic or carbocyclic compounds12%

C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds12%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests12%

A61KPreparations for medical, dental or toiletry purposes8%

A23GCocoa4%

A61QSpecific use of cosmetics or similar toiletry preparations4%

C07DHeterocyclic compounds4%

C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium4%

PatentTitleYear

4,578,515'Preparing N-vinylformamide'1986 4,490,557'Ethylidene bisformamide, its preparation and use in preparing poly(vinylamine) and salts thereof'1984 4,388,462'Trialkylsilyl-6-aminonicotinamides'1983 4,250,327'Polymeric yellow colorant'1981 4,233,328'Edible materials colored with polymeric yellow colorant'1980 4,178,422'Ethylsulfonate-alkylamine copolymers as colorant backbones'1979 4,107,336'Edibles containing colorants having ethylsulfonate-alkylamine backbones'1978 4,096,134'Ethylsulfonate-alkylamine copolymers as colorant backbones'1978 4,013,801'Edibles sweetened with flavanones'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–1984Patents assigned to DYNAPOL CORP (7)· patent assignee history

1977–1978Based in Menlo Park, CA, US· patent location history

1978–1981Based in San Bruno, CA, US· patent location history

1979Based in San Carlos, CA, US· patent location history

1983Patents assigned to INT PLANT RESEARCH INST INC (1)· patent assignee history

1983–1986Based in Redwood City, CA, US· patent location history

1986Patents assigned to AIR PROD & CHEM (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
DYNAPOL CORP	7	1977–1984
AIR PROD & CHEM	1	1986
INT PLANT RESEARCH INST INC	1	1983

Locations

Location	Patents	Span
Redwood City, California, US	3	1983–1986
San Bruno, California, US	3	1978–1981
Menlo Park, California, US	2	1977–1978
San Carlos, California, US	1	1979