Inventor
Stephen B. Christensen
Inventor
Inver Grove Heights, MN, US
Overview
Patents· 15 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C11Dprimary
C11DDetergent compositions41%
D06MTreatment, not provided for elsewhere in class d06, of fibres, threads, yarns, fabrics, feathers or fibrous goods made from such materials22%
A23DEdible oils or fats, e.g. margarines, shortenings or cooking oils7%
A23LFoods, foodstuffs or non-alcoholic beverages, not otherwise provided for4%
A61KPreparations for medical, dental or toiletry purposes4%
A61LMethods or apparatus for sterilising materials or objects in general4%
C07CAcyclic or carbocyclic compounds4%
C08BPolysaccharides4%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds4%
C11CFatty acids from fats, oils or waxes4%
PatentTitleYear
10,415,004Solid concentrated fabric softener composition20199,969,957Solid concentrated fabric softener composition20189,670,438'Composition and method for the treatment of sunscreen stains in textiles'20179,388,366'Solid concentrated fabric softener composition'20168,759,272'Treatment of non-trans fats, fatty acids and sunscreen stains with a chelating agent'20148,740,993'Method for reduced encrustation of textiles using a polymer comprising maleic acid, vinyl acetate, and alkyl acrylate'20148,673,838'Solid concentrated fabric softener composition'20148,367,601'Liquid concentrated fabric softener composition'20138,361,950'Treatment of non-trans fats, fatty acids and sunscreen stains with a chelating agent'20138,314,057'Laundry composition for treatment of sunscreen stains based on extended chain nonionic surfactants'20128,232,239'Liquid concentrated fabric softener composition'20125,629,377'Water absorbent resin particles of crosslinked carboxyl containing polymers and method of preparation'19975,194,286'Polybasic acid amides and their use as digestively hydrolyzable oil substitutes'19934,988,807'Removal of undesirable material from water-soluble polysaccharide ethers'19914,980,191'Method of making digestively hydrolyzable low calorie edible oil substitutes'1990Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1990–1997Patents assigned to DOW CHEMICAL CO (4)· patent assignee history
1990–1997Based in Midland, MI, US· patent location history
2012–2019Patents assigned to ECOLAB USA INC (11)· patent assignee history
2012–2014Patents assigned to CHRISTENSEN STEPHEN B (4)· patent assignee history
2012–2014Patents assigned to PHAM JOANNA A (3)· patent assignee history
2012–2013Patents assigned to CARLSON JESSICA (2)· patent assignee history
2012–2018Based in Inver Grove Heights, MN, US· patent location history
2019Based in St. Paul, MN, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ECOLAB USA INC | 11 | 2012–2019 |
| CHRISTENSEN STEPHEN Bself | 4 | 2012–2014 |
| DOW CHEMICAL CO | 4 | 1990–1997 |
| PHAM JOANNA A | 3 | 2012–2014 |
| CARLSON JESSICA | 2 | 2012–2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Inver Grove Heights, Minnesota, US | 10 | 2012–2018 |
| Midland, MI, US | 4 | 1990–1997 |
| St. Paul, Minnesota, US | 1 | 2019 |